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polet [3.4K]
2 years ago
12

Find the function value f(-8) f(x)=6x-1

Mathematics
1 answer:
Volgvan2 years ago
5 0

Step-by-step explanation:

-8=6x-1

You will move the-8 to the right hand side which will become +8 and then you move+6x to the right hand side which will become -6x

-6x=-1+8

-6x=7

You will divide both sides by-6

-6x/-6=7/-6

x=7/-6

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Answer:

Carl has to sell at least 8 cookies.

c\geq 7.5

Step-by-step explanation:

Carl gets \$1.50 by selling 1 chocolate bar.

Earning from chocolate bars:

Total\ chocolate\ bar=20\\\\Earning\ from\ one\ chocolate\ bar=\$1.50\\\\Total\ earning\ from\ chocolate\ bar=Total\ chocolate\ bar\times cost\ of\ 1\ chocolate\ bar=20\times 1.5=\$30

Earning From cookies:

Let\ total\ number\ of\ cookies=c\\\\Cost\ of\ 1\ cookie=\$2\\\\Earning\ from\ cookies=2\times c=2c

Total\ earning=Earning\ from\ cookies+Earning\ from\ cookies+Earning\ from\ chocolate\ bars\\\\Total\ earning=30+2c

Carl wants to raise at least \$55

Total\ earning\geq 55\\\\2c+30\geq 55\\\\2c\geq 55-30\\\\2c\geq 15\\\\c\geq7.5

7 0
3 years ago
Tom and Kathy want to borrow $35,000 in order to build an addition to their home.
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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Step-by-step explanation:

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a wire is bent into the shape of a square, each side is 5 in long. then the wire is now bent to the shape of a rectangle if the
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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Expand <br><br> 2y (2y + 8 )
Andrews [41]
Hello There!

2y x 2y = 4y²
2y x 8 = 16y.
Put it together and you get the answer of:
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Hope This Helps You!
Good Luck :) 

- Hannah ❤
7 0
3 years ago
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