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Alekssandra [29.7K]
3 years ago
15

Please i really need help

Mathematics
1 answer:
Pepsi [2]3 years ago
6 0

Step-by-step explanation:

4×10×2=80

20×10×1=200

20×8×1=160

20×10×1=200

2×20×1=40

10×2×2=40

80+200+160+200+40+40=720

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2. The fifth term and eighth terms of a Gp are 80 and 640 respectively find
Softa [21]

Answer:

a values of r and a that the answer

8 0
2 years ago
29. Consider the diagram below. Solve for x
Flauer [41]

Answer:

x = 76

Step-by-step explanation:

The angles are same side interior angles and same side interior angles are supplementary, which means they add to 180

x+104 = 180

Subtract 104 from each side

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7 0
3 years ago
What is the area of a quadrilateral with vertices at (-2, - 6),
svet-max [94.6K]

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18 sq. unit

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4 0
2 years ago
If f(1) = 160 and f(n + 1) = –2f(n), what is f(4)?
lions [1.4K]

Answer:

-1280

Step-by-step explanation:

There are 2 ways you could do this. You could just do the question until you come to the end of f(4). That is likely the simplest way to do it.

f(1) = 160

f(2) = - 2 * f(1)

f(2) = -2*160

f(2) = -320

f(3) = -2 * f(2)

f(3) = -2 * - 320

f(3) = 640

f(4) = - 2 * f(3)

f(4) = - 2 * 640

f(4) = - 1280

I don't know that you could do this explicitly with any real confidence.

5 0
2 years ago
Read 2 more answers
Is the table proportional?
inysia [295]
No. In order to be proportional, y must change directly with x.

Looking at the first two pieces of data, let's find the ratio between x and y.

2/5 and 3/6. These should be equivalent of the table is proportional.





5 0
3 years ago
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