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tatyana61 [14]
3 years ago
5

PLEASE HELP ASAP! I WILL GIVE BRAINLIEST!

Mathematics
2 answers:
olga_2 [115]3 years ago
6 0
In 75 minutes you travelled 30 kilometers, so the rate is 30/75=0.4km/minute

another way is to use the two points to find the slope: m=(30-0)/(75-0)=0.4
lisov135 [29]3 years ago
4 0

Answer:

Option B is correct.

Unit rate = 0.40 km/min

Step-by-step explanation:

Given : A graph with a line running through coordinates (0,0) and coordinates (75, 30).

Here, y represents the distance traveled in km and x represents the number of minutes.

Find the slope of the line:

Slope(m)= \frac{change in y-axis}{change in x-axis} = \frac{y_2-y_1}{x_2-x_1}

Given points: (0, 0) and (75, 30)

then;

m = \frac{30-0}{75-0} = \frac{30}{75} =0.40 km/min

Since, unit rate is also the slope of the graph.

Therefore, unit rate(in km/min) = 0.40 km/min

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If the cost of making 20 copies is $1.30, how much will 1 copy cost?
Norma-Jean [14]

Answer:

6,5

Step-by-step explanation:

1 dollar 30 cent = 130 cent

20 copies=130

1 copy=130/20=6,5

8 0
3 years ago
Kelly wants to buy a dress that costs $40.00. She has a coupon for 25% off, and
Sophie [7]

A percentage is a way to describe a part of a whole. The amount that Kelly will pay for the dress is $33.

<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given Kelly wants to buy a dress that costs $40.00. She has a coupon for 25% off, and there is a 10% sales tax. Therefore, the amount she will pay is,

25% of $40.00 is,

0.25 × $40 = $10

After using the coupon, the sale price is,

$40 - $10 = $30

The 10% tax on the sale price is,

0.10 × $30 = $3

The final price is $

$30 + $3 = $33

Hence, the amount that Kelly will pay for the dress is $33.

Learn more about Percentages:

brainly.com/question/6972121

#SPJ1

3 0
2 years ago
Serena wants to make snack bags for a trip she is going on. She has 12 granola bars and 30 pieces of dried fruit. If the snack b
Masja [62]
6 even bags: 2 granola bars and 5 pieces of dried fruit per bag
8 0
2 years ago
Order the values from least to greatest -1,|5|,|4|,8,|-1|​
nydimaria [60]

Answer:

-1, -1, 4, 5, 8

Step-by-step explanation:

4 0
3 years ago
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A typical red blood cell in human blood has a diameter of approximately 0.0007 cm. Enter this diameter in scientific notation.
jonny [76]

Answer:

7-E -4

Step-by-step explanation:

My school supplyes us with a calculator and lucky for you it does scientific notation

8 0
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