Free Full Length TASC Mathematics Practice Test

Full Length TASC Mathematics Practice Test

The best way to prepare for the TASC math test is by taking a practice test. Not only will this simulate what it would be like on exam day, but this will help you feel more confident and measure your readiness to take the actual exam.

In order to get the most out of this practice test and prepare your mind, body, and spirit for the actual TASC Math test (which is also a realistic resource), we recommend you treat it as if it were an actual one. Clear away any distractions with scratch paper in hand, pencil ready to go, timer ticking down every second as well as calculator on standby. Take this in one sitting so you can quickly assess your score at the end!

Take this practice test to simulate the experience of taking a full-length TASC Math Test Day. After you've finished, use the answer keys to score your tests. Best of luck!

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TASC Mathematics
Practice Test 3

Section 1

 (Calculator)

 

40 questions

Total time for this section: 50 Minutes

 

You may use a calculator on this Section.

1- If 50% of A is 25 of B, then B is what percent of A?
(A) 200%
(B) 250%
(C) 150%
(D) 180%
2- Find the average of the following numbers: 17,13,7,21,22
(A) 17
(B) 16
(C) 22
(D) 25
3- John traveled 180 km in 3 hours and Alice traveled 270 km in 9 hours. What is the ratio of the average speed of John to average speed of Alice? 
(A) 2:1
(B) 2:3
(C) 1:3
(D) 1:5
4- The width of a box is one third of its length. The height of the box is one third of its width. If the length of the box is 36 cm, what is the volume of the box?
(A) 1,728 cm3 
(B) 1,490 cm3 
(C) 1,569 cm3 
(D) 1,289 cm3 
5- When a number is subtracted from 25 and the difference is divided by that number, the result is 4. What is the value of the number?
(A) 4
(B) 10
(C) 8
(D) 5
6- What is the value of 74?
(A) 2,809
(B) 1,979
(C) 2,379
(D) 2,401
7- 27 is What percent of 30?
(A) 90%
(B) 99%
(C) 85%
(D) 78%
8- Right triangle ABC has two legs of lengths 5 cm (AB) and 12 cm (AC). What is the length of the third side (BC)?
(A) 18 cm
(B) 12 cm
(C) 21 cm
(D) 13 cm
9- An angle is equal to one eighth of its supplement. What is the measure of that angle?
(A) 20
(B) 22
(C) 32
(D) 18
10- In five successive hours, a car travels 35 km, 40 km, 45 km, 25 km and 50 km. In the next five hours, it travels with an average speed of 45 km per hour. Find the total distance the car traveled in 10 hours. 
(A) 401
(B) 391
(C) 430
(D) 420
11- A taxi driver earns $12 per 1hour work. If he works 8 hours a day and in 1 hour he uses 2liters petrol with price $1 for 1liter. How much money does he earn in one day?
(A) $75
(B) $80
(C) $86
(D) $92
12- How long does a 380–miles trip take moving at 40 miles per hour (mph)?
(A) 8 hours and 30 minutes
(B) 8 hours and 25 minutes
(C) 10 hours and 25 minutes
(D) 9 hours and 30 minutes
13- A $50 shirt now selling for $25 is discounted by what percent?
(A) 50\%
(B) 29\%
(C) 64\%
(D) 25\%
14- The ratio of boys and girls in a class is 3:8. If there are 55 students in the class, how many more boys should be enrolled to make the ratio 1:1?
(A) 15
(B) 12
(C) 18
(D) 10
15- A rope weighs 700 grams per meter of length. What is the weight in kilograms of 13.2 meters of this rope? (1 kilograms = 1000 grams)
(A) 9.350 kg
(B) 9.240 kg
(C) 10.210 kg
(D) 10.250 kg
16- The average weight of 15 girls in a class is 60 kg and the average weight of 30 boys in the same class is 66 kg. What is the average weight of all the 75 students in that class?
(A) 69 kg
(B) 72 kg
(C) 64 kg
(D) 59 kg
17- Which of the following could be the product of two consecutive prime numbers?
(A) 2
(B) 10
(C) 14
(D) 15
18- The price of a car was $20,000 in 2016, $18,000 in 2018 and $16,200 in 2019. What is the rate of depreciation of the price of car per year?
(A) 10\%
(B) 20\%
(C) 25\%
(D) 15\%
