2 years ago

What is the answer for this equation? -2(3x+10)+14x=28

Mathematics

2 answers:

azamat2 years ago

8 0

Answer:

x= 6

Step-by-step explanation:

Distribute -2 into the parenthesis.

-6x+(-20)+14x= 28

The negative sign cancels out the addition sign,

-6x-20+14x= 28

Add the variables together.

(-6x+14)

8x-20= 28

Add 20 to both sides.

8x-20= 28

+20 +20

Divide to both sides.

2 2

x= 6

Alik [6]2 years ago

7 0

x=6 hi hope this helps.

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2 years ago

If the points (-8, 7) and T (6,-3) are on a line segment, find the length of ST.

larisa86 [58]

Answer:

The answer is

<h2>2√74 or 17.20 units</h2>

Step-by-step explanation:

The length of w line segment between two points can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

S(-8, 7) and T (6,-3)

The length of ST is

$|ST| = \sqrt{ ({ - 8 - 6})^{2} + ({7 + 3})^{2} } \\ = \sqrt{ ({ - 14})^{2} + {10}^{2} } \\ = \sqrt{196 + 10} \\ = \sqrt{296} \\ = 2 \sqrt{74} \\ = 17.2046505...$

We have the final answer as

<h3>2√74 or 17.20 units</h3>

Hope this helps you

8 0

3 years ago

PLEASE HELP ASAP

Nikitich [7]

10 x 10 x 10 = $10^{3}$

4 0

3 years ago

Read 2 more answers