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2 years ago

What is the answer?

Mathematics

2 answers:

mrs_skeptik [129]2 years ago

5 0

Answer:

Step-by-step explanation:

use hypotenuse formula a^2+b^2=c√

78x78+30x30=√6084=78

Ivan2 years ago

3 0

Answer:

Step-by-step explanation:

A^2 + B^2 = C^2

30^2 + 72^2 = 6084.

Square root of 6084 = 78.

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The ratio of students to teachers is 2:3 respectively.If there are 21 teachers, how many students are there?

yulyashka [42]

Answer:14

Step-by-step explanation:

2:3

14:21

in 14 their is 2 7's

in 21 their is 4 7's

6 0

2 years ago

What is the slope of the line through (-9,6) and (-6,-9)

Juliette [100K]

$\text{The slope formula:}\ m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{We have:}\\(-9;\ 6)\to x_1=-9;\ y_1=6\\(-6;\ -9)\to x_2=-6;\ y_2=-9\\\\\text{substitute:}\\\\m=\dfrac{-9-6}{-6-(-9)}=\dfrac{-15}{-6+9}=\dfrac{-15}{3}=-5$

Answer: m = -5

7 0

3 years ago

Simplify fraction 80/25

Yakvenalex [24]

80 / 25 = 3 5/25

3 5/25

8 0

2 years ago

Read 2 more answers

5x+9=2x+7+3x-15

andrew11 [14]

Answer:

No Solutions

Step-by-step explanation:

Step 1:

5x + 9 = 2x + 7 + 3x - 15 Equation

Step 2:

5x + 9 = 5x - 8 Add and Subtract

Step 3:

9 = - 8 Subtract 5x on both sides

Answer:

9 ≠ - 8 9 cannot equal - 8

Hope This Helps :)

3 0

3 years ago

Read 2 more answers

What is real world meaning

grin007 [14]

The definition of a real-world equation is an equation that could perhaps occur in real life, for things like construction.

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

7 0

2 years ago

What is the answer? ​

What is the answer?