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ad-work [718]
3 years ago
5

Pls help, thanks for the answer thanks

Mathematics
1 answer:
siniylev [52]3 years ago
4 0
A. Length: 7, Width: 5
B. Perimeter: 24
C. Area: 35
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Actually yeah. It’s really annoying

Maybe this bobcat will make your day better

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3 years ago
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Carmine buys a canoe priced at $478. He pays a total, including tax, of $509.07. What was the tax rate?
Reptile [31]

Answer:

6.5%

Step-by-step explanation:

You can find the tax rate by finding the percentage that the initial price increased by.

First, subtract the initial price from the price after taxes.

509.07 - 478 = 31.07

Knowing this we can find the tax rate using an equation like this.

\frac{Difference Between Values}{Initial Value} = \frac{x}{100}

Now we substitute in our values.

\frac{31.07}{478} = \frac{x}{100}

With X being the tax rate, we cross multiply both fractions.

3107  = 478x

From here, we solve for x by dividing 3107 by 478.

x = 6.5

Therefore the tax rate is 6.5 percent.

(Note that when you are trying to find the tax rate that you divide by the initial price before taxes to get the correct value.)

5 0
3 years ago
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The pH of a substance added to a citrate buffer, y, depending on the ratio of citric acid to sodium citrate, x, can be modeled u
Charra [1.4K]

Answer:

Yes it's A. 0.79

Step-by-step explanation:

You plug in 6.5 into the y-value since it asks to find the ratio,x, if the pHis 6.5. Then you can solve using a calculator to get 0.79432, or 0.79

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3 years ago
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An inch is equal to about 2.54 centimeters. Write an expression who he estimates the number of centimeters in x inches. Then est
trasher [3.6K]

There are 30.48 centimeters in 12 inches.

Step-by-step explanation:

Given,

1 inch = 2.54 centimeters

For x inches;

x inches = 2.54*x centimeters

x inches = 2.54x centimeters

Number of centimeters in 12 inches

We will put x=12

12 inches = 2.54(12) centimeters

12 inches = 30.48 centimeters

There are 30.48 centimeters in 12 inches.

Keywords: multiplication

Learn more about multiplication at:

  • brainly.com/question/10744457
  • brainly.com/question/10754198

#LearnwithBrainly

5 0
3 years ago
marcus bought a booklet of tickets to use at the amusement park.he used 50% on the rides,1/3 of the tickets on video games, and
Ivahew [28]

No, i do not agree. To find this out, we will have to convert all of them into either decimals or percents. Let's convert these all into percents. A percent means 'out of 100', so if we add the percents all together, they should equal to 100. The rides is 50%. To convert 1/3 into a percent, divide the numerator by the denominator. You will get a decimal, so then multiply that by 100 or move the decimal two places to the right. So, 1 divided by 3 is equal to approximately 33%. Let's add 50 and 33 together. The total is 83%. So, like I said, a percent is out of 100. Subtract 83 out of 100 and you will get 17. So, the remaining percent has to be 17 percent, not 10%.

Hope it helps :)

8 0
3 years ago
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