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vodomira [7]
3 years ago
11

Multiply. −(−9x4−5x2+2x +13) Express the answer in standard form. Enter your answer in the box.

Mathematics
1 answer:
VikaD [51]3 years ago
7 0

Answer:

9x^4+5x^2-2x-13

Step-by-step explanation:

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Steven paid $10,000 in interest on a 5 year loan on $10,000. What was the interest rate he paid on the loan?
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3 years ago
Given: m
Nutka1998 [239]

Answer:

m\angle MEJ=25^{\circ}.

Step-by-step explanation:

The arcs LY, KM, KL and MJ together form the full revolution angle, thus

4x+50^{\circ}+6x+x+10^{\circ}+4x=360^{\circ},\\ \\15x=300^{\circ},\\ \\x=20^{\circ}.

Note that

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In triangle EML,

m\angle MEL+m\angle EML+m\angle ELM=180^{\circ},\\ \\m\angle MEL=180^{\circ}-15^{\circ}-140^{\circ}=25^{\circ}.

Thus, m\angle MEJ=25^{\circ}.

7 0
3 years ago
What number is 80% of 390?
sukhopar [10]

Answer:

312

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7 0
3 years ago
Read 2 more answers
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