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Svetach [21]
3 years ago
9

Help me solve 10 and 11 Please. And show your work

Mathematics
1 answer:
Vaselesa [24]3 years ago
5 0
I'm sorry idk how to do it
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What happens to the value of the expression 80-2r80−2r80, minus, 2, r as rrr decreases? Choose 1 answer: Choose 1 answer: (Choic
Pie

Answer:

(Choice B) B It decreases.

Step-by-step explanation:

According to the situation, the solution of the value of the expression is as follows

Let us assume

r         80 -2r

5        80 - 10 = 70

4        80 - 8 = 72

3        80 - 6 = 74

2        80 - 4 = 76

1         80 - 2 = 78

As we can from the above calculation that expression value risen if r value decreased

Therefore the correct option is B.

6 0
3 years ago
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Simplify (3^3)(1/9^2 − 6 + 2)
AnnZ [28]

Answer:

27/77

Step-by-step explanation:

I hope this is correct

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3 0
3 years ago
Please help me with the process to find the answer for #15, #16, #17 and #18
timama [110]

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8 0
3 years ago
Find the area of the composite shape below.<br> help to get sum coin
enot [183]

Answer:

Composite Area = 1105.94

Step-by-step explanation:

Remark

The two semi circles at each end make an entire circle with radius 11. The width of the central rectangle = the diameter of the circle. The area should be able to be found.

Width

2*radius = width

width = 2 * 11

width = 22

Area of the circle

Area = pi * r^2

r = 11

Area = 3.14 * 11^2

Area = 3.14 * 121

Area = 379.94

Area of the rectangle

Area = L * W

L = 33

W = 22

Area = 33 * 22

Area = 726

Total Area

Total Area = Area of Rectangle + Area of the Circle

Total Area = 726 + 379.94 = 1105.94

3 0
3 years ago
I NEED THIS ANSWER ASAP!!
Greeley [361]
A: 0 3 4 5 5 6 7 9 9 20
3 3 5 5 6 8 8 9 9 

B: No, they are not symmetric
4 0
3 years ago
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