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3 years ago

One hundred middle school students take a survey that asks them about their fruit preferences. Thirty-seven out

Mathematics

2 answers:

valentina_108 [34]3 years ago

8 0

Answer:

37%

Step-by-step explanation:

ludmilkaskok [199]3 years ago

4 0

Answer:

37%

Step-by-step explanation:

think of 100 students as 100 percent because 100 is the total number of students! 37 is 37 % of 100

please mark brainliest and have a great day!

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The initial cost of an office fax machine is $100. After 1 year, its value becomes $80. Which is the correct linear depreciation

Elis [28]

Answer:

$y=100-20x$

Step-by-step explanation:

Let the x-axis be the time (in years) and the y-axis the value of the fax machine (in dollars).

We know that the initial value of the fax machine is $100; in other words, when the time is zero years, the value is $100, or as an ordered pair (0, 100). We also know that after 1 year the value decreases to $80, so (1, 80).

Now we can find the slope of the line passing through those two points using the slope formula

$m=\frac{y_2-y_1}{x_2-x_1}$

where

$m$ is the slope

$(x_1,y_1)$ are the coordinates of the first point

$(x_2,y_2)$ are the coordinates of the second point

Replacing values:

$m=\frac{80-100}{1-0}$

$m=-20$

Now, to complete our model we are using the point slope formula

$y-y_1=m(x-x_1)$

where

$m$ is the slope

$(x_1,y_1)$ are the coordinates of the first point

Replacing values:

$y-100=-20(x-0)$

$y-100=-20x$

$y=-20x+100$

$y=100-20x$

We can conclude that the correct linear depreciation model is $y=100-20x$

7 0

3 years ago

Sue used the equation y=10x to calculate how much money, y, she would make for babysitting x hours. How many hours did Sue babys

kkurt [141]

Y = 10x

Plug in $260 for y.

260 = 10x
Divide by 10.

x = 26

Sue babysat for 26 hours.

5 0

4 years ago

Mrs. lama marked a price of a cosmetic item 25% above it's cost price. if the cost price of the cosmetic item was 4400, at what

Alexeev081 [22]

Answer:

hi dear I suppose the answer would be 6271$

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2 years ago

Select all names that apply to the number. 0

Sliva [168]

There is multiple names it has, like for example “Zero” and in British English it is “nought” which is often used as an archaic word for nothing, I hope this help’s.

7 0

2 years ago

I need help with this

Volgvan

Answer:

72 pi + 48 pi= 120pi (not sure if I am right tho)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers