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Elenna [48]
3 years ago
5

find the x intercept of the graph of the equation y equals -2.65 x + 25. what does the x intercept mean in terms of the situatio

n

Mathematics
1 answer:
natali 33 [55]3 years ago
3 0
Ok so we can see for every 2 cups of medium coffee, the balance goes down 5.30$. So that means that for every coffee, her balance goes down 2.65$. Solving for the x-intercept means how many medium coffees can I get until my balance is 0. First, we have to find the y-int so it's easy. The slope is -2.65 because for every medium coffee, her balance goes down 2.65$. So we have y=-2.65x+b. Plugging in any point, I choose (4,14.40), we get 14.4 = -2.65 × 4 +b. Solving for b we get 25 for the y intercept, meaning the equation is y = -2.65x + 25 . To find the x intercept, we set y=0. So we have 0 = -2.65x+25. Solving for x we get approx. 9.4. We can't have decimals so we round down to 9. So the x int is ≈ 9.4 meaning we can only buy 9 coffee and have a little extra. But, if the problem said how many more coffees can she get, then here is how we do it. Since she already got 4 coffees, and the max is 9, we do 9-4 and we get 5, so she can buy 5 coffeed more.
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Use the picture for the question and the answer choices:)
Orlov [11]

Parenthesis first 5-2=3.

7^2=49

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49-9=40.

A is your answer.


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k0ka [10]

Answer:

The answer is mean

Step-by-step explanation:

The mean is the average cost of the socks, so finding the mean of both would give an average price to compare them to. :)

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3 years ago
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PtichkaEL [24]

Answer:

1 : 3000

Step-by-step explanation:

Given that:

Scale measurement as following:

4 centimeters are equal to 120 meters.

To find:

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Solution:

First of all, let us learn about the definition of scale factor.

Scale factor means 1 unit on scale is equal to what length of actual measurement.

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We need to find nothing but how much 1 cm of scale is equal to actual length.

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Dividing by 4 on both sides, we get:

\frac{4}{4} = 1 cm of scale = \frac{12000}{4} = 3000 cm of actual length

Therefore, the scale factor is <em>1 : 3000</em>

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2 years ago
What is 9540000 in expanded form using exponents to show powers of 10
GalinKa [24]
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3 0
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a used automobile dealership recently reduced the price of a used compact car by 10 % if the price of the car before discount wa
Delvig [45]

Answer: The new price is $3350.


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