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3 years ago

I need help Finding the perimeter of a towel that measures 2 feet by 34 foot

Mathematics

1 answer:

valentinak56 [21]3 years ago

6 0

Answer:

72 feet

Step-by-step explanation:

multiply 34 by 2 (because there is 2 sides), and multiply 2 by 2 (because there is 2 sides), and you'll get 68 and 4. add them together, and you'll get 72.

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Which is the graph of f(x)=1/4(4)^x

PSYCHO15rus [73]

Your graph should look something like the one below, an exponential function (this is because your are raising a number to the power of x.

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3 years ago

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Which of the following graphs shows the solution to the system of equations y=5x-1 and y= x+3

lubasha [3.4K]

Where are the graphs?

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3 years ago

The average of 7 numbers is 60. The average of the first three numbers is 50, while the average of the last three is 70. What mu

Svetradugi [14.3K]

From the last two facts, we get

$\dfrac{x_1+x_2+x_3}3=50\implies\dfrac{x_1+x_2+x_3}7=\dfrac{150}7$

$\dfrac{x_5+x_6+x_7}3=70\implies\dfrac{x_5+x_6+x_7}7=30$

Then

$\dfrac{x_1+x_2+\cdots+x_6+x_7}7=60\implies\dfrac{x_4}7=60-\dfrac{150}7-30\implies\boxed{x_4=60}$

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3 years ago

Find the area of a rectangle with length (x- 3) and width (x + 5).

Anarel [89]

Answer:

x^2+2x-15

Step-by-step explanation:

A=L*W

A=(x-3)(x+5)

A=x^2+5x-3x-15

A=x^2+2x-15

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3 years ago

If gasoline costs 1.50 euros per liter it will cost how much to drive 220 kilometers

jok3333 [9.3K]

Answer:

$11.79\ euros$

Step-by-step explanation:

The complete question is

Suppose that a new fuel-efficient European car travels an average of 28 kilometers on 1 liter of gasoline. If gasoline costs 1.50 euros per liter, how much will it cost to drive 220 kilometers ?

step 1

using proportion

Find out the number of liters of gasoline needed for 220 kilometers

$\frac{28}{1}\ \frac{Km}{L}=\frac{220}{x}\ \frac{Km}{L}\\\\x=220/28\\\\x=7.86\ L$

step 2

Find the cost to drive 220 kilometers

Multiply the cost of one liter of gasoline by the total liters of gasoline needed to travel 220 Km

$1.50(7.86)=11.79\ euros$

6 0

2 years ago