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kherson [118]
2 years ago
11

Write the expression that represents 7 subtracted from 8n.

Mathematics
2 answers:
hodyreva [135]2 years ago
8 0

Answer:

B)8n-7

Step-by-step explanation:

kicyunya [14]2 years ago
3 0
I think it's B.............
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A car travels a distance of 1280 metres at an average speed of 64 kilometres per hour.
Colt1911 [192]

Answer:

The answer is 20 hours

Step-by-step explanation:

This is becuase 1280 divided by 64 equals 20.  There are no unit coversions.

6 0
3 years ago
What is equivalent to the expression?<img src="https://tex.z-dn.net/?f=4x%5E%7B2%7D%20%2A4x%5E%7Bx%7D" id="TexFormula1" title="4
Olenka [21]

Answer:

?

Step-by-step explanation:

8 0
3 years ago
2 1/2x + 1/4 + 3/4x = 1/8
Vinil7 [7]

\frac{5}{2}x+\frac{1}{4}  +\frac{3}{4} x=\frac{1}{8} \\\\\frac{5}{2}(8)x+\frac{1}{4}  (8)+\frac{3}{4}(8) x=\frac{1}{8}(8)\\20x+2+6x=1\\20x+6x=1-2\\26x=-1\\\frac{26x}{26} =\frac{-1}{26} \\x=-\frac{1}{26}

6 0
11 months ago
Eighteen less than three times a number is twice the number. Write and solve
goblinko [34]

Answer:

The number is 18

Step-by-step explanation:

You can write an equation to represent this. Let x represent the unknown number.

3x - 18 = 2x

Move 2x to the left side. Remember, "change the side, change the sign." Add 0 as a placeholder to the right of the equals sign.

3x - 2x - 18 = 0

Simplify like terms.

x - 18 = 0

Move -18 to the right of the equals sign.

x = 18

Now that we know x = 18, we can substitute it into the problem.

"Eighteen less than three times 18 is two times 18."

18 x 3 = 54

54 - 18 = 36

36 is, in fact, two times 18. We can check this by dividing 36 by 2.

36 ÷ 2 = 18

8 0
3 years ago
Given the following information, which is the best description of the data?
kakasveta [241]
C) Moe highest probability=14, median (50% of the values), mean=central measure of the '50%' all are 14-15, C) is the closest, no? :)
6 0
3 years ago
Read 2 more answers
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