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romanna [79]
3 years ago
14

What would -2 - (-7) be? And how would you do that

Mathematics
1 answer:
zavuch27 [327]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Okay, so adding negative numbers can get very tricky, but I think I can help

Since there are two negative signs next to each other, they both cancel out and become positive so instead you get

-2+7

And if you do this with a number line, if you start and negative 2 and keep going right 7 times, you get 5

I hope I helped! I know negative numbers can be really difficult, but once you get the hang of it I bet you'll be great!

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Somebody help pretty please!
Kipish [7]
The line rises to the left so the slope is negative.

Slope = rise / run  = (3 - 1) / (-4-3) =  2 / -7

Answer is -2/7   (A)
5 0
4 years ago
In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. If the the flagpole is 18 ft tall, how tall
xxTIMURxx [149]

Answer:  78.8 ft

<u>Step-by-step explanation:</u>

Similar triangles have proportional sides.

\dfrac{\text{building shadow}}{\text{building height}}=\dfrac{\text{flagpole shadow}}{\text{flagpole height}}\\\\\\\dfrac{35}{\text{building height}}=\dfrac{8}{18}\\\\\\\dfrac{35\times 18}{8}=\text{building height}\\\\\\\dfrac{35\times 9}{4}=\text{building height}\\\\\\\dfrac{315}{4}=\text{building height}\\\\\\\boxed{78.75=\text{building height}}

3 0
3 years ago
Help here please ik this is easy but I have been in my computer for more than 12 hours pleaseeee help
lys-0071 [83]

Answer:

26 divided by 2

13

Step-by-step explanation:

divide the number of the apples in 2 trees by the number of apples that WOULD be in 1 tree

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7 0
3 years ago
Read 2 more answers
Find the volume of the solid figure. <br> A. 96 pi cu in <br> B. 120 pi cu in <br> C.192 pi cu in
sineoko [7]

Answer:

  A.  96π in³

Step-by-step explanation:

The formula you can use to find the volume of a cone is ...

  V = (π/3)r²·h . . . . where r is the radius and h is the height

Put the given numbers into the formula and do the arithmetic.

  V = (π/3)(6 in)²(8 in) = 96π in³

8 0
3 years ago
Round your answer to the nearest hundredth.
netineya [11]

Answer:

200  rounded to the nearest hundredth

Step-by-step explanation:

Acute is about 30 degrees so 30+30=60

so a right angle is 90 degrees right so 90 + 60 =150 round it to the nearest hundredth and you have 200 that's how i got my answer :))

7 0
4 years ago
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