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Verizon [17]
3 years ago
10

Rob did 15 push-ups on Monday, but on Tuesday he did 3 more than on Monday. What was the percent change?​

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0

Answer:

20%

Step-by-step explanation:

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I need help I don’t understand
kozerog [31]
You answer for a. show be 200+600-1 should e lil tj
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3 years ago
What is the value of x in the equation 3x-1/9=18 when y equals 27
anygoal [31]

Answer: 163/27

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x + -1/9 = 18

Step 2: Add 1/9 to both sides.

3x + -1/9 + 1/9 + = 18 + 1/9

3x = 163/9

Step 3: Divide both sides by 3.

3x/3 = 163/9 over 3

x = 163/27

8 0
3 years ago
Find the value of 7×+2y when x=2and y=-9
jeka94
The answer should be -4,
7x2=14
2x-9=-18
14+ -18= -4
6 0
3 years ago
Jennifer went on a shopping spree, spending a total of $165 on a skirt, a sweater, and a pair of shoes. The cost of the sweater
ahrayia [7]
X=skirt
y=sweater
z=shoes

x+y+z=165
y=8/7x
z=x+11
plug it in
x+(8/7x)+(x+11)=165
2x+8/7x=154
22/7x=154
x=49
y=56
z=60
a skirt cost $49, a sweater cost $56, and a pair of shoes cost $60
7 0
3 years ago
Ball drop with kinetic and potential energy
bagirrra123 [75]

Answer:

When the ball is dropped on the ground, the potential energy convert into kinetic energy. It had potential energy when it was held in the air waiting to be dropped, and It had kinetic energy when it was dropped because kinetic energy is when it's moving. when you drop it, your moving it.

Step-by-step explanation:

your welcome *bows*

7 0
2 years ago
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