ASVAB: Mathematics Knowledge

12(82 - 3) - (2 x 81) =

(12 × 79) - 162 = 948 - 162 = 786.

which number sentence is true?

0.006262 < 0.062

what is 0.3172 rounded to the nearest tenth?

0.3

which of the following is the equivalent of 12/25?

0.48

How much water must be added to 1 liter of a 5% saline solution to get a 2% saline solution?

1.5 L..... 0.05)(1) = (0.02) x: the left side represents 5% of 1 liter; the right side represents 2% of some amount of water. From the equation, x = 2.5. Subtracting the 1 liter of water already present in the 5% solution

10^7 dividend 10^4

10^3...... In a division problem like this, leave the whole number the same and subtract the exponents.

what is 12% of 10^2?

12, First find 10 x 10 = 100 and then multiply by 12%.

6/9 + 12/9 =

2...... 6 + 12 = 18. 18/9 = 2

25 percent of what number is equal to 5?

20

what is another way to write 2.25 * 100^2?

22,500......100^2 = (100)(100), or 10,000. (10,000)(2.25) = 22,500.

which is equivalent to 4 3/8 ?

35/8, Multiply 8 x 4 to get 32/8 + 3/8 = 35/8

What is 50 percent of 78?

39..... Multiply 78 * .5

Which of the following is equivalent to 4(z^2)

4(z * z)..... z2 is equivalent to z x z.

what is the value of y when x=1 and y=3+2x ?

5.... First multiply 2 x 1 and then add 3

6 1/3 + 5 3/10 =

6 10/30 + 5 9/30 = 11 19/30.

What is another way to write 3square root of 12

6 square root 3

what is another way to write 4^3?

64 because 4x4x4=64

which of the following means 3n+7=16

7 more than 3 times a number is 16

what is 5 1/5 % of 325?

First, change the percent to a decimal: 51/5% = (.052) Thus, (.052)(325) = 16.9.