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spin [16.1K]
3 years ago
9

2x - (-8) - 7x + 4 +10

Mathematics
2 answers:
blondinia [14]3 years ago
7 0
You add a 1 where the first negative is so when you multiply that’s -1 times -8 so that’s positive 2x + 8. Then you add the numbers up that don’t have a variable and you come up with 2x + 22 - 7x. Then you combine like terms to get -5x + 22. And that’s your answer.
3241004551 [841]3 years ago
3 0

Answer:

-5x+22

Step-by-step explanation:

we are simplifying

2x-(-8)-7x+4+10=

2x+8+-7+4+10=

2x+8+-7x+4+10

(2x+-7)+(8+4+10)= -5x+22

Hope it helps

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The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers?
storchak [24]
Step One - List the factors of 60.
Step Two - Locate the factors that are seven apart from each other.

Factors of 60:
1 × 60
2 × 30
3 × 20
4 × 15
5 × 12
6 × 10

60 - 1 = 59
30 - 2 = 28
20 - 3 = 17
15 - 4 = 11
12 - 5 = 7
10 - 6 = 4

5 is 7 less than 12, and 60 is their least common multiple.

Answer: 5 and 12 
8 0
3 years ago
the pressure, p. of a gas varies inversely with its volume, v. Pressure is measured in units of Pa. Suppose that a particular am
LekaFEV [45]

I think I know how to do it


Your equation is:

P₁V₁ = P₂V₂


You Know:

Initial:

P₁ = 84 Pa

V₁ = 336 L


New:

P₂ = ?

V₂ = 216L


Plug this into the equation:

P₁V₁ = P₂V₂

(84 Pa)(336 L) = P₂(216 L)     Divide 216 on both sides

\frac{(84Pa)(336L)}{216L}=\frac{(P_{2})(216L)}{216L}

130.6666666 = P₂    

(if your doing significant figures, you have 2 sig figs)

130 Pa = P₂


6 0
3 years ago
What is the measurement of angle P? MPO O A.) 36° O B.) 64° O C.) 116° O D.) 244°​
gladu [14]

Answer:

P is MPO O A.) 36° O B.) 64° O C.) 116° O D.) 244°​

Step-by-step explanation:

MPO O A.) 36° O B.) 64° O C.) 116° O D.) 244°​

7 0
2 years ago
Read 2 more answers
3x + 2y = -10<br> 5x + y = 9
soldier1979 [14.2K]

Answer:

x=4, y=-11. (4, -11).

Step-by-step explanation:

3x+2y=-10

5x+y=9

--------------

3x+2y=-10

-2(5x+y)=-2(9)

--------------------

3x+2y=-10

-10x-2y=-18

-----------------

-7x=-28

7x=28

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5(4)+y=9

20+y=9

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7 0
3 years ago
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Drupady [299]
They are alternate exterior angles which means they have the same degree

Solution: 70 degree
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