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Alex_Xolod [135]

3 years ago

12

Debbie set a goal to run 6 miles. On Monday she ran 2.6 miles and on Tuesday she ran 1.75 miles. How far would Debbie need to ru

n on Wednesday to reach her goal?

1 answer:

Makovka662 [10]3 years ago

7 0

She will need to run 1.65 to reach her go

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Eight less than the product of two and a number x xx.

avanturin [10]

2x -8 that’s how u write it in an expression

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3 years ago

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johnny must learn more than 10 new plays before the big game. He has already learned 4. Write an inequality that represents how

saul85 [17]

He needs to learn >10 new plays, but has already learned 4. Therefore, the inequality is x+4>10, where x is the amount of new plays he must learn, 4 is the amount he has already learned and >10 (more than 10) is the amount of plays he needs to learn in total.
x+4>10
x>6 is the solved inequality

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Calculate the total cost, including 7.5% sales tax, of a $189.99 tool set.

Fantom [35]

Answer:

204.24

Step-by-step explanation:

189.99 x .075 = 14.25 cents tax

189.99 + 14.25 = 204.24

7 0

3 years ago

Pedro prepared 16 kilograms of dough after working 2 hours. How much dough did Pedro prepare if he worked for 9 hours?

koban [17]

Answer:

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Step-by-step explanation:

6 0

3 years ago

zvonat [6]

Answer:

$(\frac{5}{7},\frac{12}{7})$

Step-by-step explanation:

The given system is

$5x+2y=7$

$y=x+1$

We substitute the bottom equation into the top equation to get:

$5x+2(x+1)=7$

Expand to get:

$5x+2x+2=7$

Group similar terms:

$5x+2x=7-2$

Combine similar terms:

$7x=5$

$x=\frac{5}{7}$

Put $x=\frac{5}{7}$ into the bottom equation

$y=\frac{5}{7}+1$

$y=\frac{5+7}{7}$

$y=\frac{12}{7}$

The solution is

$(\frac{5}{7},\frac{12}{7})$

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3 years ago

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