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labwork [276]
4 years ago
7

Whats the value of y 2y + 15 = 4y - 45

Mathematics
2 answers:
kati45 [8]4 years ago
8 0

Answer:

\boxed{\bold{y=30}}

Step By Step Explanation:

[ Step One ] Subtract 15 From Both Sides

\bold{2y+15-15=4y-45-15}

[ Step Two ] Simplify

\bold{2y=4y-60}

[ Step Three ] Subtract 4y From Both Sides

\bold{2y-4y=4y-60-4y}

[ Step Four ] Simplify

\bold{-2y=-60}

[ Step Five ] Divide Both Sides By -2

\bold{\frac{-2y}{-2}=\frac{-60}{-2}}

[ Step Six ] Simplify

\bold{y=30}

Rudiy274 years ago
3 0
The answer is 30 you don’t even need this app to answer that question use photo math
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suppose you choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles. You return the first marbl
Marta_Voda [28]

Answer:

15/121 is the answer.

8 0
4 years ago
Find the area of the shape shown below.
disa [49]

Answer:  31.5 square units

Explanation:

The area of the rectangle is length*width = 7*3 = 21 square units

The area of the triangle is 0.5*base*height = 0.5*7*3 = 10.5 square units

The combined area is 21+10.5 = 31.5 square units

8 0
3 years ago
The graph of function g is a vertical stretch of the graph of function f ​​by a factor of 3. Which equation describes function g
anyanavicka [17]

Answer:


Step-by-step explanation:

A vertical stretch by a factor of k means that the point (x, y) on the graph of f (x) is transformed to the point (x, ky) on the graph of g(x), where k <1.

If k =1, then same graph we obtain and if k>1 we get a vertically shrink graph.

In our question, there is a vertical stretch of 3. This means new graph would have points as (x,y/3)

i.e. instead of f(x) = y, we have now f(x) = y/3

So transformation is g(x) = 3f(x)

Option A is correct.

2) Here f(x) = 3x+8 is transformed to g(x) =3x+6

i.e. y intercept is reduced by 2 units.  Hence there is a translation of 2 units down.


8 0
3 years ago
Read 2 more answers
Which of the following are ordered pairs for the equation y = 1/8x + 11
Anna11 [10]

Answer:

(0, 11) is a solution.

(8, 12)  is a solution.

(16, 13) is a solution

(1, 89/8)  

(2,  45/4)

Step-by-step explanation:

y = 1/8x + 11

for this equation....

y = (1/8) x + 11

let x = 0  get

y = 0 + 11 = 11

(0, 11) is a solution.

(8, 12)  is a solution.

(16, 13) is a solution

(1, 89/8)   because    y = 1/8 + 11 = 1/8 + 88/8 = 89/8

(2,  45/4)

3 0
3 years ago
CAN SOMEONE HELP ME PLS
Y_Kistochka [10]

Answer:

0.5 < x < 16.5

Step-by-step explanation:

8.5 - 8.0 < x < 8.5 + 8.0 =

0.5 < x < 16.5

<em>Hope that helps! :)</em>

<em></em>

<em>-Aphrodite</em>

8 0
3 years ago
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