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Alla [95]
3 years ago
12

Help me please brainly

Mathematics
1 answer:
3241004551 [841]3 years ago
6 0

Step-by-step explanation:

1)

3x+3

2)

10+2x

3)

8x+24

4)

8a+8b+8c

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Negative 24 divided 15
valentina_108 [34]

Answer:

-1.6

Step-by-step explanation:

5 0
3 years ago
1.<br> What is the mean for the following scores: 2, 5, 4, 1, 8?<br> A. 3<br> B. 4<br> c. 5<br> 20
atroni [7]

Answer to your question is:

B. 4

Explanation:

2 + 5 + 4 + 1 + 8 = 20

20 ÷ 5 = 4

8 0
3 years ago
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Jon bought a printer for $189 and a set of printer cartridges for $192. Sales tax on these items was 6.5%. What is Jon's total b
julia-pushkina [17]
So first we need to find the total before tax. Let's add up the two prices:

189+192=381

So we know that the total before tax is $381. Now we are told that the sales tax on these items is 6.5%. It would be easier for us to convert 6.5% to a decimal in order to multiply. Let's convert 6.5% to a decimal by dividing by 100:

\frac{6.5}{100}=0.065

Now that we have the sales tax in decimal form, let's multiply this sales tax by the total amount of the items before tax ($381):

381*0.065=24.77

This means that $24.77 is the tax for this purchase. To find the total amount that Jon paid for these items after tax, you must add the tax to the total amount before tax to give you:

381+24.77=405.77

So now we know that Jon's total bill for these items is $405.77.
4 0
3 years ago
a cone shaped container has a height of 9 inches and a diameter or 2in it is filled with a liquid that is worth $2 per cubic inc
Mice21 [21]

Answer:

$18.84

Step-by-step explanation:

The area of a cone is (1/3)pi*r^2*h

With all variables plugged in we get an area of (1/3)*3.14*(1^2)*9, or 9.42 cubic inches. With a value of 2$/in^3, we get 2*9.42, or 18.84.

Therefore, the value of the container is $18.84.

5 0
3 years ago
Evaluate7.2÷0.38.(Round to the hundredth place as needed.)
polet [3.4K]

Answer:

18.95

Step-by-step explanation:

18.94736842 rounded to its nearest hundredth will be 18.95

6 0
3 years ago
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