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KiRa [710]
3 years ago
12

How do you get 189 as the answer? Please help

Mathematics
1 answer:
OLga [1]3 years ago
4 0
I don't understand what one
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Harper goes to a store an buys an item that costs x dollars. She has a coupon for 30% off, and then a 6% tax is added to the dis
iragen [17]
Not enough information- the coupon will only be worth 24% after tax though.
5 0
2 years ago
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Find <img src="https://tex.z-dn.net/?f=%5Csf%20%5Cdfrac%7Bdy%7D%7Bdx%7D" id="TexFormula1" title="\sf \dfrac{dy}{dx}" alt="\sf \d
faust18 [17]

Hey there mate!

Please check the attached answer of picture for explanation.

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2 years ago
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In science class, Logan estimates the volume of a sample to be 42 mL. The actual volume of the sample is 48 mL. Find the percent
galina1969 [7]

Answer:

Percent of error of Logan's Estimate is 12.5%

Step-by-step explanation:

Given:

Actual Volume of sample =48 mL

Estimated Volume of sample = 42 mL

We need to find the percent errors of Logan estimate.

To calculate percent of error below are the steps.

Step 1: Subtract the Actual value from the estimated value.

Step 2: Take the absolute value of step 1

Step 3: Divide that answer by the Actual value.

Step 4: Multiply that answer by 100 and add the % symbol to express the answer as a percentage.

Now Substituting the values we get;

Step 1: To Subtract Actual Volume with Estimated Volume

Estimated Volume of sample - Actual Volume of sample = 42 - 48 = -6 mL

Step 2: Find Absolute value we get;

|-6| = 6

Step 3 : Divide that answer by the Actual volume.

\frac{6}{48}=0.125

Step 4: Multiply that answer by 100 and add the % symbol to express the answer as a percentage.

0.125\times 100 = 12.5\%

Hence Percent of error of Logan's Estimate is 12.5%

5 0
3 years ago
(X squared+y squared)-(-x squared+y squared)
zmey [24]
X^2 + y^2 - x^2 +y^2

That would be (1x+1y)-(1x+1y)


8 0
3 years ago
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HELP I FORGOT TO PUT THE FILE IN SO HERE IT IS :)
xeze [42]

Answer:

0.525

21/40 as a decimal is 0.525.

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3 years ago
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