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Natasha2012 [34]
3 years ago
10

Find an equivalent ratio for each one given by multiplying or dividing by the same number.

Mathematics
1 answer:
olasank [31]3 years ago
8 0

Answer:

How do we find two equivalent ratios by using multiplication and division? ... to a given ratio we multiply or divide both the terms of the given ratio by the same non-zero number. ... Note: In this question we can't apply division method to get the answer in integer form because the G.C.F. of 4 and 5 is 1. ... All Rights Reserved.

Step-by-step explanation:

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Pythagorean theorem pls help
Zarrin [17]

Answer:

a²+b²=c²

Step-by-step explanation:

8 0
2 years ago
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A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function?
vladimir1956 [14]

Answer: third option.

Step-by-step explanation:

By definition, a direct variation function has the form shown below:

y=kx

Where k is a constant.

Then, knowing the given points, you can calculate k with the formula for calculate the slope of a line:

m=\frac{y_2-y_1}{x_2-x_1}=\frac{-4-(-3)}{-12-(-9)}=\frac{1}{3}

Substituting k into  y=kx, you obtain:

y=\frac{1}{3}x\\\\y=\frac{x}{3}

4 0
3 years ago
The path traveled by a bottlenose dolphin as it jumps out of water is modeled by the equation y = −0.4x2 + 3x, where y is the he
V125BC [204]
We can find the answer by solving the two equations simultaneously.

equation 1: y = -0.4x^2 +3xequation 2: x + y = 10
We need to write equation to with y as the subject:equation 2: y = 10 - x

equation 1 = equation 2:
10 - x = -0.4x^2 + 3x0.4x^2 - 4x + 10 = 02x^2 - 20 + 50 = 0(2x - 10)(x - 5) = 0x = -10/2 or x = 5

<span>But x >= 0 (the question says it's a height </span>above<span> the water), so x = 5</span>

Substituting x = 5 into one of the equations:
y = 10 - x
y = 10 - 5
y = 5

<span>So the answer is C</span>
7 0
3 years ago
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The class width of the class 200 - 215 is<br>​
Llana [10]

Answer: -15

Step-by-step explanation:

200

-215

-  15

Hope this helped

7 0
3 years ago
2/5 x (-7/12) in simplest form.<br><br> A. -7/25<br> B. 7/20<br> C. -7/30<br> D. 7/30
Ivenika [448]

Answer:

C. -7/30

Step-by-step explanation:

You just multiply 2•-7 and 5•12

5 0
3 years ago
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