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Tanya [424]
3 years ago
13

-2(x-2)=20 solve equation

Mathematics
1 answer:
Lilit [14]3 years ago
7 0

Answer:

-8

Step-by-step explanation:

-2 times -2 = 4

20-4 = 16

-2 times x = -2x

16/-2 = -8

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Gary took 7 hours to mow 4 lawns,then at that rate, how many lawns could be mowed in 35 hours? Write a different question plz
Svetach [21]

Answer:

The total amount of lawns to be mowed would be 20 in 35 hours.

Step-by-step explanation:

It takes an hour and 45 minutes to mow one lawn. When you multiply the 7 hours by 5 you get 35 hours. Same thing if you multiply the 4 lawns by 5 you get 20 lawns.

4 0
3 years ago
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A number is chosen at random from the first 20 integers. Find the probability that the number is a multiple of 3.
Fofino [41]

Answer:

3/10

Step-by-step explanation:

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P(multiple of 3) = number of "multiples of 3" / total

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4 0
3 years ago
Find the area of each shape by decomposing each shape into rectangle and/or triangle.
avanturin [10]

Remark

You don't have to decompose the second one, and it is better if you don't. Just find the area as you probably did: use the formula for a trapezoid. You have to assume that the 6cm line hits the 2 bases at right angles for each of them, otherwise, you don't know the height. So I'm going to assume that we are in agreement about the second one.

Problem One

The answer for this one has to be broken down and unfortunately, you answer is not right for the total area, although you might get 52 for the triangle. Let's check that out.

<em><u>Triangle</u></em>

Area = 1/2 * b * h

base = 16 cm

h = 10 - 4 = 6

Area = 1/2 * 16 * 6

Area = 48

<em><u>Area of the Rectangle</u></em>

Area = L * W

L = 16

W = 4

Area = L * W

Area = 16 * 4

Area = 64

<em><u>Total Area</u></em>

Area = 64 + 48

Area = 112  of both figures <<<< Answer

3 0
3 years ago
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alekssr [168]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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A segment with endpoints (3,7) and (-8,7) is rotated around the origin. how long will the new segment be ?
amid [387]
11 units long.  When something is rotated it does not change its shape/length, only when it is dilated.
4 0
3 years ago
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