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Helga [31]
4 years ago
15

7y-5(-3y-8) simplify

Mathematics
2 answers:
Nookie1986 [14]4 years ago
5 0
This is a simplified expression

rusak2 [61]4 years ago
4 0

The answer is 22y + 40

Here's how I got my answer:

Step 1: Expand to 7y + 15y + 40

Step 2: Simplify 7y + 15y to get your answer, 22y + 40

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A bag contains 10 red marbles, 15 yellow marbles and 5 green marbles. What is the probability of drawing a red or green marble f
Volgvan
Probability = 

             (number of ways it can come out the way you want)
divided by
             (total number of ways it can come out).

Total number of ways to draw a marble = 30 (marbles in the bag).

Number of ways it can succeed = 15 (number of red or green ones)

Probability = 15/30 = 1/2 = 50% .
8 0
3 years ago
Read 2 more answers
A store manager decides to clear out
azamat

Answer:

it would be A:55%

Step-by-step explanation

For percent, to make it easier try to turn it into a 100.

20x5=100

do the same to the 9.

9x5=45.

Now subtract 45 from 100.

100-45=55.

There was a discount of 55%.

7 0
3 years ago
The orange shape is a dilation of the black shape
grigory [225]

Answer:

 1/4

Step-by-step explanation:

The orange shape is 3 units tall and 4 units wide. The black shape is 12 units tall and 16 units wide. The scale factor is ...

 orange/black = 3/12 = 4/16 = 1/4

<h2 />
7 0
3 years ago
Y=4x^3+3x^2-2x+9.<br>=&gt; y'=?​
-Dominant- [34]

Step-by-step explanation:

y'=dy/dx=d/dx(4x³+3x²-2x+9)

=(3*4x^(3-1)+2*3x^(2-1)-2*1x^(1-1)+9*0

y'=12x²+6x-2

4 0
3 years ago
Hi pls help me in math im soo stuck:(((​
Genrish500 [490]
2x = 48, 3x = 72, 4x = 96, 6x = 144


2x + 3x + 4x + 6x = 360
15x = 360
x = 24

2x = 2(24) = 48
3x = 3(24) = 72
4x = 4(24) = 96
6x = 6(24) = 144
8 0
3 years ago
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