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Ivahew [28]
3 years ago
6

(a-4) (6a²+ 10a-3) simplify.

Mathematics
2 answers:
barxatty [35]3 years ago
5 0

Valentin [98]3 years ago
4 0

Answer: 6a³-14a²-43a+12

Step-by-step explanation:

Explanation is in picture.

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sukhopar [10]
14 - 16 is -2.

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3 0
3 years ago
A mole of 1 gallon cans of paint could cover every square inch of the surface of how many planets the size of the earth?
Nady [450]

Answer:

The answer is 4.4*10^1^0 planets

Step-by-step explanation:

We ll have to find more information first to solve this question.

1. One mole = 6.022 x 10^23

Assuming one gallon of paint covers the 400 sq ft of area.

Thus total area which can be covered by 1 mole of gallon is

=6.022*10^2^3 * 400\\=2.40*10^2^6

2. Now we will find the surface area of earth

Area = 4\pi R^2

The radius of earth is 2.1 x 10^7 Feet

substituting values

Area = 4*3.14*(2.1*10^7)^2\\Area = 5.5*10^1^5ft^2

3. Now we will find out the number of planets of earth size which can be covered by mole of gallon of paint

= Total area one mole of gallon can cover / area of earth

= 2.40 * 10^2^6/5.5*10^1^5\\=4.4*10^1^0 planets

6 0
3 years ago
Please help with math 4r+2+7r
olga nikolaevna [1]
The simplified expression is 11r+2
6 0
3 years ago
Read 2 more answers
Please help I will give 30 points but I need this answer please.
umka21 [38]

whats the question???

also it says 5 points-

5 0
3 years ago
In parallelogram JKLM if m
svetlana [45]

Answer:

155 degree

Step-by-step explanation:

x + 25 = 180 degree (sum of adjacent angles of a parallelogram are equal)

x = 180 - 25

x = 155 degree

4 0
2 years ago
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