3 years ago

Why is this app not working?

Mathematics

2 answers:

Harrizon [31]3 years ago

8 0

What do you mean? People not answering?

Aloiza [94]3 years ago

3 0

Answer:

try restarting it or re downloading

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Simplify (4.5)(5)(−2). 45 4.5 −4.5 −45

Zina [86]

Answer:

-45

Step-by-step explanation:

(4.5)(5)(-2)=-45

therefore the answer would be the fourth option which is -45

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3 years ago

A local tree farm is donating 50 trees. The students will plant some of the trees at the school and the rest at the library.

Alex17521 [72]

Answer:

Step-by-step explanation:

First you know they have 50 trees. Then, you know 3 of 25 will die.

25*2=50. 3*2=6.

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3 years ago

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wariber [46]

I think it is D but i am not too sure

3 0

3 years ago

Can someone help me please!!

Kisachek [45]

9514 1404 393

Answer:

AE = CE = 23; BE = DE = 20

Step-by-step explanation:

Put the values of the variables in their place and do the arithmetic.

AE = 2u+5 = 2(9) +5 = 23

BE = 6v-1 = 6(3.5) -1 = 20

CE = 3u-4 = 3(9) -4 = 23

DE = 8v-8 = 8(3.5) -8 = 20

The diagonals cross at their midpoints, so the quadrilateral is a parallelogram.

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