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Elodia [21]
3 years ago
14

How to answer this in interval notation? x+1/x+7 is less than or equal to 0

Mathematics
1 answer:
Phoenix [80]3 years ago
3 0
The answer is (-7,-1) you just need to convert the inequality
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What is the coordinates of {2, 1} and {2, 4}?
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Xm=(2+2)/2=2 Ym=(1+4)/2=2.5 (2,2.5)
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3 years ago
Each side of a pentagon is 10 cm greater than the previous side. If the perimeter of this pentagon is 500 cm, find the lengths o
Vesna [10]

Answer: See explanation

Step-by-step explanation:

The perimeter of a pentagon is gotten through the summation of its five sides. Let the first side be represented by x. Since each side of a pentagon is 10 cm greater than the previous side, then the sides will be:

First side = x

Second side = x + 10

Third side = x + 10 + 10 = x + 20

Forth side = x + 30

Fifty side = x + 40

Therefore,

x + (x + 10) + (x + 20) + (x + 30) + (x + 40) = 500

5x + 100 = 500

5x = 500 - 100

5x = 400

x = 400/5

x = 80

Therefore, the lengths will be:

First side = x = 80cm

Second side = x + 10 = 80 + 10 = 90cm

Third side = x + 20 = 80 + 20 = 100cm

Forth side = x + 30 = 80 + 30 = 110cm

Fifty side = x + 40 = 80 + 40 = 120cm

8 0
2 years ago
Which points on this vertical number line best represent the locations of 2.5 and -3/2. A (G and J) B (G and K). C(H and I) D (H
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A nugget of gold is placed in a graduated cylinder that contains 85 mL of water.the water level rises to 225 mL after the nugget
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To get the volume of an object, one of the oldest techniques is to fill a container with water of which we know the volume (in this case 85mL), and drop the object in. The water will rise and show a new volume (225mL). If we subtract the old volume (85) from the new volume (225), we will get the volume of the object (225 - 85 = 140).
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HELP, ASAP PLS. 24 POINTS.
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