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r-ruslan [8.4K]
4 years ago
9

Why does -2.4-(-7)have the same result as -2.4+7? Explain your reasoning.

Mathematics
2 answers:
asambeis [7]4 years ago
8 0

Answer:

-2.4-(-7) has the same result as -2+7 because the negative sign and the minus sign cancel each other out. Think of it like this. If you cross the negative sign and the minus sign together, then it makes a plus sign.

Step-by-step explanation:

I gave a basic answer. You might have to elaborate more on this.

torisob [31]4 years ago
8 0
If you have 2 negatives it equals a positive
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One week the height of a plant increased from 30 cm to 35 cm.<br> Work out the percentage increase.
RSB [31]

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6 0
3 years ago
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3 years ago
I need help on number 11! Can anyone help?
Zanzabum
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3 years ago
Gavin and Jim share some money in a ratio of 1:3 gavin gets £15 how much did Jim get
lozanna [386]

Answer:

$45   (corrected answer)

Step-by-step explanation:

Given

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fraction that Gavin gets = 1 / (1+3) = 1/4

fraction that Jim gets = 3 / (1+3) = 3/4

given that Gavin gets $15,

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8 0
3 years ago
The cylinder below has r = 10 inches and a volume of 6283 cubic inches to the nearest cubic inch. Find the height of the cylinde
kaheart [24]
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divide both sides by pi
19.9994143=h
so about 20 inches
6 0
3 years ago
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