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7nadin3 [17]
3 years ago
9

Help me with this question pleaseeee :3

Mathematics
2 answers:
slamgirl [31]3 years ago
5 0

Answer:

Step-by-step explanation:

<h2>first, you have to multipy by 6 then add 13. </h2>
ipn [44]3 years ago
4 0

Answer:

19

and i dont know the answer to b)

Step-by-step explanation:

-2*6+13=1

1*6+13=19

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Do you have a picture of the problem so I can see it

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-2x+5c+6c-3x=<br> Simplify and write the answer.
Irina18 [472]
-2x+5c+6c-3x
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8 0
3 years ago
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A circular tablecloth covers a table with a diameter of 5 feet.The tablecloth hangs down an extra 6 inches al around.How much tr
nasty-shy [4]

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25.12

Step-by-step explanation:

4 0
3 years ago
Express $0.\overline{5}$ as a common fraction in lowest terms.
andreyandreev [35.5K]
<h3>Answer:  5/9</h3>

=======================================================

Explanation:

0.\overline{5} means that the 5's go on forever because of that horizontal bar over top. So we can write it as 0.\overline{5} = 0.55555\ldots

The three dots indicate it goes on forever following that pattern.

Let

x = 0.55555....

Multiply both sides by 10 to move the decimal point 1 spot to the right

10x = 5.55555....

Notice how both x and 10x involve a decimal number such that we have a string of 5's going on forever. If we subtract the two equations, then 10x-x becomes 9x, while the (5.55555....) - (0.55555....) simplifies to 5. The decimal portions cancel out when we subtract since they line up perfectly. We're effectively subtracting 5-0 when we cross off the decimal portions.

After those subtractions, we're left with 9x = 5 which solves to x = 5/9 when you divide both sides by 9.

Use of a calculator should show that 5/9 = 0.555555.... to help confirm the answer. Your calculator may show the last digit to be a 6 instead of a 5, but this is due to rounding. Ideally you should have a string of infinitely many 5's, but the calculator can only how so many digits.

3 0
2 years ago
The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. What is the
lidiya [134]

Answer:

25.13274125 in³


Step-by-step explanation:

The radius = 4 ± 0.1

height = 10

Volume of a cylinder = πr²h

Actual volume of the cylinder = π × 4² × 10

                                                  = 502.6548246

Maximum volume = π × 4.1² × 10

                              = 528.1017251

Minimum volume = π × 3.9² × 10

                              = 477.8362426

Average error = (528.1017251 - 477.8362426)/2

                        = 50.2654825/2

                       = 25.13274125 in³

The units are inches cubed.

3 0
3 years ago
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