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loris [4]
3 years ago
5

Someone plz help me with number 13 on this document

Mathematics
1 answer:
alukav5142 [94]3 years ago
3 0
The answer will be -1
(4,-1)
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Someone could help me with problem 3-76 (b) pls
kupik [55]

Answer:

ok so you see the equation at the top... you are going to "plug in" the number in the "in" row to get the "out number

Step-by-step explanation:

example

in: 4

-2(-4)+1

8+1

9

so for the out row under -4 you would put 9

-2(-3)+1

6+1

7

so for the out row under 3 you would put 7

5 0
2 years ago
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What is the value of x?
lorasvet [3.4K]

Answer:

x=9

Step-by-step explanation:

We can use similar triangles and ratios.  Put the small triangle side over the large triangle side.

9cm            3x -20

----------   = ----------------    We need to add the sides to get to the larger triangle

72+9 cm   3x-20 + 56


We can cross multiply to solve

9 * (3x-20+56) = (72+9) * (3x-20)

Simplify

9*(3x+36) = 81*(3x-20)

Distribute

27x +324 = 243x -1620

Subtract 27x from each side

27x-27x +324 = 243x-27x -1620

324 = 216x-1620

Add 1620 to each side

324+1620 = 216x

1944 = 216x

Divide each side by 216

1944/216 = 216x/216

9=x

6 0
3 years ago
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As x → − ∞ , f ( x ) = − 3 . As x → ∞ , f ( x ) = − 3
Ludmilka [50]

Answer:

hi

Step-by-step explanation:

4 0
2 years ago
Is x = 1 a solution of the equation 2 – 8x = –6?
borishaifa [10]

Let's verify by substituting 1 to x.

2 - 8x = -6

2 - 8(1) = -6

2 - 8 = -6

-6 = -6

It is equal, therefore x = 1 is the solution.

4 0
3 years ago
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Plz help me w this I’m so confused :/
solong [7]
Y=-4x+10

I hope this helped you
6 0
3 years ago
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