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anastassius [24]
3 years ago
13

Help needed for assignment

Mathematics
1 answer:
bearhunter [10]3 years ago
3 0
The answer is C........
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Solve the equation 3x + 5y = 15 for y.
Naddika [18.5K]

Answer:

y=\frac{-3}{5}x+3

I don't see this in any of your choices.

Please be sure the problem and choices are as you want them to be seen by others. Thanks kindly.  

I do hope my answer is helpful.

Step-by-step explanation:

3x+5y=15

We want to get the term that contains y by itself.

This means we want to get 5y by itself first.

To do this I need to get rid of the plus 3x on that side.

I will do the inverse operation of that; I will subtract 3x on both sides.

3x+5y=15

-3x             -3x

5y=15-3x

5y=+15-3x

5y=-3x+15 since addition is commutative.

Now we have the 5y term by itself. We want the factor y in 5y by itself.

To undo multiplication you must divide.  We will divide both sides by 5:

5y=-3x+15

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

            5

\frac{5y}{5}=\frac{-3x+15}{5}

y=\frac{-3x}{5}+\frac{15}{5}

y=\frac{-3}{5}x+3

7 0
3 years ago
In a (blank),one ratio compares a part to a whole
Verdich [7]

Answer:

In a part-to-whole ratio, one ratio compares a part to a whole.

3 0
3 years ago
What is this function written in vertex form? f(x) = (x –1)2 – 7 f(x) = (x 1)2 – 7 f(x) = (x –1)2 – 5 f(x) = (x 1)2 – 5
Maslowich

The vertex form of all expressions is given below.

We have given that the expressions

We have to write the function in vertex form.

<h3>What is the vertex form of the equation?</h3>

The vertex form of a quadratic function is given by f (x) = a(x - h)^2 + k, where (h, k) is the vertex of the parabola.

Therefore the first equation

f(x)=(x-1)^2-7

it can be written as

f(x)=1(x-1)^2+(-7)

The second equation can be written as

f(x) = (x+1)^2 -7

vertex for is,

f(x)=1(x-(-1))^2+(-7)

The third equation is,

f(x) = (x -1)^2 - 5

Vertex form is,

f(x)=1(x-1)^2+(-5)

Forth equation is,

f(x) = (x +1)^2 +(- 5)

Vertex form is,

f(x) =1 (x -(-1))^2 +(- 5)

To learn more about the vertex form visit:

brainly.com/question/17987697

#SPJ1

3 0
2 years ago
A child. Should no longer use a boister seat when they reach 4'9" tall Janet is 59 inches tall. Can she go without a booster sea
Pepsi [2]

Answer:

Yes she can. 59 is 4.9 feets

Step-by-step explanation:

searched it on goog

5 0
3 years ago
The ratio of girls to boys in a school is 6:7 and there are 448 boys. How
olya-2409 [2.1K]

Answer:

374

i took test

7 0
3 years ago
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