3 years ago

2/5 of a Number is what percentage of that number HELP

Mathematics

1 answer:

Nata [24]3 years ago

7 0

Answer: 40%

Step-by-step explanation: 100 ÷ 5 = 20 so 20 × 2 = 40

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CAN SOMEONE PLEASE HELP ME WITH MY MATH !!!

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4√41

Step-by-step explanation:

From the Euclidean theorem y^2 = 16 × 41 ➡ y^2 = 656 and y = 4√41

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The area of a trapezoid is 864cm². It has a height of 24 cm, and the length of one of its bases is 30 cm. What is the length of

Amiraneli [1.4K]

The area A of a trapezoid with height h and bases b₁ and b₂ is equal to the average of the bases times the height:

A = (b₁ + b₂) h / 2

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3 years ago

Find the measures of the complementary angles that satisfy each case. One of the angles is 3 times larger than the other.

Nookie1986 [14]

Answer:

22.5° and 67.5°

Step-by-step explanation:

The sum of complementary angles equal 90°.

Given that one of the complementary angles is 3 times larger than the other, let "x" represent the other angle.

Thus, the following expression can be written to represent this case:

$x + 3x = 90$

Solve for x

$4x = 90$

Divide both sides by 4

$\frac{4x}{4} = \frac{90}{4}$

$x = 22.5$

The measure of the complementary angles are:

x = 22.5°

3x = 3(22.5) = 67.5°

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3 years ago