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3 years ago

Can someone solve 8 = b - 1 + 8b STEP BY STEP PLEASE

Mathematics

1 answer:

andrew11 [14]3 years ago

7 0

Answer:

8 = b - 1 + 8b

group like terms

8 + 1 = b + 8b

9 = 9b cus b standing alone me 1b

divide both side by 9

9 = 9b

9 9

b = 1

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3 years ago

I’m about to cry from frustration. Help please before I die

kvv77 [185]

Answer:

$\frac{1}{3}x+16=37$

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Step-by-step explanation:

The unknown is the number of jelly beans originally in the bag or x

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He then ate 16 more jelly beans

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3 years ago

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allochka39001 [22]

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3 years ago

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A yield sign measures 30 inches on all three sides. what is the area of the sign

Nookie1986 [14]

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3 years ago

82. A company spends x hundred dollars on an advertising

crimeas [40]

The company spends $649 on advertising

The sales function after advertising is given as:

$S(x) = 5 + 7\ln(x + 1)$

When the total sales is $19,100, we have S(x) = 19100

So, the sales function becomes

$5 + 7\ln(x + 1) = 19.1$

Subtract 5 from both sides

$7\ln(x + 1) = 14.1$

Divide both sides by 7

$\ln(x + 1) = 2.014$

Take exponents of both sides

$x + 1 = e^{2.014$

$x + 1 = 7.49$

Subtract 1 from both sides

$x= 6.49$

Hence, the company spends $649 on advertising