Mathematics For Techincians Post Test: Mike Dobler

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Use trigonometric tables or a calculator with trigonometric functions to determine sin 292' 00".

-0.92718

Multiply the following decimals. 3.7 X 0.02

0.074

Change this fraction to a decimal, rounding your answer to three decimal places. 39/89

0.438

Convert 0.006 to a percentage.

0.6%

The solution to the equation 4N+4 = 8 is N= ____.

1

Change the fraction 12/8 to a mixed number, and reduce the mixed number to the lowest term.

1 1/2

Use trigonometric tables or a calculator with trigonometric functions to determine cot 45' 00".

1.0

Three pounds of tea weigh _________kg (three decimals approximation).

1.361 kg

Subtract the following fractions, and reduce to the simplest terms. 2/3 - 1/3 = _

1/3

Reduce the fraction 2/18 to its lowest terms.

1/9

The area of a square is 625 square meters; the perimeter is ____meters.

100 m

100 liters of oil are __________ quarts.

105.68 quarts

Multiply the following fractions, and reduce to the simplest terms. 4 1/4 X 3 1/2 = _

14 7/8

Add the numbers in the graphic shown. 9,219+38+471+6,864

16,592

Divide the following fractions as indicated. 5/8 by 5/16 = _

2

The solution to the equation 2P + 4 = 8 is________.

2

Convert 1/5 to a percentage.

20%

The equation 3/x=5/7 is equivalent to the equation _______. Select one:

21=5x

Add or subtract the decimals, as indicated. 0.5 + 0.04 + 12.001 + 10.0

22.541

2a(b+1) = _____.

2ab+2a

A right triangle has sides of 5, 12 and 13 cm length. The area is ____square cm.

30

100 meter is equal to _________feet (round to the nearest foot).

328

A supply bin contains 150 bolts. During a shift, 79 bolts are removed, then 26 bolts are removed, and a new supply of 300 bolts is added. How many bolts are in the bin at the end of the shift?

345

Perform the subtraction in the graphic shown. 7,839- 4,236

3603

If X=0 and Y=6 (5X + 6)Y + 8 = ____.

44

Perform the multiplication in the graphic shown. 2,843x 169

480,467

The solution to the equation 250/a=5 is _____.

50

If X=5 and Y=4 then 5X + 9Y - 3=_______.

58

The solution to the equation: 2/5=x/15 is ______ .

6

A swimming pool is 30 yards in diameter; a pool cover will need at least ____ square yards of fabric.

706.86 square yards

Three 500 gallons water reservoirs are used for irrigation. Reservoir A is 25% full. Reservoir B is 60% full. Reservoir C is 15% empty. How many gallons of water are available for irrigation?

850 gallons

The axle of a wheel and tire is 14 inches above the ground; in one turn it will roll ____inches.

87.96 inches

In a right triangle, if one angle is 45 degrees and the hypotenuse is 12cm long, how long are the other sides of the triangle?

Both sides are 8.48 cm long

In the proportion a/10=b/3, what are the means?

b and 10

In a right triangle, the ratio between the side opposite to an angle and the side adjacent to the same angle defines the _________ of this angle.

tangent


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