3 years ago

Random Samples 7th Grade Math

Mathematics

1 answer:

dsp733 years ago

4 0

Answer:

BBB

Step-by-step explanation:

b because they are just kids

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What is the HCF of 21m³n - 14m²n³ + 35m²n² ?

Dominik [7]

Answer:

7m^2n (i think)

Step-by-step explanation:

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3 years ago

Jonathan did 180 situps in 45 second. How many situps did Jonathan do in one second?

Ymorist [56]

Answer:

180/45 = 4/1, he did 4 situps in 1 second.

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A maple tree loses 384 leaves during the first week of fall, and 3/2 as many each successive week. At the end of 7 weeks, all th

Ksenya-84 [330]

Answer:

12,354 leaves

Step-by-step explanation:

Leaves fallen from a maple tree = $\sum_{n=0}^{6}$ = $384(\frac{3}{2} )^{n}$

At the end of 7 weeks

= 384 + 384(1.5) + 384(1.5)² + 384(1.5)³ + 384(1.5)⁴ + 384(1.5)⁵ + 384(1.5)⁶

= 12,354 leaves

12,354 leaves fell from the tree.

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3 years ago

Can some one help me <br>

ira [324]

Answer:

(-2, 3)

Step-by-step explanation:

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3 years ago

In triangle ABC, m A = 55°, m B = 30°, and a = 8. Which equation should you

Andre45 [30]

Answer:

B) sin55/8 = sin30/b

Step-by-step explanation:

AP3X :)

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