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dlinn [17]
3 years ago
9

Find the sum of the sequence 38+39+40+........+117

Mathematics
1 answer:
leva [86]3 years ago
6 0
The answer is 6200
i think
your welcome
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Find the volume of the prism. A drawing of a rectangular prism. It has length equals to a mixed fraction of one and two third ce
valkas [14]

Answer:

12

Step-by-step explanation:

6 0
2 years ago
Beth is putting up a fence in her yard so her dog can play outside. She purchased 80 feet of fencing. If the fenced area is a re
mariarad [96]

Answer:

10 feet

Step-by-step explanation:

The formula for the Perimeter fo a rectangle

= P = 2L + 2W

Where:

L = Length

W = Width

From the question

P = 80 feet

W = 30 feet

Hence:

80 = 2L + 2(30)

80 - 2(30) = 2L

80 - 60 = 2L

20 = 2L

L = 20/2

L = 10 feet

Hence, the length of the fenced area = 10 feet

4 0
2 years ago
Determine whether each scale factor produces an expansion or a contraction under a dilation of the original image
blondinia [14]

Answer:

see the explanation

Step-by-step explanation:

we know that

If the absolute value of the scale factor is less than 1, then the dilation produces a contraction of the original image

If the absolute value of the scale factor is greater than 1, then the dilation produces an expansion of the original image

so

<u><em>Verify each value</em></u>

1) -4

\left|-4\right|=4

4> 1

therefore

The dilation produces an expansion of the original image

2) 0.25

\left|0.25\right|=0.25

0.25 < 1

therefore

The dilation produces a contraction of the original image

3) -2/3

\left|-2/3\right|=2/3

2/3 < 1

therefore

The dilation produces a contraction of the original image

4) 2.3

\left|2.3\right|=2.3

2.3 > 1

therefore

The dilation produces an expansion of the original image

4 0
3 years ago
When 8 is subtracted from a certain number and the result is multoplied by 3
Natali [406]
15
15 - 8 = 7
7 • 3 is 21
6 0
3 years ago
Read 2 more answers
-35 − (-12) = A) -47 B) -23 C) 23 D) 47
Alexus [3.1K]
B) -23 because a double negative is a positive so it’s -35 + 12 which is -23
5 0
3 years ago
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