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Bingel [31]
3 years ago
11

The difference of twice a number and five is three. Find the num

Mathematics
1 answer:
Grace [21]3 years ago
7 0

Answer:

add 5 then multiply by 1/2

Step-by-step explanation:

Twice a number  is 2n.

The difference of twice a number and five 2n - 5.

The difference of twice a number and five is three. 2n - 5 = 3

2n - 5 = 3

2n - 5 + 5 = 3 + 5     (1) add 5

2n = 8

1/2*2n = 1/2*8    (2) multiply by 1/2

n = 4

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agasfer [191]

Step-by-step explanation:

A quick way to do this sort of question:

First add the last number and the first number:

1 + 960 = 961

Then divide the total amount of numbers by 2.

960 ÷2 = 480

Now multiply these two numbers together:

961 × 480 = 461280

4 0
3 years ago
Give the slope between the points<br> (-2,0) (8,-5)
Rudik [331]

Answer:

-1/2

Step-by-step explanation:

y2-y1 = -5-0 =-5

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Pani-rosa [81]
What is this exactly?
5 0
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Answer:

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6 0
2 years ago
Please answer this correctly please label the numbers correctly
Ierofanga [76]

Answer:

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