3 years ago

Please help this might be easy for some people but I’m just not smart

Mathematics

1 answer:

Verizon [17]3 years ago

7 0

Answer: D:(-1,4)

R:(-4,4)

Step-by-step explanation:

I hope that correct

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Noelle has set a goal to run more than 50 mi this month. So far, she has run 10 mi. Her average running speed is 5 mph.

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Answer:

To meet her goal, Noelle must run more than $8\ hours$ the rest of the month

Step-by-step explanation:

Let

h-------> the number of hours Noelle runs for the rest of the month

we know that

The inequality that represent the situation is

$10+5h>50$

Solve for h

Subtract 10 both sides

$5h> 50-10$

$5h> 40$

Divide by 5 both sides

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Step-by-step explanation:

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Which is the completely factored from of xy^3-x^3y

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$xy(y+x)(y-x)$

Step-by-step explanation:

To factor the expression, remove the greatest common factor or GCF from each term. Both terms share in common xy. The expression becomes:

$xy^3-x^3y\\xy(y^2-x^2)$

What remains in the parenthesis is a different of perfect squares. Factor the difference of perfect squares into two binomials of the form (x+a)(x-a) where a is the square root of $(x^2-a^2)$ .

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3 years ago

Need help asap please

Veronika [31]

Answer:

-3.4

Step-by-step explanation:

-26=10A+8

-26-8=10A

-34=10A

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