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3 years ago

1. What is the formula for Pythagorean Theorem

Mathematics

1 answer:

Debora [2.8K]3 years ago

4 0

Answer:

The formula is a^2 + b^2 = c^2

Step-by-step explanation:

A and B are legs and C is the hypothunisis.

The theorem is used for triangles.

4^2 + 5^2 = c^2

16 + 25 = c^2

41 = c^2

sqr(41) = sqr(c)^2

c = 6.403124237

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The perimeter of a triangle ABC is 54. The triangle has side lengths AB=3x,BC=4x,and AC=5x. Find the length of each side.

Ilya [14]

3x+4x+5x=54
12x=54
x=4.5

Plug in the value of x into all three segments.

AB= 3*4.5= 13.5
BC= 4*4.5= 18
AC= 5*4.5= 22.5

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3 years ago

Find the diameter of a circle with circumference of 15.70

Elanso [62]

Find the diameter of a circle with circumference of 15.70

Solution: We are given:

The circumference of a circle $=15.70$

We are required to find the diameter of the circle based on given circumference.

We know that:

$Diameter = \frac{circumference}{\pi}$

$=\frac{15.70}{3.1416}$ $\because \pi \approx 3.1416$

$=5.00$ rounded to two decimal places

Therefore, the diameter of the circle with circumference 15.70 is 5

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4 years ago

1. Evaluate 7m+2n-8p OVER n for m = –4, n = 2, and p = 1.5.

Zigmanuir [339]

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4 years ago

Mr.rodriguez bought 420 pencils for the school.if there are 10 pencils In each box how many boxes are there'

Sophie [7]

$420 \div 10 = 42$

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3 years ago

Read 2 more answers

-2(8) ÷ (-4)<br> What is the answer

olganol [36]

Answer:

The given expression 2(8) ÷ (-4) = 4

Step-by-step explanation:

Here, the given expression is : -2(8) ÷ (-4)

Now,we also know that $a \div b = a \times \frac{1}{b}$

So, here $-2(8) \div (-4) = -2(8) \times \frac{1}{(-4)} = \frac{-16}{-4} = 4$

⇒ The given expression -2(8) ÷ (-4) = 4

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3 years ago