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aivan3 [116]
3 years ago
15

Evaluate the expression 12/(10-2)-(22-18) A. 3 B. 4 C. 12 D. 0

Mathematics
1 answer:
Kaylis [27]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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Solve : <br> 20-9x=11<br> 4(2x+1)=8<br> 5(2x+5)=-15<br> 3(8x+1)=-21
laila [671]
<span>20-9x=11
-9x=11-20
-9x= -9
x= -9/(-9)
x=1


4(2x+1)=8
2x+1=8/4
2x+1=2
2x=2-1
2x=1
x=1/2
x=0.5


5(2x+5)=-15
2x+5= -15/5
2x+5= -3
2x= -3-5
2x= -8
x= -8/2
x=-4

3(8x+1)=-21
8x+1= -21/3
8x+1= -7
8x= -7-1
8x =-8
x= -8/8
x= -1
</span>
4 0
3 years ago
You downloaded a video game to your computer. You have a 60-minute free trial of the game. It takes 5 minutes to set up the game
Luba_88 [7]

Answer:

I think the equation is 7l +5=60

Step-by-step explanation:


7 0
4 years ago
The Department of Industrial Engineering at a major university wants to develop an empirical model to predict the success of its
tester [92]

Answer:B

Step-by-step explanation:

7 0
3 years ago
How do you know when a situation involves a percent increase or a<br>percent decrease?<br>​
Sauron [17]

Answer:

1. Subtract starting value minus final value.

2.divide that amount by the absolute value of the starting value.

3. Multiplt by 100 to get a percent decrease.

4. if the percentage is negative, it means there was an increase and not an decrease

3 0
3 years ago
What is the answer to this equation <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B4%7D%3D5%20" id="TexFormula1" title="
Marizza181 [45]

Multiply both sides by 4 to isolate the x term.

x = 5 × 4

x = 20

8 0
4 years ago
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