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Drupady [299]
3 years ago
9

What percent of 25 is 20

Mathematics
2 answers:
ipn [44]3 years ago
7 0
80% bc 20/25 equals 4/5 and 4/5 equals x/100 and when you do that math it equals 80%
oksian1 [2.3K]3 years ago
6 0

What percent of 25 equals 20

If x is the percentage,

25 * x = 20

We would multiply x by 25 because when the question includes "of" it indicates multiplication

Divide both sides of the equation by 25 to isolate x, what we want to find out

x = 0.8

The percent (x) is in decimal form, to convert it to a percent move the decimal 2 spaces down- basically multiply it by 100

x = 80%

20 is 80% of 25


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5 long sleeve, 5 tee shirtd.

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2 years ago
URGENT WILL GIVE BRAINLIEST ANSWER ASAP!
dmitriy555 [2]
3i = 105

To make i by itself, divide both sides by i.

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There you have it, 35 is the answer.
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5 A triangle has two congruent angles. The length of one
nlexa [21]

Answer:

<em>Answer: C. 32 cm</em>

Step-by-step explanation:

<u>Triangle Inequality Theorem </u>

Let y and z be two of the side lengths of a triangle. The length of the third side x cannot be any number. It must satisfy all the following restrictions:

x + y > z

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y + z > x

Combining the above inequalities, and provided y>z, the third size must satisfy:

y - z < x < y + z

We know the triangle has two congruent angles, which means the triangle is isosceles, i.e., it has two congruent sides.

We are given two side lengths of 16 cm and 32 cm. The third side must have a length of 16 cm or 32 cm for the triangle to be isosceles.

If the third side had a length of 16 cm then the lengths would be 16-16-32. But that combination cannot form a triangle because of the condition stated above.

If y=16, z=16, and x=32 (the worst possible combination), then the inequality

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4 0
2 years ago
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A gym charges a one time sign-up fee of $10.25 and then $5 each time you go. A student paid a total of $137.25. How many times d
horrorfan [7]

Answer:

25.4 or 25 times

Step-by-step explanation:

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4 0
3 years ago
A rectangular field with perimeter of 80m is to have an area of at least 380m² . Describe the possible lengths and of the field.
Kryger [21]

let \: x \: be \: the \: length \\ let \: y \: be \: the \: width

perimeter = 2x + 2y \\ area = xy

2x + 2y = 80 \\ xy = 380 \\  \\ x + y = 40 \\ xy = 380 \\  \\ x = 40 - y \\ (40 - y)y = 380

40y - y {}^{2}  = 380 \\ y {}^{2}  - 40y + 380 = 0 \\  y {}^{2}  - 40y + 400 = 20 \\ (y - 20) {}^{2}  = 20 \\ y  - 20 =± \sqrt{20}  \\ y_{1}=20-√20≈15.52786\\ y_{2}=20+√20≈24.4721

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2 years ago
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