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schepotkina [342]

2 years ago

8

what is the unit rate per mile for rosas walking if last week she walked 2 miles in 40 minutes and how many miles would she walk

in 1 hour ?

1 answer:

hammer [34]2 years ago

4 0

Answer:

3 MILES IN A HOUR BECAUSE 20 MIN = 1 MILE

Step-by-step explanation:

PLS MARK BRAINLIEST

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Let a represent the number of ounces of perfume A. Let b represent the number of ounces of perfume B. Perfume A costs $11 per ou

Julli [10]

Answer:

The system of equations in standard form is equal to

$11a+19b=71$

$a+b=5$

The number of ounces of perfume A is $3\ ounces$

The number of ounces of perfume B is $2\ ounces$

Step-by-step explanation:

Let

a-----> the number of ounces of perfume A

b----> the number of ounces of perfume B

we know that

$11a+19b=71$ -----> equation A

$a+b=5$

$a=5-b$ -----> equation B

substitute equation B in equation A and solve for b

$11(5-b)+19b=71$

$55-11b+19b=71$

$8b=71-55$

$8b=16$

$b=2\ ounces$

Find the value of a

$a=5-b$ -----> $a=5-2=3\ ounces$

8 0

2 years ago

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Combine these radicals.<br> -6v100 + V36

olya-2409 [2.1K]

Answer:

-564v

Step-by-step explanation:

6 . 100 = 600

-600v + 36v

= -564v

pls mark brainliest

5 0

3 years ago

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the population in Anna's town was 2,600 last year , this year , the population is 12% greater. what is the population on Anns to

TiliK225 [7]

2912 is the population . when 12% is increase of the Ann's population

5 0

3 years ago

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Which equation represents 4x – 3y = 15 when solved for y

andrey2020 [161]

Answer:

y=4/3x-5

Step-by-step explanation:

4x-3y=15

-4x -4x

______________

-3y=-4x+15

---- --- ---- (divide all by -3)

-3 -3 -3

y=4/3x-5

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2 years ago

Consider f(x) = -(x+7)^2 +4. check all that apply

kirill [66]

-the equation is a quadratic

-the axis of symmetry is x=-7

-the graph has a relative maximum

5 0

3 years ago