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gladu [14]
2 years ago
5

What is the value of the expression-2(3x-2)+x+9 when x= -3

Mathematics
1 answer:
nikitadnepr [17]2 years ago
4 0

We know x=-3

Replace x with -3

-2(3[-3]-2)+(-3)+9

simplify

-2(-9-2)-3+9

-2(-11)-3+9

22-3+9

do math

22-12

Your Answer Is 10

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6/x = 2x+4/5
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Answer:

x^2+2x-15=0

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4 0
3 years ago
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The melting point of nitrogen is -210 °C. The melting point of magnesium is 650 °C.
scoray [572]

Answer:

860 degrees

Step-by-step explanation:

-210+210=0

0+650=650

650+210=860

7 0
11 months ago
List 4 rational numbers between-4 and -3?​
lana [24]

-3.1, -3.5, -3.9, -3.8

6 0
3 years ago
The charge to rent a trailer is ​$2525 for up to 2 hours plus ​$99 per additional hour or portion of an hour. Find the cost to r
Ksju [112]

The question is not written properly! Complete question along with answer and step by step explanation is provided below.

Question:

The charge to rent a trailer is ​$25 for up to 2 hours plus ​$9 per additional hour or portion of an hour.

Find the cost to rent a trailer for 2.8 ​hours, 3 ​hours, and 8.7 hours.

Then graph all ordered​ pairs, (hours,​ cost), for the function.

Answer:

ordered pair = (2.8, 34)

ordered pair = (3, 34)

ordered pair = (8.7, 88)

Step-by-step explanation:

Charge for 2.8 ​hours:

$25 for 2 hours

$9 for 0.8 hour

Total = $25 + $9

Total = $34

ordered pair = (2.8, 34)

Charge for 3 ​hours:

$25 for 2 hours

$9 for 1 hour

Total = $25 + $9

Total = $34

ordered pair = (3, 34)

Charge for 8.7 ​hours:

$25 for 2 hours

$9 for 1 hour

$9 for 1 hour

$9 for 1 hour

$9 for 1 hour

$9 for 1 hour

$9 for 1 hour

$9 for 0.7 hour

Total = $25 + $9 + $9 + $9 + $9 + $9 + $9 + $9

Total = $88

ordered pair = (8.7, 88)

The obtained ordered pairs are graphed, please refer to the attached graph.

4 0
3 years ago
10 POINTS
podryga [215]
Take the length of the larger divide it by the smaller

5/2 = 2.5
6 0
2 years ago
Read 2 more answers
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