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dolphi86 [110]
3 years ago
15

Ellie just got her first cell phone plan. She pays $79 per month plus $150 activation fee. Write the equation to represent the s

ituation​
Mathematics
1 answer:
Brut [27]3 years ago
8 0

Answer:

150+79m

Step-by-step explanation:

$150+$79m (m per month)

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suppose a population of 200 crickets double in size every 4 months. How many crickets will there be after 2 years?
tangare [24]
Well 2 years is 24 months. 24 divided by 4 is 6. 200 multiplied by 6 would equal 1200.

The total population of crickets after two years would be 1200.
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3 years ago
I need help finding the area
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Make drawing (see attachment)
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4 0
3 years ago
Find the angle sum of the irregular polygon using the formula S= 180(n-2).
lesya [120]

Answer:

  720°

Step-by-step explanation:

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7 0
3 years ago
How do you find direct variation. I’m having trouble understanding some of these examples.
Rufina [12.5K]
Direct variation is a relation that has the form

y = kx

where k is the constant of proportionality.

If you are told that a relation is a direct proportion, and you are given one data point, you can find k. The you can write the equation of the direct relation.

Here is an example.
The price of gasoline follows a direct variation.
John bought 5 gallons of gas and paid $15.
a) Write an equation for the relation.
b) Using the relation you found, how much do 13.8 gallons cost?

Solution:
Since the relation is a direct variation, it follows the general equation of a direct variation:

y = kx

We are given one data point, 5 gallons cost $15.
We plug in  5 for x and 15 for y and we find k.

y = kx
15 = k * 5
k = 3

Now that we know that k = 3, we rewrite the relation using our value of k.

y = 3x

This is the answer to part a).

Part b)

We use our relation, y = 3x, and we plug in 13.8 into x and find y.

y = 3x

y = 3 * 13.8

y = 41.4

The price of 15 gallons of gas is $41.40.
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3 years ago
What is the value for x when solving the equation −x + (−3) = x + 3 using algebra tiles?
denpristay [2]

Answer:

-3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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