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3 years ago

What is x+y <3 (0,0)

Mathematics

1 answer:

larisa [96]3 years ago

3 0

The expression is a bit invalid. You can't add variables by variables.

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A fifth grade class wants to buy their teacher a present that costs 79.75. The students have decided to each contribute $2.75. H

Nutka1998 [239]

29 students have to be in the class. If 29 students each pay 2.75, they will raise up 79.75 dollars! :)

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3 years ago

75/5-(4-1)^2. PLZZZZ ANSWER THIS

tia_tia [17]

75/5-(4-1)^2

75 / 5 = 15

15-(4-1)^2

15-3^2

answer: 6

3 0

3 years ago

How do i do this type of slope?

nalin [4]

Answer:

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Step-by-step explanation:

4 0

3 years ago

I need help please!!!

vazorg [7]

963i think its probaly wrong

6 0

3 years ago

Karen earns $54.60 for working 6 hours. If the amount she earns varies directly with the

Andrei [34K]

Given:

Karen earns $54.60 for working 6 hours.

Amount she earns varies directly with the number of hours she works.

She need to work to earn an additional $260.

To find:

Number of hours she need to work to earn an additional $260.

Solution:

Let the amount of earnings be A and number of hours be t.

According to question,

$A\propto t$

$A=kt$ ...(i)

where, k is constant of proportionality.

Karen earns $54.60 for working 6 hours.

$54.60=k(6)$

Divide both sides by 6.

$\dfrac{54.60}{6}=k$

$9.1=k$

Put k=9.1 in (i).

$A=9.1t$

Substitute A=260 in the above equation.

$260=9.1t$

Divide both sides by 9.1.

$\dfrac{260}{9.1}=t$

$28.5714=t$

$t\approx 29$

Therefore, she need to work extra about 29 hours to earn an additional $260.

3 0

2 years ago