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vivado [14]
3 years ago
10

Round 18 the the nearist 10.

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

20

Step-by-step explanation:

or if you are looking for rounding to the nearest tenth it would be 18.0.

storchak [24]3 years ago
5 0

Answer:

20

Step-by-step explanation:

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. ...

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down.

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2x – 4 = 6<br> The answer is 10, but I just need a step by step explanation for this
vazorg [7]

Answer:

x=5

Step-by-step explanation:

2x – 4 = 6

Add 4 to each side

2x – 4 +4= 6+4

2x = 10

Divide each side by 2

2x/2 = 10/2

x = 5

6 0
3 years ago
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Which statements are true about the components of a circle? Check all that apply.
Black_prince [1.1K]

Answer:

The radius is half the length of the diameter.

The circumference is the perimeter of a circle.

To find the circumference, multiply Pi by the diameter.

Step-by-step explanation:

3 0
3 years ago
How do you solve the system 3x-y z=5, x 3y 3z=-6, and x 4y-2x=12?
dlinn [17]
3x - y + z = 5 . . . (1)
x + 3y + 3z = -6 . . . (2)
x + 4y - 2z = 12 . . . (3)

From (2), x = -6 - 3y - 3z . . . (4)
Substituting for x in (1) and (3) gives
3(-6 - 3y - 3z) - y + z = 5 => -18 - 9y - 9z - y + z = 5 => -10y - 8z = 23 . .  (5)
-6 - 3y - 3z + 4y - 2z = 12 => y - 5z = 18 . . . (6)

(6) x 10 => 10y - 50z = 180 . . . (7)
(5) + (7) => -58z = 203
z = 203/-58 = -3.5

From (6), y - 5(-3.5) = 18 => y = 18 - 17.5 = 0.5
From (4), x = -6 - 3(0.5) - 3(-3.5) = -6 - 1.5 + 10.5 = 3

x = 3, y = 0.5, z = -3.5
8 0
3 years ago
Can somebody tell me what 365 times 45 is??
Veseljchak [2.6K]

Answer:

16,425

Step-by-step explanation:

For future references, I'd say use a calculator for multiplication or calculate on a piece of paper. :)

4 0
3 years ago
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Evaluate and answer in standard form: 3^-1​
asambeis [7]
Evaluate and answer in standard form:
3^-1 = 1/3
6 0
2 years ago
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