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2 years ago

Calculate each unknown side length. Round your answer to the nearest tenth.

Mathematics

1 answer:

Drupady [299]2 years ago

3 0

To answer this you need to use the Pythagorean theorem, the first part it 4^2+x^2=7^2 so the answer to the bottom x is 5.7. Your next step is to do the Pythagorean theorem for the whole triangle so your equation would be 10^2 + 5.7^2= x^2 once you solve that you will get 132.49 which you need to take the square root of. Once you will do that you will find the other x = 11.5

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HOw do I find proportions?

Rudiy27

Answer: A proportion is simply a statement that two ratios are equal.

Example: 2:6 = 1:3

To get that you do this: 2:6 ÷ 2:2 = 1:3

-----------------------------------------------------------

Example 2: 5:10 = 1:2

To get that you do this: 5:10 ÷ 2:2 = 1:2

3 0

3 years ago

Two consecutive integers have a sum of 53. Find the integers.

Flura [38]

Answer:

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Step-by-step explanation:

Let one of the numbers be x,

Then the two numbers are x and x +1

And,

x+x+1 = 53

2x = 53 - 1 (Transposing 1 from LHS to RHS)

2x = 52

x = 52/2

x = 26

x + 1 = 27

So, The two numbers are 26 and 27.

7 0

2 years ago

7.5 4.2

Studentka2010 [4]

✡ Answer: x=6.72 ✡

- - Solve:

- - First step is to cross-multiply:
- $7.5*x=4.2*12$
- $7.5x=50.4$

- - The next step is to divide both sides by the number 7.5
- $\frac{7.5x}{7.5} = \frac{50.4}{7.5} 
$


- - x=6.72

✡Hope this helps✡

3 0

2 years ago

Variable y varies directly with variable x, and y = 48 when x = 8.

scZoUnD [109]

Y/x=k 48/8=6=k k is the constant y/4=6 y=24

3 0

2 years ago

Write 1:2 as any two equivalent ratios for each ratio.

FrozenT [24]

Answer: 1:2= 2:4,3:6

Step-by-step explanation: example 5 by 10 0.5

6 0

2 years ago