19- Sophia purchased a sofa for $560.50. The sofa is regularly priced at $1,121. What was the percent discount Sophia received on the sofa?
(A) 50\%
(B) 40\%
(C) 60\%
(D) 65\%
20- The price of a sofa is decreased by 15\% to $748. What was its original price?  
(A) $820
(B) $950
(C) $790
(D) $880
21- The score of Emma was one third that of Ava and the score of Mia was twice that of Ava. If the score of Mia was 90, what is the score of Emma?
(A) 12
(B) 18
(C) 15
(D) 25
22- The average of five consecutive numbers is 32. What is the smallest number?
(A) 36
(B) 30
(C) 25
(D) 15
23- The price of a laptop is decreased by 10\% to $378. What is its original price?
(A) $449
(B) $378
(C) $420
(D) $398
24- What is the median of these numbers? 4, 9, 13, 8, 15, 18, 5
(A) 9
(B) 18
(C) 15
(D) 13
25- If 35\% of a class are girls, and 20\% of girls play tennis, what percent of the class play tennis?
(A) 7\%
(B) 13\%
(C) 9\%
(D) 19\%
26- One third of 12 is equal to \frac{2}{3} of what number?
(A) 9
(B) 12
(C) 6
(D) 7
27- How many tiles of 10 cm^2 is needed to cover a floor of dimension 8 cm by 35 cm?
(A) 28
(B) 24
(C) 32
(D) 36
28- Which of the following values for x and y satisfy the following system of equations?
\begin{cases}x \ + \ 2 \ y = 12\\3 \ x \ + \ 5 \ y= 18\end{cases}
(A) x=24, \ y=15
(B) x=24, \ y=- \ 18
(C) x=- \ 24, \ y=18
(D) x=- \ 18, \ y=24
29- A chemical solution contains 5\% alcohol. If there is 30 ml of alcohol, what is the volume of the solution?
(A) 450 ml
(B) 550 ml
(C) 700 ml
(D) 600 ml
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30- The surface area of a cylinder is 150 \ π cm^2. If its height is 10 cm, what is the radius of the cylinder? 
(A) 15 cm
(B) - \ 15 cm
(C) 5 cm
(D) 10 cm
31- In 2000, the average worker's income increased $4,000 per year starting from $21,000 annual salary. Which equation represents income greater than average? (I = income, x = number of years after 2000)
(A) I \ \leq \ 4000 \ x \ - \ 21000
(B) I \ \geq \ - \ 4000 \ x \ + \ 21000
(C) I \ > \ 4000 \ + \ 21000 \ x
(D) I \ > \ 4000 \ x \ + \ 21000
32- A bank is offering 4\% simple interest on a savings account. If you deposit $7,000, how much interest will you earn in three years?
(A) 868
(B) 820
(C) 834
(D) 840
33- A boat sails 40 miles south and then 30 miles east. How far is the boat from its start point?
(A) 50 miles
(B) 36 miles
(C) 49 miles
(D) 60 miles
34- A bag contains 18 balls: two green, five black, eight blue, a brown, a red and one white. If 17 balls are removed from the bag at random, what is the probability that a brown ball has been removed?
(A) \frac{17}{18}
(B) \frac{18}{17}
(C) \frac{1}{17}
(D) \frac{1}{18}
35- The area of a circle is less than 49 \ π. Which of the following can be the circumference of the circle? (Select one or more answer choices)
(A) 12 \ \pi
(B) 15 \ \pi
(C) 18 \ \pi
(D) 20 \ \pi
36- Which of the following lists shows the fractions in order from least to greatest?
\frac{3}{4}, \frac{ 2}{7}, \frac{3}{8}, \frac{ 5}{11}
(A) \frac{2}{7}, \frac{3}{8}, \frac{5}{11}, \frac{3}{4}
(B) \frac{3}{4}, \frac{2}{7}, \frac{5}{11}, \frac{3}{8}
(C) \frac{3}{8}, \frac{2}{7}, \frac{3}{4}, \frac{5}{11}
(D) \frac{5}{11}, \frac{3}{4}, \frac{2}{7}, \frac{3}{8}
37- The marked price of a computer is D dollar. Its price decreased by (20\%\) in January and later increased by 10\% in February. What is the final price of the computer in D dollar?
(A) 0.80 D
(B) 0.88 D
(C) 80 D
(D) 88 D
38- How many possible outfit combinations come from seven shirts, two slacks, and five ties?
(A) 64
(B) 75
(C) 85
(D) 70
39- In the x \ y-plane, the point (5,3) and (6,4) are on line A. Which of the following points could also be on line A? (Select one or more answer choices)
(A) (- \ 1, 2)
(B) (5, 7)
(C) (3, 4)
(D) (- \ 1, - \ 2)
40- If the area of trapezoid is 126 cm, what is the perimeter of the trapezoid?
TASC Mathematics
(A) 65 cm
(B) 38 cm
(C) 46 cm
(D) 40 cm

