What does 25% of 80 equal

Mathematics

2 answers:

ollegr [7]3 years ago

6 0

Answer: 20

Step-by-step explanation:

Anna007 [38]3 years ago

4 0

Answer:

Step-by-step explanation:

25*4 equals 100 so 80/4 is 20.

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125.315 to two significant figures

Shalnov [3]

Answer: 130

Step-by-step explanation:

The five rounds up making it 130

3 0

3 years ago

Find the solution of this system of equations:

Evgen [1.6K]

Answer:

y=-3.667

Step-by-step explanation:

-4(10y-59)+10y=86

30y+196=86

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4 years ago

An angle measures 16° more than the measure of its supplementary angle. What is the measure of each angle?

Olenka [21]

82 degrees and 98 degrees

First, find the original equation

180 = (x) + (x + 16)

Simplify: 180 = 2x + 16

Next, use the subtraction property of equality to subtract 16 from both sides

180 - 16 = 2x + 16 - 16

Simplify: 164 = 2x

Then, you can use the division property of equality to find the value of x

164/2 = 2x/2

Simplify: 82 = x

Now, we know that the first angle equals 82 degrees and that the second angle equals 98 degrees

3 0

2 years ago

What is the hypotenuse of a right triangle if the legs are each 20 inches long? Round to the nearest whole number. A. 28 B. 29 C

marusya05 [52]

Answer:

The answer is A.

Step-by-step explanation:

You have to apply Pythagoras Theorem :

${c}^{2} = {a}^{2} + {b}^{2}$