2 years ago

Determine whether each sequence appears to be an arithmetic

Mathematics

1 answer:

Gnoma [55]2 years ago

3 0

It’s not arithmetic

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Solve the system of equations x + y = 0 and x + 9y= -48 by combing the eqatuons

lidiya [134]

Answer:

x = 6

y = -6

Step-by-step explanation:

x + y = 0 (Multiply by -1)

x + 9y= -48

-x - y = 0

x + 9y= -48

8y = -48

y = -6

x + y = 0

x - 6 = 0

x = 6

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2 years ago

Help Me | It says: Multiply by the ones. Regroup if needed. Then It says: 2x6 ones = ? Ones or ? Ten and ? Ones | 2x4 tens = ? T

Marianna [84]

2×6 ones= 12 ones
2× 4 tens(40)=80(8 tens)
tens(10)+1 ten=20(2 tens)
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2 years ago

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The morning absentee report shows that 15% of the students are absent. There are 1360 students enrolled in the school. how many

Murrr4er [49]

In order to find the answer you multiply 1360 by .15 and you get the answer of 204. So 204 students are absent.

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2 years ago

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An airplane on autopilot took 8 hours to travel 5,744 kilometers. What is the unit rate for kilometers per hour?

guajiro [1.7K]

Answer:718 kilometers per hour

Step-by-step explanation:

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A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area f

otez555 [7]

Answer:

The sprinkler can spread water 18 feet away.

Step-by-step explanation:

We are given the following in the question:

Area formed by watering pattern = 1,017.36 square feet

We have to find the how far the sprinkler spread the water.

The sprinkler covers a circular area. We need to find the radius of this circular area to find the how far the sprinkler spread the water.

Area of circle = $A = \pi r^2$

Putting values, we get:

$1017.36 = 3.14 r^2\\\\r^2 = \dfrac{1017.36}{3.14}\\\\r^2 = 324\\r = \sqrt{324} = 18\text{ feet}$

Therefore, the sprinkler can spread water 18 feet away.

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2 years ago