TASC Mathematics
Practice Test 3

Section 2

(No Calculator)

 

12 questions

Total time for this section: 55 Minutes

 

You may NOT use a calculator on this Section.

41- If 2 \ x \ - \ 6=10.5, What is the value of 3 \ x \ + \ 2?
(A) 26.75
(B) 26.75
(C) 26+0.75
(D) 26 +0.75
(E) 26 + 0.75
(F) 26+3/4
(G) 26+(3/4)
(H) 26 +(3/4)
(I) 26 + (3/4)
42- - \ 16 \ + \ 6 \ × \ (– \ 5) \ – \ [6 \ + \ 22 \ × \ (- \ 4)] \ ÷ \ 2 \ + \ 5=?
(A) -2
(B) - 2
(C) - 2
43- What is the value of f(3) for the following function f?
f(x)=x^2 \ + \ 4 \ x
(A) 21
(B) 21.0
(C) 21
44- The perimeter of the trapezoid below is 58. What is its area?
TASC Mathematics1
(A) 220
(B) 220
(C) 220.0
45- If \frac{x \ + \ 2}{3}=N and N=5, what is the value of x?
(A) 13
(B) 13.0
(C) 13
46- The volume of cube A is \frac{1}{4} of its surface area. What is the length of an edge of cube A?
(A) 3/2
(B) 3/2
(C) 1.5
(D) 1+0.5
(E) 1 +0.5
(F) 1 + 0.5
47- What is the area of an isosceles right triangle that has one leg that measures 4?
(A) 8
(B) 8
(C) 8.0
48- The average of 13, 16, 24 and x is 15. What is the value of x?
(A) 7
(B) 7.0
(C) 7.0
49- A ladder leans against a wall forming a 60^\circ angle between the ground and the ladder. If the bottom of the ladder is 45 feet away from the wall, how many feet is the ladder?
(A) 90
(B) 90 degrees
(C) 90
50- From last year, the price of gasoline has increased from $1.30 per gallon to $1.75 per gallon. The new price is what percent of the original price?
(A) 150
(B) 150.0
(C) 150
51- If the ratio of 3 \ a to 4 \ b is \frac{1}{10}, what is the ratio of a to b?
(A) 0.2
(B) 0.2
(C) 1/5
(D) 1/5
(E) 0.20
52- A construction company is building a wall. The company can build 50 cm of the wall per minute. After 45 minutes \frac{2}{3} of the wall is completed. How many meters is the wall?
(A) 33.75
(B) 33.75
(C) 33+3/4
(D) 33+(3/4)
(E) 33 + (3/4)
1- Choice A is correct

The correct answer is 200\%
Write the equation and solve for B:
0.50 A = 0.25 B, divide both sides by 0.25, then:
0.65/0.25 A = B, therefore:
B =2 A, and B is 2 times of A or it’s 200\% of A.

