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ser-zykov [4K]
3 years ago
12

Solve.

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0
Ok first U start with 3
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If y varies directly as x and y = 8 when x = 4, what is the value of y when x = 16? a. 32 b. 16 c. 64 d. 28
ddd [48]

By finding the proportional relation between x and y, we will see that when x = 16, we have y = 32.

<h3>How to get the value of y when x = 16?</h3>

If y varies directly with x, then we can write the relation as:

y = k*x

Where k is the constant of proportionality.

First, we know that when x = 4, we have y = 8, replacing that we get:

8 = k*4

Solving for k, we get:

k = 8/4 = 2.

Then the relation between x and y is:

y = 2*x

When x = 16, we have:

y = 2*16 = 32

Then the correct option is a.

If you want to learn more about proportional relations:

brainly.com/question/12242745

#SPJ1

5 0
2 years ago
Katy spent 60% of her money to buy a new television. If the television cost 300$, how much money did she have?
LuckyWell [14K]
Just do 300x1.4 because that gives you the extra 40% (the answer is £420 btws)
6 0
3 years ago
Help me with this problem please
Vikki [24]
The answer would be d a negative times a negative is a positive times a negative makes it a negative
8 0
3 years ago
What is the y-value when x equals 25? y= 650 - 15(x)
yarga [219]

Answer:

y= 275 when x is 25

5 0
3 years ago
How do you graph y=3x-4 on a coordinate grid
mars1129 [50]

Answer:

You can look at the screenshot

Step-by-step explanation:

So one point of the line is (0, -4) and another point is (4/3, 0). Plot these points on a graph and draw a line.

0, -4 is from making x = 0, and then 4/3, 0 is from making y = 0.

7 0
3 years ago
Read 2 more answers
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