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choli [55]
4 years ago
7

I don't understand someone help me help out a barb plz.

Mathematics
1 answer:
ss7ja [257]4 years ago
8 0

Answer:

Step-by-step explanation:

so you are doing 4x times 4x which = 16x

so now you do 16x-9 which = 7x

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Which of these points lies on the line discribed by the equation below? y-4= -2(x-6)
Basile [38]

Answer:

C, (6,4)

Step-by-step explanation:

The points (x,y) that lie on the line must fit into the equation correctly. So, we can test out the 4 options to see whether they fit correctly into the equation.

A:

y-4

= -4 -4 = -8

-2(x-6)

= -2 (-6-6)

= 24

Since -8≠24, so A is incorrect.

B:

y -4 = -6-4 = -10

-2(x-6) = -2 (-4-6) = 20

-10≠20, so B is incorrect.

C:

y-4 = 4 -4 = 0

-2(x-6) = -2(6-6) = 0

Both sides are equal. C is correct.

But lets test D out too.

y-4 = 6-4 = 2

-2(x-6) = -2(4-6) = 4

2≠4, so D is incorrect.

6 0
3 years ago
What is (4+2) (-5) +3 (2+ -3 + 2
Mariulka [41]
<span><span><span>(<span>4+2</span>)</span><span>(<span>−5</span>)</span></span>+<span>3<span>(<span><span>2−3</span>+2</span>)
</span></span></span><span>=<span><span><span>(6)</span><span>(<span>−5</span>)</span></span>+<span>3<span>(<span><span>2−3</span>+2</span>)
</span></span></span></span><span>=<span><span>−30</span>+<span>3<span>(<span><span>2−3</span>+2</span>)
</span></span></span></span><span>=<span><span>−30</span>+<span>3<span>(<span><span>−1</span>+2</span>)
</span></span></span></span><span>=<span><span>−30</span>+<span><span>(3)</span><span>(1)
</span></span></span></span><span>=<span><span>−30</span>+3
</span></span><span>=<span>−<span>27</span></span></span><span>
Hope this helps</span>
5 0
3 years ago
Read 2 more answers
What is the gcf of 12 and 8
DENIUS [597]
The answer is 4 hope this helps
5 0
3 years ago
On expression that is equal to 5.1 - 5.9
Nastasia [14]

Answer: 10.2-11.8

Step-by-step explanation:

im guessing that the question is "write one expression that is equal to 5.1 - 5.9" i would make it simple as possible and double both numbers to get 10.2-11.8"

8 0
3 years ago
Read 2 more answers
If 8 is added to twice a number and this sum is multiplied by 5​, the result is the same as if the number is multiplied by negat
Naily [24]
(8+2x) -> If 8 is added to twice a number (x)
5*(8+2x) -> and this sum is multiplied by 5
5*(8+2x)=x*(-28)+2   -><span>the result is the same as if the number is multiplied by negative −28 and 2 is added to the product.

Simplifying the equations on both sides would give
40+10x=-28x+2 transpose -28 to the left side and 40 to the right side
28x+10x=2-40
38x=-38
x=-1</span>
3 0
3 years ago
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