2- Choice B is correct

The correct answer is 16
average = \frac{sum \ of \ terms}{ number \ of \ terms}=\frac{17 \ + \ 13 \ + \ 7 \ + \ 21 \ + \ 22}{5} = 805 = 16

3- Choice A is correct

The correct answer is 2 : 1
The average speed of john is: 180 \ ÷ \ 3=60 km/h
The average speed of Alice is: 270 \ ÷ \ 9=30 km/h
Write the ratio and simplify.
60 : 30 ⇒ 2 : 1

4- Choice A is correct

The correct answer is 1728 cm^3
If the length of the box is 36, then the width of the box is one third of it, 12, and the height of the box is 4 (one third of the width).
The volume of the box is:
V = lwh = (36) \ (12) \ (4) = 1728

5- Choice D is correct

The correct answer is 5
Let x be the number.
Write the equation and solve for x.
(25 \ – \ x) \ ÷ \ x = 4
Multiply both sides by x.
(25 \ – \ x) = 4 \ x, then add both sides.
25 = 5 \ x , now divide both sides by 5.
x = 5

6- Choice D is correct

The correct answer is 2,401
7^4=7 \ × \ 7 \ × \ 7 \ × \ 7=2,401

7- Choice A is correct

The correct answer is 90\%
Use percent formula: part =\frac{ percent}{100} \ × whole
27=\frac{percent}{100} \ × \ 30 ⇒
27=\frac{ percent \ × \ 30}{100} ⇒
27=\frac{percent \ × \ 3}{10}, multiply both sides by 10.
270= percent × \ 3, divide both sides by 3.
90= percent

8- Choice D is correct

The correct answer is 13 cm
Use Pythagorean Theorem: a^2 \ + \ b^2=c^2
5^2 \ + \ 12^2 = c^2 ⇒
25 \ + \ 144=c^2 ⇒
169=c^2⇒
c=13 cm

9- Choice A is correct

The correct answer is 20^\circ
The sum of supplement angles is 180.
Let x be that angle.
Therefore, x \ + \ 8\ x = 180
9 \ x = 180, divide both sides by 9: \ x = 20^\circ

10- Choice D is correct

The correct answer is 420
Add the first 5 numbers.
35 \ + \ 40 \ + \ 45 \ + \ 25 \ + \ 50 = 195
To find the distance traveled in the next 5 hours, multiply the average by number of hours.
Distance = Average × Rate = 45 \ × \ 5 = 225
Add both numbers.
225 \ + \ 195 = 420

11- Choice B is correct

The correct answer is $80
$12×8=$96, Petrol use: 8 \ × \ 2=16 liters
Petrol cost: 16 \ × \ $1=$16
Money earned: $96 \ − \ $16=$80

12- Choice D is correct

The correct answer is 9 hours and 30 minutes
Use distance formula: Distance = Rate × time ⇒ 380 = 40 \ × T, divide both sides by 40.
380 / 40 = T T = 9.5 hours.
Change hours to minutes for the decimal part.
0.5 hours = 0.5 \ × \ 60 = 30 minutes.

13- Choice A is correct

The correct answer is 50\%
Use the formula for Percent of Change \frac{New \ Value \ − \ Old \ Value}{old \ value} \ × \ 100\%
\frac{25−50}{50} \ × \ 100\%= \ – \ 50\% (Negative sign here means that the new price is less than old price).

