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Murrr4er [49]
3 years ago
5

Doctors checked four dishwasher handles. Three of them tested positive for the rhinovirus. What percentage of the dishwasher han

dles tested positive for the rhinovirus?
Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0
The answer is 3/4...........
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If 9(1-x) = 27Y and x-y=-11/2, find the value of x + y.​
Finger [1]

Answer:

-2.25

Step-by-step explanation:

9(1-x) = 27Y

9-9x =27y

-9x -27y = -9  multiply all terms by -1

9x +27y =9   equation (1)

x-y= -11/2 equation (2)

by solving 2 equations

x= -3.875

y= 1.625

∴ x+ y = 1.625 +(-3.875) = -2.25

5 0
3 years ago
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What is the answer to 89x87
MissTica

Answer: 89 x 87 =7,743

Step-by-step explanation:

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2 years ago
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Justine bought a pair of boots for $76.68 and paid 13% sales tax. What was the price of these boots including tax?
MArishka [77]

Answer: $86.65

Step-by-step explanation:

First, find how much Justine paid in tax. To do this, first convert 13% to a decimal by dividing by 100. This gets a tax rate of 0.13. Now, multiply the price of the boots by the tax rate. 76.68*0.13 = 9.9684. Round to the nearest cent to get $9.97.

Now, add the amount paid in tax to the price of the boots. 76.68+9.97 = $86.65.

4 0
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the temperature dropped 3.5 degrees every hour for 5 hours. how much did the temperatures drop in all?
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3.5 * 5 = 17.5degrees


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3 years ago
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