1) Andrea rents a bike for a day. The rental charges can be determined by

Mathematics

1 answer:

iris [78.8K]3 years ago

7 0

Answer:

$0.5

Step-by-step explanation:

We have been given an equation $R=\$0.5d$ , where R is rental charges and d is number of days Andrea rents the bike. We are asked to find the unit rate.

We know that unit rate represents the ratio between two different quantities. Unit rate represents how many units of one quantity are equal to one unit of another quantity.

Let us divide both sides of given equation by d:

$\frac{R}{d}=\frac{\$0.5d}{r}\\\\\frac{R}{d}=\$0.5$

Therefore, the unit rate for our given problem would be $0.5, which represents rental charges per day.

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In 3-4 sentences, describe how you would find a line parallel to the line 2x + 5y = 15 that goes through the point (-10, 1). Be

larisa86 [58]

the parallel line is 2x+5y+15=0.

Step-by-step explanation:

ok I hope it will work

soo,

Solution

given,

given parallel line 2x+5y=15

which goes through the point (-10,1)

now,

let 2x+5y=15 be equation no.1

then the line which is parallel to the equation 1st

2 x+5y+k = 0 let it be equation no.2

now the equation no.2 passes through the point (-10,1)

or, 2x+5y+k =0

or, 2*-10+5*1+k= 0

or, -20+5+k= 0

or, -15+k= 0

or, k= 15

putting the value of k in equation no.2 we get,

or, 2x+5y+k=0

or, 2x+5y+15=0

which is a required line.

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1 year ago

2 tenths is equal to____ fifths

Sunny_sXe [5.5K]

To solve this, it is easiest to set up a proportion, letting x represent the number that we don't know.

2/10 = x/5

Now, we can use cross products to simplify this proportion. Cross products sets the products of the numerator and denominator of separate fractions equal to one another. It results in the equation:

(5)(2) = (10)(x)

Let's multiply out these numbers to further simplify the equation.

10 = 10x

Finally, we have to divide both sides by 10, to get our variable x alone

x = 1

Therefore, 2 tenths is equal to 1 fifth.

5 0

3 years ago

Read 2 more answers

The length of a rectangular garden is 7ft more than the width. The perimeter is 50 ft. Find the width.

Vilka [71]

<h2>Answer:</h2>

<h2>Step-by-step explanation:</h2>

<em>Hope this helps, here is the answer please mark Brainliest.</em>