14- Choice A is correct

The correct answer is 15
The ratio of boy to girls is 3:8. Therefore, there are 3 boys out of 11 students.
To find the answer, first divide the total number of students by 11, then multiply the result by 3.
55 \ ÷ \ 11=5 ⇒ 5 \ × \ 3=15
There are 15 boys and 30 \ (55 \ – \ 15) girls.
So, 15 more boys should be enrolled to make the ratio 1:1

15- Choice B is correct

The correct answer is 9.240 kg
The weight of 13.2 meters of this rope is: 13.3 \ × \ 700 g =9,240 g
1 kg = 1,000 g, therefore, 9,240 g ÷ \ 1000=9.24 kg

16- Choice C is correct

The correct answer is 64 kg
average =\frac{sum \ of \ terms}{ number \ of \ terms}
The sum of the weight of all girls is: 15 \ × \ 60=900 kg
The sum of the weight of all boys is: 30 \ × \ 66=1,980 kg
The sum of the weight of all students is: 900 \ + \ 1,980=2,880 kg
average =\frac{2,880}{45}=64

17- Choice D is correct

The correct answer is 15
Some of prime numbers are: 2, 3, 5, 7, 11, 13
Find the product of two consecutive prime numbers:
2 \ × \ 3 = 6 (not in the options)
3 \ × \ 5 = 15 (bingo!)
5 \ × \ 7 = 35 (not in the options)
7 \ × \ 11 = 77 (not in the options)

18- Choice A is correct

The correct answer is 10\%
Use this formula: Percent of Change \frac{New \ Value \ − \ Old Value}{pld \ value} \ × \ 100\%
\frac{18,000 \ − \ 20,000 }{20,000} \ × \ 100\%=10\% and
\frac{16,200 \ − \ 18,000}{18000} \ × \ 100\%=10\%

19- Choice A is correct

The correct answer is 50\%
The question is this: 560.50 is what percent of 1,121?
Use percent formula:
part =\frac{percent}{100} \ × whole
560.50= \frac{percent}{100} × \ 1,121 ⇒ 560.50=\frac{ percent \ × \ 1,121}{100 }⇒
56050 = percent × \ 1.121 ⇒
percent =\frac{56050}{1,121}=50
560.50 is 50\% of 1,121.
Therefore, the discount is: 100\% \ – \ 50\%=50\%

20- Choice D is correct

The correct answer is $880
Let x be the original price.
If the price of the sofa is decreased by 15\% to $748, then:
85\% of x=748 ⇒ 0.85 \ x =748 ⇒
x=748 \ ÷ \ 0.85=880

21- Choice C is correct

The correct answer is 15
If the score of Mia was 90, therefore the score of Ava is 45.
Since, the score of Emma was one third as that of Ava, therefore, the score of Emma is 15.

22- Choice B is correct

The correct answer is 30
Let x be the smallest number.
Then, these are the numbers:
x, x \ + \ 1, x \ + \ 2, x \ + \ 3, x \ +\ 4
average = \frac{sum \ of \ terms}{ number \ of \ terms} ⇒ 32=\frac{x \ + \ (x \ + \ 1) \ + \ (x \ + \ 2) \ + \ (x \ + \ 3) \ + \ (x \ + \ 4)}{5}⇒32=\frac{5 \ x \ +10}{5 }⇒ 160=5 \ x \ + \ 10 ⇒ 150=5 \ x ⇒ x=30

23- Choice C is correct

The correct answer is $420
Let x be the original price.
If the price of a laptop is decreased by 10\% to $378, then:
90\% of x=378 ⇒ 0.90 \ x=378 ⇒ x=378 \ ÷ \ 0.90=420

24- Choice A is correct

The correct answer is 9
Write the numbers in order:
4, 5, 8, 9, 13, 15, 18
Since we have 7 numbers (7 is odd), then the median is the number in the middle, which is 9.

