3 years ago

Sara went to breakfast with her family. What is the total cost is the sales tax is 6%?

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

3 0

Answer:

divide/multiply

Step-by-step explanation:

search it up its simple

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Answer:

ans.

Step-by-step explanation:

50.24 square feet is the answer

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2 years ago

A carpenter has a rectangular wooden board. The diagonal of the board is 18 inches long and one side of the board is 12 inches l

BaLLatris [955]

In this question, it is given that the diagonal of the board is 18 inches long and one side of the board is 12 inches long.

Let the other side is of length b inches .

Now we use pythagorean identity, which is

$a^2 + b ^2 = c^2$

Here, a = 12 and c=18

Substituting these values, we will get

$12^2 + b^2 = 18^2 \\ 144 + b ^2 = 324 \\ b^2 = 324-144 \\ b^2 = 180 \\ b= \sqrt{180} \\ b = 13.4164 inches$

And the formula of perimeter is

$Perimeter = 2(Sum\ of \ legs)$

Substituting the values of the two legs, we will get

$Perimeter = 2(12+13.4164) = 50.83 inches$

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2 years ago

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Harrison has 90 CDS in his music collection. If 40% of those CDS are country music and 50% are pop, how many CDS are other types

Ksenya-84 [330]

10% CDS are other types of music

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3 years ago

Factor to write an equivalent expression.(What is the Greatest Common Factor?).<br><br> −9x+15y

KengaRu [80]

Answer:

GCF is 3

Step-by-step explanation:

Given the expression -9x + 15y

First, we need to find ther individual factors

-9x = -3 *3 * x

15y = 3 * 5 * y

Since 3 is common to both factors

−9x+15y = 3(-3x+5y)

Hence the GCF is 3

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2 years ago

One brand of vinegar has a pH of 4.5. Another brand has a pH of 5.0. The equation for the pH of a substance is pH = –log[H+], wh

kiruha [24]

Answer:

2.16 * (10^-5).

Step-by-step explanation:

5 = -log H+

5 = log (1 / H+)

1/ H+ = 10^5

H+ = 10^-5

In a similar fashion the other brand has H+ of 10^-4.5.

So the difference in hydrogen ion concentration = 10^(-4.5) - 10^(-5)

= 2.16 * (10^-5).

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3 years ago

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Sara went to breakfast with her family. What is the total cost is the sales tax is 6%?​

Sara went to breakfast with her family. What is the total cost is the sales tax is 6%?