2 years ago

Which number line shows the solution set for in-3155?

1 answer:

6 0

Answer:Find an answer to your question Which number line shows the solution set for in-3155? -8 -6 -4 -2 0 2 4 6 8 -8 -6 -4 -2 0 2 4 6 8 8 6 o -8

Step-by-step explanation:

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In the diagram below segment DEF is shown(since all three letters are shown, they are collinear). If DE=3x+2, EF= x+5, and DF= 2

amm1812

The value of $x$ is 4.

By Geometry, we know that line segment $DF = DE + EF$ , which is equivalent to:

$DF = 3\cdot x + 2 + x + 5$

$DF = 4\cdot x + 7$ (1)

Now we solve algebraically the resulting expression.

If we know that $DF = 23$ , then we solve the equation for $x$ :

$4\cdot x + 7 = 23$

$4\cdot x = 16$

$x = 4$

The value of $x$ is 4.

We kindly invite to see this question on line segments: brainly.com/question/23297288

6 0

2 years ago

PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( ! <br> ILL GIVE 40 POINTS .

RSB [31]

Answer:

x = 5

Step-by-step explanation:

11 = 4x-9

20 = 4x

20/4 = 4x/4

5 = x

5 0

2 years ago

a company makes carboard cylindrical boxes with a diameter of 10 inches and a height of 8 inches.how many square inches of carbo

NeTakaya

Answer:

408.2sq inches

Step-by-step explanation:

Area of the cylindrical box = 2πr(r+h)

r is the radius = diameter/2

r = 10/2 = 5in

h is the height = 8in

Substitute

Area of the cylindrical box = 2(3.14)(5)(5+8)

Area of the cylindrical box = 2 * 3.14 * 5 * 13

Area of the cylindrical box = 408.2sq inches

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2 years ago

It took Lesley the same time to drive 150 miles as it took a train to travel 250 miles. If the train is traveling 20 mph faster

Slav-nsk [51]

Answer:

12.5 and 7.5

Step-by-step explanation:

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3 years ago

Eight and six tenths in decimal form

valentinak56 [21]

Eight and six tenths in decimal form is 8.6

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3 years ago

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