25- Choice A is correct

The correct answer is 7\%
The percent of girls playing tennis is:
35\% \ × \ 20\% = 0.35 \ × \ 0.20 = 0.07 = 7\%

26- Choice C is correct

The correct answer is 6
Let x be the number.
Write the equation and solve for x.
\frac{1}{3} \ × \ 12= \frac{2}{3} \ x.
x ⇒ \frac{1 \ × \ 12}{3}= \frac{2 \ x}{3} , use cross multiplication to solve for x.
3 \ × \ 12=2 \ x \ × \ 3 ⇒36=6 \ x ⇒ x=6

27- Choice A is correct

The correct answer is 28
The area of the floor is: 8 cm × \ 35 cm = 280 cm^2
The number of tiles needed = 288 \ ÷ \ 10 = 28

28- Choice C is correct

The correct answer is x=- \ 24, \ y=18
\begin{cases}x \ + \ 2 \ y = 12\\3 \ x \ + \ 5 \ y= 18\end{cases} → Multiply the top equation by - \ 3 then,
\begin{cases}- \ 3 \ x \ - \ 6 \ y = - \ 36\\3 \ x \ + \ 5 \ y= 18\end{cases} → Add two equations
- \ y = - \ 18→y=18 plug in the value of y into the first equation
x \ + \ 2 \ y = 12 → x \ + \ 2 \ (18) = 12→ x \ + \ 36 = 12
Subtract 36 from both sides of the equation. Then: x \ + \ 36=12→x=- \ 24

29- Choice D is correct

The correct answer is 600 ml
5\% of the volume of the solution is alcohol.
Let x be the volume of the solution.
Then: 5\% of x=30 ml ⇒ 0.05 \ x =30 ⇒ x=30÷0.05=600

30- Choice C is correct

The correct answer is 5 cm
Formula for the Surface area of a cylinder is:
SA=2 \ \pi \ r^2 \ + \ 2 \ \pi \ r \ h →150 \ 𝜋=2 \ \pi \ r^2 \ + \ 2 \ \pi \ r \ (10)→r^2 \ + \ 10 \ 𝑟 \ − \ 75=0 \ (r \ + \ 15) \ (𝑟 \ − \ 5)=0→𝑟=5 or 𝑟= \ − \ 15 (unacceptable)

31- Choice D is correct

The correct answer is I \ > \ 4000 \ x \ + \ 21000
Let x be the number of years.
Therefore, $2,000 per year equals 2000 \ x.
starting from $24,000 annual salary means you should add that amount to 2000 \ x.
Income more than that is:
I \ > \ 4000 \ x \ + \ 21000

32- Choice D is correct

The correct answer is 840
Use simple interest formula: I=prt
(I= interest, p= principal, r= rate,t= time)
I=(7,000) \ (0.04) \ (3)=840

33- Choice A is correct

The correct answer is 50 miles
Use the information provided in the question to draw the shape.
40 miles
Use Pythagorean Theorem: a^2 \ + \ b^2 = c^2
40^2+ 30^2=c^2 ⇒ 1600 \ + \ 900= c^2 ⇒ 2500=c^2 ⇒ c=50

34- Choice A is correct

The correct answer is \frac{17}{18}
If 17 balls are removed from the bag at random, there will be one ball in the bag.
The probability of choosing a brown ball is 1 out of 18.
Therefore, the probability of not choosing a brown ball is 17 out of 18 and the probability of having not a brown ball after removing 17 balls is the same.

35- Choice A is correct

The correct answer is 12 \ \pi
Area of the circle is less than 49 \ π.
Use the formula of areas of circles.
Area = \pi \ r^2 ⇒ 49 \ \pi \ > \ \pi \ r^2⇒
49 > r^2⇒ r \ < \ 7
Radius of the circle is less than 7.
Let’s put 7 for the radius.
Now, use the circumference formula:
Circumference =2 \ \pi \ r =2 \ \pi \ (7)=14 \ \pi
Since the radius of the circle is less than 7.
Then, the circumference of the circle must be less than 14 \ \pi.
Only choice A is less than 14 \ \pi.

36- Choice A is correct

The correct answer is \frac{2}{7}, \frac{3}{8}, \frac{5}{11}, \frac{3}{4}
Let’s compare each fraction:
\frac{2}{7} \ < \ \frac{3}{8} \ < \ \frac{5}{11} \ < \ \frac{3}{4}
Only choice A provides the right order.

