3 years ago

Please help em!!! I need an answer fast

Mathematics

1 answer:

DerKrebs [107]3 years ago

3 0

You divide the area and the base

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A coin collection is made up of 34 coins comprised of nickels and dimes. The total value of the collection is $1.90. How many di

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Answer:

x = nickels

y= dimes

x + y = 34

.05x + .10y= $1.90

-.10x - .10y = -3.40

-.05x + .10y = 1.90

-.05x = -1.50

x = 30 nickels

30 + y = 34

y = 4 dimes

(3,4)

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3 years ago

Find the range of the relation below, then determine whether the relation is a function.

Morgarella [4.7K]

Answer:

Step-by-step explanation:

It is a function because it passes the vertical line test and Xs do not repeat, then count out the Y-values which are the range.

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3 years ago

Kamila buys a notebook for $1.59 and pens for $0.29 each. She spends $5.07.

emmasim [6.3K]

Answer:

12 pens

Step-by-step explanation:

Let the variable that can be used to determine the number of pens that Kamila bought be represented by n.

Price of a notebook = $1.59

Price a pen = $0.29

Total amount spent = $5.07

But,

1.59 + 0.29 n = 5.07

So that,

0.29 n = 5.07 - 1.59

0.29 n = 3.48

n = $\frac{3.48}{0.29}$

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Therefore, Kamila bought 12 pens.

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3 years ago

What is the value of x which proves that the runways are parallel? What is the measure of the larger angle? (evidently the answe

romanna [79]

I feel like the answer is C

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3 years ago

Need help ASAP DUE SOON AND PLEASE SHOW WORk!!!!

Svetradugi [14.3K]

Answer:

87.92 inches cubed or 87.92 in.^3

Step-by-step explanation:

The base of a cylinder is a circle, so we need to calculate the area of the circle first. The equation for the area of a circle is:

area (a) = pi * r^2 =3.14*2*2 =12.56sq.inches

again,

volume of cylinder = area of the base * the height

= 12.56 * 7

= 87.92 inches cubed or 87.92 in.^3

5 0

3 years ago