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jasenka [17]
3 years ago
12

-1.5-2.75= Answer quickly and you will earn 30 points

Mathematics
1 answer:
lesantik [10]3 years ago
7 0

Hello!

<em><u>Answer:</u></em>

<em><u>=-4.25</u></em>

<em><u>*The answer must have a negative sign.*</u></em>

Step-by-step explanation:

Lesson: Add/Subtract decimals.

First, you add/subtract by the numbers from left too right.

-1.5-2.75=-4.25

Then you can also add by the numbers too.

2.75+1.50=4.25

Final answer is → =-4.25

Hope this helps!

Thanks!

-Charlie

Have a nice day! :)

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n200080 [17]

Answer: By the 8th week.

Step-by-step explanation:

Let the time that matteo and luca have the same amount of money be represented by x.

The information given in the question can be formed into an equation as:

400 - 10x = 200 + 15x

Collect like terms

400 - 200 = 15x + 10x

200 = 25x

x = 200/25

x = 8

Matteo and Luca will have the same amount of money by the 8th week.

4 0
3 years ago
Help me pleasee<br> Questions r in picture
jok3333 [9.3K]
<h2>Answer:</h2>

\large \bf\implies\frac{12}{61}

<h2>Step-by-step explanation:</h2>

<h2>Given :</h2>

\tt \frac{8}{101} , \frac{9}{91} , \frac{10}{81} , \frac{11}{71} ...

<h2>To Find :</h2>

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<h2>Solution :</h2>

We have to add 1 in numerator and -10 in denominator because

\tt \frac{8}{101} , \frac{9}{91} , \frac{10}{81} , \frac{11}{71} ...[Given]

\frac{8  \: + \:  1}{101 \:  - \:  10}  =  \frac{9}{91} \\\\  \frac{9 + 1}{91 - 10}  =  \frac{10}{81}  \\ \\ \frac{10 + 1}{81 - 10}  =  \frac{11}{71}  \\ \\ \frac{11 + 1}{71 - 10}  =  \frac{12}{61} ...

The difference is 1 in numerator so we add 1 and the difference is -10 in denominator so we subtract -10.

4 0
2 years ago
Becky bought a magazine for $3.90, and the sales tax was 8.25%. How much sales tax did Becky pay on the magazine?
igor_vitrenko [27]

Answer:

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Step-by-step explanation:

Find 8.25 percent of 3.90:

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3 0
3 years ago
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RoseWind [281]

Answer:

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Step-by-step explanation:

a(a+5)

multiply everything inside the bracket

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i hope i helped

please give me a brainliest!!<3

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Answer:

2 foot

Step-by-step explanation:

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