37- Choice B is correct

The correct answer is 0.88 D
To find the discount, multiply the number by (100\% \ – rate of discount).
Therefore, for the first discount we get: (D) (100\% \ – \ 20\%) = (D) (0.80) = 0.80 D
For increase of 10\%: (0.85 D) (100\% \ + \ 10\%) = (0.85 D) (1.10) = 0.88 D = 88\% of D

38- Choice D is correct

The correct answer is 70
To find the number of possible outfit combinations, multiply number of options for each factor: 7 \ × \ 2 \ × \ 5=70

39- Choice B is correct

The correct answer is (5, 7)
The equation of a line is in the form of y=m \ x \ + \ b, where m is the slope of the line and b is the y−intercept of the line.
Two points (5, 3) and (6, 4) are on line A.
Therefore, the slope of the line A is:
slope of line A=\frac{y_{2} \ − \ y_{1}}{x_{2} \ − \ x_{1}}= \frac{4 \ − \ 3}{6 \ − \ 5}=\frac{1}{1}=1
The slope of line A is 1.
Thus, the formula of the line A is:
y=x \ + \ 𝑏, choose a point and plug in the values of x and y in the equation to solve for .
Let’s choose point (5, 3).
Then: y=x \ + \ b→5=3 \ + \ b→b=5 \ − \ 3= 2
The equation of line A is: y=x \ + \ 2
Now, let’s review the choices provided:
A. (− \ 1, 2) \ \ y=x \ + \ 2→2=− \ 1 \ + \ 2=1 This is not true.
B. (5, 7) \ \ y=x \ + \ 2→7=5 \ + \ 2=7 This is true!
C. (3, 4) \ \ y=x \ + \ 2→4=3 \ + \ 2=5 This is not true.
D. (− \ 1, − \ 2) \ \ y=x \ + \ 2→− \ 2=− \ 1 \ + \ 2=1 This is not true.

40- Choice C is correct

The correct answer is 46 cm
The area of the trapezoid is: Area =\frac{1}{2} \ h \ (b1 \ + \ b2)=\frac{1}{2} \ (x)(13+8)=126→10.5 \ x=126→x=12
y=\sqrt{5^2 \ + \ 12^2}=\sqrt{25 \ + \ 144}=\sqrt{169}=13
The perimeter of the trapezoid is: 12 \ + \ 13 \ + \ 8 \ + \ 13=46

40- Choice C is correct

The correct answer is 46 cm
The area of the trapezoid is: Area =\frac{1}{2} \ h \ (b1 \ + \ b2)=\frac{1}{2} \ (x)(13+8)=126→10.5 \ x=126→x=12
y=\sqrt{5^2 \ + \ 12^2}=\sqrt{25 \ + \ 144}=\sqrt{169}=13
The perimeter of the trapezoid is: 12 \ + \ 13 \ + \ 8 \ + \ 13=46

41- Choice I is correct

The correct answer is 26.75
2 \ x \ - \ 6=10.5→2 \ x=10.5+6=16.5→x=\frac{16.5}{2}=8.25
Then; 3 \ x \ + \ 2=3 (8.25) \ + \ 2=24.75 \ + \ 2=26.75

42- Choice C is correct

The correct answer is - \ 2
Use PEMDAS (order of operation):
- \ 16 \ + \ 6 \ × \ (– \ 5) \ – \ [ \ 6 \ + \ 22 \ × \ (- \ 4) \ ] \ ÷ \ 2 \ + \ 5=
− \ 16 \ − \ 30 \ − \ [ \ 6 \ − \ 88 \ ] \ ÷ \ 2 \ + \ 5=
− \ 43 \ − \ [ \ − \ 82 \ ] \ ÷ \ 2 \ + \ 5=
− \ 48 \ +\ 82 \ ÷ \ 2 \ + \ 5=
− \ 48 \ + \ 41 \ + \ 5= \ - \ 2

