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sveticcg [70]
3 years ago
10

Simplify the following expression: 3g^2– 7g + 5g + 12

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

3g^2 - 2g + 12

Step-by-step explanation:

3g^2 - 7g + 5g + 12

-7g + 5g = -2g

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Calculate the quotient below and give your answer in scientific notation. 0.00065/5*10^-2
swat32

Answer:

1.3x10^-6

Step-by-step explanation:

Use a calculator.

0.00065/5 will give you 0.00013 which can be written as 1.3x10^-4 and multiply that by 10^-2, you will add the exponents -4+-2 and get -6 as your new exponent, ending with 1.3x10^-6

7 0
3 years ago
Twice the sum of four and x is three less than x.
aliya0001 [1]

Answer:

-11

Step-by-step explanation

Condition:

2(4+x)=x-3

8+2x=x-3

Combining similar terms

8+3=x-2x

11=-x

OR

x=-11

7 0
3 years ago
How do you solve f(x)= 4x(2)-4x-3?
slavikrds [6]
If by 4x(2) you mean 4x to the power 2 or 4x^2...it can be solved in the following way
f(x)=4x^2-4x-3
=4x^2+2x-6x-3
=2x(2x+2)-3(2x+2)
=(2x-3)(2x+2)
Therefore x=3/2 or x=-2/2=(-1)
8 0
3 years ago
Which which division problem does the diagram below best illustrate?<br><br><br>60 points ​
siniylev [52]

Answer:

Step-by-step explanation:

32 divide 4 = 8

4 0
3 years ago
Read 2 more answers
An item costs $390 before tax, and the sales tax is $35.10. Find the sales tax rate. Write your answer as a percentage.
DanielleElmas [232]

Answer:

Use this pencentage change formula:

New - Old

---------------- x 100

Old

Step-by-step explanation:

390 + 35.10 = 425.1 (New value)

So apply this to the formula:

425.1 - 390

--------------- x 100

390

<em>Which is = 9%</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em> </em><em>Cheers</em><em>!</em><em> </em><em>:</em><em>)</em>

7 0
2 years ago
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