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lakkis [162]
2 years ago
10

I’m stuck I need the answer

Mathematics
1 answer:
Mama L [17]2 years ago
8 0
This is the answer for your test hope it helps

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(10x 2 +5x-3)+( 7x 2 -2x+7)
Rama09 [41]

Answer:

3x+38

Step-by-step explanation:

1. (10x2 +5x-3)+(7x2 -2x+7) : rewrite problem

2. (20+5x-3)+(14-2x+7) : PEMDAS (10x2=20 and 7x2=14)

3. (5x+17)+(-2x+21) : PEMDAS (20-3=17 and 14+7=21)

4. 3x+38 : Combine like terms

7 0
2 years ago
(-x to the power of 10) to the power of 2​
MA_775_DIABLO [31]

Answer:

its 1 because -x(-1) raised to the 10 is -1 so raised to the 2 is 1

Step-by-step explanation:

7 0
2 years ago
Line K is parallel to line L
SpyIntel [72]

Answer:

The correct answer is A) Angle 1.

Step-by-step explanation:

We know this because they are opposite of one another. The lines don't even have to be parallel for this to be true.

4 0
2 years ago
Read 2 more answers
What is the volume of the rectangular prism, in cubic cm?<br> 9 cm<br> 4 cm<br> 12 cm
Over [174]

Answer:

V =432 cm^3

Step-by-step explanation:

The volume is given by

V = l*w*h

V = 9*4*12

V =432 cm^3

5 0
2 years ago
In a trolley ride around an amusement park, a child traveled from one signpost to a second signpost at a constant speed of 125 m
Inessa05 [86]

Answer:

Given speed of trolley = 125 meters per minute

Speed= 125 meters/minute\\\\Speed =\frac{125}{60}meters/second\\\\Speed=2.083m/s

Now we know that

Distance= Speed x time

Thus for the first case since the time of travel is less than 450 seconds thus the distance traveled is less than

Distance < 2.083 x 450 =937.5 meters

hence depending on the given information we cannot come to any conclusion weather the distance travelled is less than 800 m or greater than 800 m.

For the second case

since the time of travel is greater than 400 seconds

Thus the distance traveled is

Distance>2.083\times 400=833.2meters

which is greater than 800 meters.

4 0
3 years ago
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