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Nutka1998 [239]
2 years ago
15

Find the missing value so that the two points have a slope of -3/10 (x,-8) and (-5,-5)

Mathematics
1 answer:
rosijanka [135]2 years ago
4 0

Answer:

5

Step-by-step explanation:

The slope is given by

m = (y2-y1)/(x2-x1)

-3/10 = (-5--8)/(-5-x)

-3/10 = (-5+8)/(-5-x)

Using cross multiplication

-3 (-5-x) = 10*(-5+8)

Simplify

-3(-5-x) =10(3)

Divide by -3

-3/-3(-5-x) =10(3)/-3

-5-x = -10

Add 5 to each side

-5-x+5 = -10+5

-x=-5

Divide by -1

x=5

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The cost of providing water bottles at a high school football game is $35 for the rental of the coolers and $0.50 per bottle
zloy xaker [14]

The cost function is an illustration of a linear function

The equation of the cost function is C(x) = 35 + 0.5x

The given parameters are:

Rentals = 35 -- the cost of renting a cooler

Rate = 0.5 --- the rate per bottle

Assume the number of bottles in a cooler is x.

The cost function for the bottles in a cooler would be:

C(x) = Rentals + Rate \times x

So, we have:

C(x) = 35 + 0.5\times x

Evaluate the products

C(x) = 35 + 0.5x

Hence, the equation is C(x) = 35 + 0.5x

Read more about linear functions at:

brainly.com/question/15602982

7 0
2 years ago
What number has a 9 with a value ten times as many as the 9 in 39,154
Tomtit [17]

Answer:

Any number with 9 in the ten-thousands place. 90,000 is one such number.

Step-by-step explanation:

The 9 in 39,154 is in the thousands place. Its value is 9,000. In order for the 9 in a number to have a value 10 times that, or 90,000, the 9 must be in the ten-thousands place.

There are an infinite number of such numbers. We suspect you have a list you are to choose from. Pick the number with 9 where it is in the number 90,000.

8 0
2 years ago
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VLD [36.1K]

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22

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Step-by-step explanation:

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The region bounded by the given curves is rotated about the specified axis. find the volume v of the resulting solid by any meth
makkiz [27]
Consider, pls, the suggested option (see the attachment).

6 0
3 years ago
How do you work this out
oksian1 [2.3K]

Answer:

Below.

Step-by-step explanation:

To find the number of students in each grade you multiply the marks by the frequency density. The number of students is given by the area under the  rectangles.

So to find the number of students with grade U (< 160)  it is:

120 * 0.2 + 40*0.5

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= 44.

The number for Grade E

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= 40 * 0.5

= 20.

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6 0
3 years ago
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