3 years ago

Which equation is a proportion?

Mathematics

1 answer:

Aloiza [94]3 years ago

3 0

The answe is the last one hope this helps

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Give the rate in miles per hour. Round to the nearest tenth. Dev jogs 8 1/2 miles in 1 1/2 hours

andrew11 [14]

Answer:

$R=\dfrac{17}{3}\ \text{miles/hour}$

Step-by-step explanation:

It is given that,

Distance covered, $d=8\dfrac{1}{2}\ \text{miles}$

Time taken, $t=1\dfrac{1}{2}\ \text{hours}$

We need to find the rate in miles per hour. It can be calculated by dividing distance covered and time taken as follows :

$R=\dfrac{8\dfrac{1}{2}\ \text{miles}}{1\dfrac{1}{2}\ \text{hour}}\\\\R=\dfrac{\dfrac{17}{2}}{\dfrac{3}{2}}\\\\R=\dfrac{17}{3}\ \text{miles/hour}$

Hence, Dev jogs at the rate of $\dfrac{17}{3}\ \text{miles/hour}$ .

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3 years ago

Study the sequences (0, 6, 12, 18, 24, . . .) and (1, 6, 36, 216, 1,296, . . .), and answer these questions:

zvonat [6]

the first one

I don't know the last one

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2 years ago

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the school band will sell pizzas to raise money for new uniforms. the supplier charges $100 plus $4 per pizza. if the band membe

den301095 [7]

Answer:

Step-by-step explanation:

7 x > 4 x + 100

7 x - 4 x > 100

3 x > 100

x > 100 : 3

x > 33.33

<u><em>Answer: they have to sell 34 pizzas to make a profit. </em></u>

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3 years ago

The side of the triangle below husband expanded to form next year year angle of a 127ﾟ find the value of x

STatiana [176]

Answer:

$x = 53$

Step-by-step explanation:

Given

See attachment for triangle

Required

Find x

From the attachment, we have x and 127 on a straight line.

So, we have:

$x + 127 = 180$ --- angle on a straight line

Subtract 127 from both sides

$x + 127 - 127 = 180-127$

$x = 180-127$

$x = 53$

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3 years ago

12. You have $10 to spend on charms and stickers. The equation

ANEK [815]

Answer:

Step-by-step explanation:

i looked it up

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2 years ago

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