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Kitty [74]
3 years ago
9

PLZ HELP ME PLZZZ THIS IS 40% of my grade

Mathematics
2 answers:
siniylev [52]3 years ago
6 0

Answer:

the length of side r is 6.

Step-by-step explanation:

so the bottom is 12 and the smaller trap is 8 and the top is 4 so it would be half of the bottom.

Salsk061 [2.6K]3 years ago
4 0
I think it’s 8 but plz double check
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Sunny_sXe [5.5K]
It’s -1 I think I’m not sure tbh
4 0
3 years ago
Evaluate.<br> 10 • (-4)<br> Enter your answer in the box.
wolverine [178]

Answer:

it is -40

Step-by-step explanation:

yes yes right????

4 0
3 years ago
Read 2 more answers
12. The geographic grid apportions the globe into hemispheres of 180 lines of longitude. Based on your knowledge of basic geomet
ANEK [815]

Answer:

For the first question, 180 degrees equals to a half of the sphere. For the second question, you need 24 central meridians for a complete sphere, which are exactly the hours in a day.

Step-by-step explanation:

A sphere is basically a 3D circle. As a circle has 360 degrees, 180 degrees would be half of a circle. Imagine you are on a satellite over the north pole or the south pole and you have a way to cut the earth by the middle. You will get two halves of sphere.

About the second question, you may need to have in mind that a day is the time spent for the earth to rotate all 360 degrees over its own axis. British fellow, on XIX century, decided they were the center of the world. As previously, back in the days, some other people decided a day had 24 hours, they decided to draw this lines and divide the earth in 24 pieces, so they could knew which time was on every point their extense kingdom had.  As I said, a circle has 360 degrees, (360 degrees)/(24 hours) equals to 15 degrees.

5 0
3 years ago
What is the degree of the polynomial below?<br><br> 4x^3+3x^2+6x+5
lidiya [134]

Answer:

  3

Step-by-step explanation:

The largest exponent is 3. That is the degree of this polynomial.

The degree is 3.

6 0
3 years ago
Can y’all help me on question 11?!
Shtirlitz [24]

Answer:

a

Step-by-step explanation:

if there are zero two's, then it is zero

6 0
3 years ago
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