Math Knowledge

\[ \frac{17}{20} + \frac{6}{100} + \frac{15}{50} = \]

The value \[ (\frac{-1}{9}) \sqrt{81} \] is equal to

If \(5 v – u = – 2\) and \(– v + 9 u = 18\) then the simultaneous solution of the given equation is:

The factors of \( 30x^2 – 30 \) are:

Solve: \[3 \times 10 + 2 = \]

Solve: \[8 \times 9 – 2 = \]

Solve for \( x \): \[7 + 14 = 7 \times x \] \( x \) =

Solve for \( x \): \[42 \div 6 = x – 12\] \( x \) =

Calculate the following as a mixed number: \[\frac{3}{4} + \frac{2}{3} =\]

Calculate the following as a mixed number: \[\frac{3}{4} + \frac{7}{8} =\]

If \(a + b = 12\) and \(a – 4b = 12\), calculate \(b\)

\[6 \times \frac{1}{6} =\]

Solve for \( x \): \[9x – 8 = 55\]

\(\frac{2}{3}\) is equal to:

If \[\frac{x}{63} = \frac{1}{9}\] then \(x =\)

Calculate: \[(3-(5-2(6-2))+3)+2\]

What is the value of \( x \) when: \[2x + 3 = 3x – 4\] ?

Solve for \( x \): \[3 + 9 = 3x^{2}\]

On a map, 1 inch represents 30 miles. The distance between 2 towns is 6 1/2 inches. How many miles are actually between the towns?

1.25 + 1.25 + 1.25 – 1.25 + 1.5 =

Sally bought a sweater for $40 and had to pay 15% sales tax on her transaction. What was Sally’s total bill?

Eric makes $1,600 per month. He spends $320 on groceries. What percentage of his income does Eric spend on groceries

Angles A, B, and C measure 72 degrees, 99 degrees, and 21 degrees respectively. By how much (total) would these angles have to be adjusted to form a triangle?

Of the popluation of 8,420 people, 4,400 have voted. Approximately how many people within the population have voted?

Of the following choices, which is a valid value for \( x \)? \[x = (7 \times 6) + (4 \times 6)\]