3 years ago

Please help I need it done as in right now

Mathematics

1 answer:

Vlad [161]3 years ago

4 0

I think it is letter c

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Please help with this

snow_lady [41]

Answer:

B. $- \frac{9}{8}$

Step-by-step explanation:

$\huge\frac{ - 2 {a}^{ - 3} {b}^{2} }{a} \\ \\ \huge = \frac{ - 2 {b}^{2} }{a \times{a}^{ 3} } \\ \\ \huge = \frac{ - 2 {b}^{2} }{{a}^{ 4} } \\ \\ \huge = \frac{ - 2 \times {3}^{2} }{ {( - 2)}^{4} } \\ \\ \huge= \frac{ - 2 \times 9}{16} \\ \\ \huge \red{= - \frac{9}{8} }$

8 0

2 years ago

What is X if Y is 12.8 and Z is 16 in the right triangle below?

Natalija [7]

Answer:

Im 90% sure its H.

Step-by-step explanation:

7 0

2 years ago

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What's 221 rounded to the nearest 10

ycow [4]

It would be 220 rounded to the nearest ten because the number in the ones place does not equal or exceed 5.

So 220 is your answer :)

4 0

3 years ago

Order the following numbers from greatest to least

Kazeer [188]

The square root of 7: 2.64575
-0.3
(-7/4)= -1.75
0.1
Square root of3: 1.73205

greatest to least: (-7/4), -0.3, 0.1, square root of 3, square root of 7

7 0

3 years ago

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Abigail flipped a coin 20 times, and it landed with heads facing up 13 times. What percent of the coin flips landed with heads f

DIA [1.3K]

65% of the coins flipped landed with heads facing up because 13 were faced up out of 20.

Divide:
13/20=0.65=65%

Hope this helped☺☺

5 0

3 years ago