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storchak [24]
3 years ago
6

Pleassee if you help i will mark you BRAINLIST

Mathematics
1 answer:
babunello [35]3 years ago
8 0

Answer:

1. $161.50

2. $68.04

Step-by-step explanation:

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In which of these cases is each stamp worth the most? 7 of the same stamp worth a total of $3.15 8 of the same stamp worth a tot
Fed [463]

Answer:

0.45

Step-by-step explanation:

1. 3.15÷7=0.45

2. 3.20÷8=0.40

3. 4.10÷10=0.41

4. 4.18÷16=0.26

7 0
3 years ago
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Can you help me with this please!?
Natalija [7]

9514 1404 393

Answer:

  (a)  2021

Step-by-step explanation:

The expression can be simplified.

  \displaystyle\frac{a^4+b^4+2a^2b^2+a^3b+ab^3}{a^2+b^2}+ab=\frac{(a^2+b^2)^2+ab(a^2+b^2)}{a^2+b^2}+ab\\\\=a^2+b^2+ab+ab=(a+b)^2\\\\=(\sqrt{2021})^2=\boxed{2021}

7 0
3 years ago
15 is 0.4% of what number?
777dan777 [17]
<span>15 is 0.4% of what number?
</span>
so, let's say b represents that number. Let's put that in equation form.

b*4%=15 
<span>4%=0.04              <------ decimal form
</span>b*0.04=15            <------ in the equation<span>
15/0.04=b            <------ signs switched
</span><span>
b=375

Hope I helped! please rate me the brainliest!
</span>
5 0
4 years ago
Read 2 more answers
What’s The Answer To This Question ?
lara [203]

Answer:

Fraction: 21/40

Decimal: 0.525

Step-by-step explanation:

(-3/5) x (-7/8)

-0.6 x -0.875

= 21/40  OR   0.525

Hope this helps

-Amelia

8 0
3 years ago
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Please help will give brainliest
torisob [31]

Answer:

75.89

Step-by-step explanation:

rffgfbbfb

3 0
3 years ago
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