3 years ago

Find the constant of proportionality from the equation below.* y = 2/3x

Mathematics

1 answer:

sergey [27]3 years ago

5 0

Answer:

is the 9 seven for five 1233

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Why do we divide by subtracting exponents?

MakcuM [25]

Because when we matiply we have to add there for we have to supteact because you are dividing the number so the expoets have to be small

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3 years ago

I have the equations 8x + 3y = 20.50 and 4x + 5y = 22.50<br> How do I solve for x and y?

snow_tiger [21]

8x + 3y = 20.50
-
4x+5y=22.50
=
4x-2y=-2, so you have to divide each number by 2, then
2x-y=-1, so

-y=-1-2x /-1, y=1+2x, then replace it with one original equation like the first one for instance:
8x+3(1+2x)=20.50, then
8x+3+6x=20.50, then
14x=20.50-3
14x=17.5
x=1.25, then solve y:\
y=1+2*(1.25)
y=1+2.5
y=3.5,
So answer is x=1.25, and y=3.5

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4 years ago

I have a question on my summer packet. Find 33% of 90

Luda [366]

===========================
$1) \frac{90*33}{100}=29,7$

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3 years ago

Read 2 more answers

Is y=10-x a function?

qaws [65]

Yes it is a function

4 0

4 years ago

How many times larger is 3.19 x 10^8 than 8.23 x 10^5? SHOW YOUR WORK!!!

svet-max [94.6K]

In order to find the number times something is larger than something, you have to use division where you divide the larger number by the smaller number.

So:

$\frac{3.19*10^8}{8.23*10^5} =387.6063183$

I'm not sure how much you want to round to, but the answer is 387.6063183 times.

You can make sure by multiplying the smaller number by 387.6063183 and you should get the larger number:

$8.25*10^5*387.6063183=3.19*10^8$

8 0

4 years ago