43- Choice C is correct

The correct answer is 21
The input value is 3.
Then: x=3, \ 𝑓(x)=x^2 \ + \ 4 \ x→
f(3)=9 \ + \ 4 \ (3)=9 \ + 12=21

44- Choice C is correct

The correct answer is 220
The perimeter of the trapezoid is 58.
Therefore, the missing side (height) is = 58 \ – \ 16 \ – \ 12 \ – \ 10= 20
Area of a trapezoid: A = \frac{1}{2} \ h \ (b1 \ + \ b2) = \frac{1}{2} \ (20) \ (10 \ + \ 12) = 220

45- Choice C is correct

The correct answer is 13
Since 𝑁=5, substitute 5 for N in the equation \frac{x \ + \ 2}{3}=N, which gives \frac{x \ + \ 2}{3}=5.
Multiplying both sides of \frac{x \ + \ 2}{3}=5 by 3 gives x \ + \ 2=15 and then adding - \ 2 to both sides of
x \ + \ 2=15 then, x=13.

46- Choice F is correct

The correct answer is \frac{3}{2}
Let x be the length of an edge of cube, then the volume of a cube is: 𝑉=x^3
The surface area of cube is: 𝑆𝐴=6 \ x^2
The volume of cube A is \frac{1}{4} of its surface area. Then:
x^3=\frac{6 \ x^2}{4}→x^3=\frac{3}{2} \ x^2, divide both side of the equation by x^2.
Then: \frac{x^3}{x^2}=\frac{3 \ x^2}{2 \ x^2}→x=\frac{3}{2}

47- Choice C is correct

The correct answer is 8
First draw an isosceles triangle.
Remember that two sides of the triangle are equal.
Let put a for the legs. Then:
𝑎=4⇒ area of the triangle is =\frac{1}{2}(4 \ × \ 4)=\frac{16}{2}=8

48- Choice C is correct

The correct answer is 7
average =\frac{sum \ of \ terms}{ number \ of \ terms} ⇒
15=\frac{13 \ + \ 16 \ + \ 24 \ + \ x}{4}⇒
60=53 \ + \ x⇒x=7

49- Choice C is correct

The correct answer is 90^\circ
The relationship among all sides of special right triangle
30^\circ \ − \ 60^\circ \ − \ 90^\circ is provided in this triangle:
In this triangle, the opposite side of 30^\circ angle is half of the hypotenuse.
Draw the shape of this question.
The latter is the hypotenuse.
Therefore, the latter is 90 feet.

50- Choice C is correct

The correct answer is 150
The question is this: 1.95 is what percent of 1.30?
Use percent formula:
part = \frac{percent}{100 } \ × whole
1.95 = \frac{percent}{100} \ × \ 1.30 ⇒ 1.95 =\frac{ percent \ × \ 1.30}{100} ⇒195 = percent × \ 1.30 ⇒ percent = \frac{195}{1.30} = 150

51- Choice E is correct

The correct answer is \frac{1}{5} or 0.2
Write the ratio of 3 \ 𝑎 to 4 \ b.
\frac{3 \ a}{6 \ b}=\frac{1}{10}
Use cross multiplication and then simplify.
3 \ a × 10= 6 \ b × 1 → 30 \ a = 6 \ b → a = \frac{6 \ b}{30} = \frac{ b}{5}
Now, find the ratio of a to b.
\frac{a}{b} = \frac{\frac{ b}{5}}{b} →\frac{ b}{5} ÷ b =\frac{ b}{5} × \frac{1}{b} = \frac{b }{5 \ b} = \frac{1}{5} =0.2

52- Choice E is correct

The correct answer is 33.75 m
The rate of construction company =\frac{50 \ cm}{1 \ min}=50 cm/min
Height of the wall after 45 minutes =\frac{ 50 \ cm}{1 \ min}× \ 45 min =2,250 cm
Let x be the height of wall, then \frac{2}{3} \ x=2,250 cm →x=\frac{3 \ × \ 2,250}{2}→x=3,375 cm = 33.75 m

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