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3 years ago

How to simplify (-2a^2b^-3/a^-4b^-5)^-3 ?

Mathematics

2 answers:

allochka39001 [22]3 years ago

7 0

I hope this helps you

brilliants [131]3 years ago

6 0

Get the app photomath. All you do is hold your phone over the equation and it Will scan it then give you the answers, it shows the steps too.

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A person runs 1/5 miles in 1/40<br> Hour The person's speed is<br> miles per hour.

Minchanka [31]

Answer:

1/5 × 40 = 8

the person's speed is 8 miles per hour

5 0

3 years ago

Find the sum of the following ap .1) 1/15, 1/12, 1/10,....,to 11 terms

sertanlavr [38]

Answer:

33/20

Step-by-step explanation:

1/12 - 1/15 = 5/60 - 4/60 = 1/60

d = 1/60

a_n = a_1 + d(n - 1)

a_11 = 1/15 + (1/60)(11 - 1)

a_11 = 1/15 + 1/6

a_11 = 4/60 + 10/60

a_11 = 14/60

a_11 = 7/30

a_12 = 14/60 + 1/60

a_12 = 15/60

a_12 = 1/4

s_n = n(a_1 + a_n)/2

s_11 = 11(1/15 + 7/30)/2

s_11 = 11(2/30 + 7/30)/2

s_11 = 11(9/30)/2

s_11 = 99/60

s_11 = 33/20

8 0

3 years ago

Answer the question below please.

defon

I think A is the answer

7 0

4 years ago

Find the area of a triangle with a base length of 3 units and a height of 4 units.

svetlana [45]

Answer:

$6$ square units

Step-by-step explanation:

The area of a triangle can be calculated by multiplying the triangle's base by its height, and then dividing the result by $2$ . As an algebraic expression, this would be $\frac{bh}{2}$ , where $b$ is the triangle's base and $h$ is the triangle's height. In this case, we know that $b=3$ and $h=4$ . Therefore, the area of this triangle is $\frac{3*4}{2} =\frac{12}{2} =6$ square units. Hope this helps!