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3 years ago

2/3*5/15+-24+-18 pls help asap

Mathematics

1 answer:

zavuch27 [327]3 years ago

6 0

Answer:

-42 2/9

Step-by-step explanation:

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The answer is d 41 X 12= 492

Step-by-step explanation:

12 (12 + 17)

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3 years ago

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Hello, do you know how I do this?

Taya2010 [7]

Answer:

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2 years ago

Hector has 3/4 hour to spend his homework. He wants to spend 1/3 of this time on math homework, 10 minutes of his time on readin

DENIUS [597]

Answer:

20 minutes

Step-by-step explanation:

Remember that

$1\ h=60\ mi$

we know that

Hector has 3/4 hour to spend his homework

Convert to minutes

$\frac{3}{4}(60)=45\ min$

1) He wants to spend 1/3 of this time on math homework

To find out the time on math homework, multiply 45 minutes by 1/3

$45(\frac{1}{3})=15\ min$

2) He wants to spend 10 minutes of his time on reading homework

3) He wants to spend the remaining time on science homework

The time spend on math homework plus the time spend reading homework, plus the time spend on his science homework must be equal to 45 minutes

Let

x ----> the time spend on his science homework

$15+10+x=45$

Solve for x

$25+x=45\\x=45-25\\x=20\ min$

3 0

2 years ago

HELP MEE ASAP PLSSSS ♥

Oksanka [162]

Step-by-step explanation:

you add

Hours. Minutes

5. 48

+7. 78

12. 126

Then 126÷60 minutes =2hours 6mins

12hrs+2hrs=14hrs

Answer=14hours 6minutes

7 0

2 years ago