3 years ago

3 pizzas for $ 16.50 what is the unit rate for one pizza

Mathematics

2 answers:

o-na [289]3 years ago

8 0

The answer is 5.50$ you have to divide 16.50/ 3

Ganezh [65]3 years ago

4 0

$5.50 is your answer because its $16.50/3

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Log (w2+21) - log (10)

UNO [17]

Answer:

$w =7\ or\ w =3$

Step-by-step explanation:

Given

The right question is:

$\log(w^2+ 21) = \log(10w)$

Required

Solve for w

$\log(w^2+ 21) = \log(10w)$

Cancel log on both sides

$w^2+ 21 = 10w$

Equate to 0

$w^2 - 10w+ 21 = 0$

Split

$w^2 - 3w - 7w+ 21 = 0$

Factorize

$w(w - 3) - 7(w-3) = 0$

Factor out w - 3

$(w - 7)(w-3) = 0$

Solve for w

$w - 7 = 0\ and\ w - 3 = 0$

$w =7\ or\ w =3$

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Greg's garden shop sells oak tree saplings for 24.90 dollars. Employees receive a discount of 30 percent off the regular price.

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Answer:

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Why is it important to use significant digits to round the answer

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