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natima [27]
3 years ago
7

Simplify (a^2b^-3/4)^-2

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0
First distribute the outside negative 2 to each number and multiply u should get -2a * -4b* 6/4 and there u go it's simplified but teachers are very EXTRA in middle school and want an explanation so u should say sumthin like "there were no like terms meaning you can't simplify any further"
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What does n^9/n^5 equal
vovangra [49]

Answer:

n^4

Step-by-step explanation:

Rule:

\dfrac{a^m}{a^n} = a^{m - n}

Your problem:

\dfrac{n^9}{n^5} = n^{9 - 5} = n^4

4 0
4 years ago
6. Joe runs 3/4 mile in 1/2 hour. Find his average speed in miles per hour.
son4ous [18]

Answer:

1.5 MPH

Step-by-step explanation:

3/4 = 0.75

3/4 x 2 = 0.75 x 2 = 1.5

3 0
3 years ago
The perimeter of a circular garden is 440m. A path 1.4m runs inside the park. find the cost of gravelling the path at the rate o
AfilCa [17]

Answer:

Cost = Rs. 6095.95

Step-by-step explanation:

We are given the perimeter as 440m.

Mow,perimeter of a circle is also called circumference.

Formula for circumference of a circle is;

C = 2πR

Thus:

2πR = 440

R = 440/2π

R = 70 m

We are told that A path 1.4m runs inside the park. Thus radius of smaller circle: r = 70 - 1.4 = 68.6 m

Area of larger circle: A1 = πR² = π(70²)

A1 = 4900π

Area of smaller circle: A2 = πr² = π(68.6²)

A2 = 4705.96π

Area of path = A1 - A2

Area of path = 4900π - 4705.96π

Area of path = 194.04π Sq.m

We want to find the cost of gravelling the path at the rate of Rs.100 per square meter.

Thus;

Cost = 100 × 194.04π

Cost = Rs. 6095.95

3 0
3 years ago
the coal utility company is burning coal to produce electricity. the following cost function illustrates the cost in dollars (C’
Kobotan [32]

Answer:

Step-by-step explanation:

The cost continues to increase.

6 0
3 years ago
Read 2 more answers
diana worked on her science project for 5 1/3 hours. gabe worked on his science project 1 1/4 times as long as diana. paula work
solmaris [256]
Time taken by Diana to finish her project is 5 1/3 hours
Gabe took 1 1/4 times as long as Diana, therefore Gabes time will be:
1 1/4 × 5 1/3
=5/4 × 16/3
=20/3
=6 2/3 hours

Paula took 3/4 times as long as Diana, therefore time taken by Paula will be:
3/4 × 16/3
=4 hours
5 0
3 years ago
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