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ELEN [110]
3 years ago
15

-1 - (-4) can someone please help me !!!!!!!

Mathematics
2 answers:
Elis [28]3 years ago
4 0
3. when you see two negatives next to each other like the minus and -5 you add. so you would have -1+4 which is 3
IceJOKER [234]3 years ago
3 0

your Answer will be:

3

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Candice spent 5 1/4 hours doing her homework. Her brother, Ronald, spent 1/2 that number of hours doing his homework. How many h
Elden [556K]

Let

x-----> the number of hours that Candice spent doing her homework

y-----> the number of hours that Ronald spent doing his homework

we know that

x=5\frac{1}{4}\ hours

convert mixed number to an improper fraction

5\frac{1}{4}\ hours=\frac{5*4+1}{4}= \frac{21}{4}\ hours

so

x=\frac{21}{4}\ hours -------> equation A

y=\frac{1}{2}x ------> equation B

Substitute equation A in equation B

y=\frac{1}{2}*\frac{21}{4}=\frac{21}{8}\ hours

convert an improper fraction to a mixed number

\frac{21}{8}\ hours=2.625=2+0.625=2+\frac{5}{8}=2\frac{5}{8}\ hours

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<u>the answer is the option B</u>

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3 years ago
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Anastasy [175]
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