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bogdanovich [222]
3 years ago
11

Guy decides to get in shape by running. The first day, he runs 1 mile in 12 minutes. Two months later he has decreased

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

Step-by-step explanation:

in two months

Decrease of 25%

so you need to do

25%*12 is 3 minutes

Find the difference from 12 minutes

12-3 is 9 minutes.

therefore, his mile time is 9 minutes in two months

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What is the slope of a line perpendicular to y = 8 - 2/7x?
Salsk061 [2.6K]
The slope of the current line is -2/7. To find the slope of the line perpendicular to it, find the negative reciprocal of the slope. So it would be 7/2. The y intercept or the b would remain the same so the equation would be y=7/2x+8. Hope this helps. 
7 0
3 years ago
Read 2 more answers
The ratio of a dog and cat owners is four to 5 there are 48 dog owners how many cat owners
Verdich [7]

Answer:

60

Step-by-step explanation:

Let the number of dog owners and cat owners be 4x and 5x

4x = 48

x = 48/4

x = 12

Therefore 5x = 5×12

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6 0
3 years ago
The Honda Accord was named the best midsized car for resale value for by the Kelley Blue Book (Kelley Blue Book website). The fi
Marianna [84]

Answer:

hello your question is incomplete below is the complete question

The Honda Accord was named the best midsized car for resale value for by the Kelley Blue Book (Kelley Blue Book website). The file AutoResale contains mileage, age, and selling price for a sample of 33 Honda Accords. Click on the datafile logo to reference the data. The estimated regression equation is Selling price = 20385.25049 - 0.03739 Mileage - 686.33668 age. Round your answers to the nearest dollar. a. Estimate the selling price of a four-year-old Honda Accord with mileage of 40,000 miles.

answer :  ≈ $16144

Step-by-step explanation:

<u>Determine the selling price of a four-year-old Honda Accord with mileage of </u><u>40,000</u><u> miles.</u>

Given data :

Age= 4 year, Mileage=40,000 miles

Hence the selling price

= 20385.25049 - 0.03739 Mileage - 686.33668 age

=  20385.25049 - 0.03739(40,000)  - 686.33668 ( 4 )

= $16144.32

 

4 0
3 years ago
How do I simplify before multiplying
patriot [66]

6x2 = 12

12 / 3 = 4 <span>6=6/1 so you do the numerators x the denominators which is 6x2/1x3=12/3 then simplify and make into a mixed number so final answer is 4</span>

7 0
3 years ago
Clark has a box of nickels and dimes that totals $1.90. there are a total of 27 coins. how many nickels and dimes does he have?
Andrej [43]
$0.05(n) + $0.10(d) = $1.90
n + d = 27
n + d - d =27 - d
n = 27 - d

$0.05(27-d) + $0.10(d) = $1.90
1.35 - 0.05d + 0.10d = $1.90
1.35 +0.05d = $1.90
1.35 - 1.35 +0.05d = $1.90 -1.35
0.05d = 0.55
0.05d/0.05 = 0.55/0.05
d = 11

n = 27 - 11
n = 16

$0.05(16) + $0.10(11) = $1.90
$0.80 + $1.10 = $1.90
$1.90 = $1.90
4 0
3 years ago
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