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Nadya [2.5K]
4 years ago
12

What is the answer to 8ab-2b+ab-b

Mathematics
2 answers:
lora16 [44]4 years ago
4 0
8ab-2b+ab-b
8ab+ ab= 9ab
-2b-b= -3b

Answer: 9ab - 3b
V125BC [204]4 years ago
4 0
8ab-2b+ab-b
Combine like factors
9ab-3b
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100 is 19% of what number?
larisa [96]

Answer: 526.32

Formula: 100 x 100 / 19

8 0
4 years ago
Solve the equation. –x + 8 + 3x = x – 6
saul85 [17]
First group the coefficients together on their side of the equal sign.
-x + 3x = 2x.

Then, since it is a positive number, subtract it from that side and the other side.

On the other side, the x becomes -x.

Add the 6 from the other side to the 8 to make 14.

14 = -x

Divide both sides by -1, to get the answer.

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8 0
4 years ago
Read 2 more answers
Y=x<br> y=-6x–14<br><br> (substitution method)
olga_2 [115]

Answer:

The solution is the point (-2,-2)

Step-by-step explanation:

we have

y=x ----> equation A

y=-6x-14 ----> equation B

Solve the system by substitution

substitute equation A in equation B

x=-6x-14

Solve for x

6x+x=-14\\7x=-14\\x=-2

Find the value of y

substitute the value of x in the equation A

y=x

so

y=-2

therefore

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3 0
4 years ago
The seismic activity density of a region is the ratio of the number of earthquakes during a given time span to the land area aff
vlada-n [284]
It is given that seismic activity d<span>ensity of a region is the ratio of the number of earthquakes during a given time span to the land area affected. so if the there 424 earthquakes and the land area is 71,300 sq miles.


seismic activity density = 424 / 71,300
</span>
<span>seismic activity density = 0.0059
the closest answer in the choices is 0.0056</span>

4 0
4 years ago
Read 2 more answers
Evaluate |-6| + 2|-4| - 3|6|
aleksley [76]
<span> |-6| + 2|-4| - 3|6|

get rid of the absolute values so it's

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do PEMDAS 

6+8-18

=-4 

</span><span>
</span>
7 0
3 years ago
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