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Mashcka [7]
3 years ago
13

1 1/2 + 2/5= please help i will give you 72 points

Mathematics
2 answers:
kkurt [141]3 years ago
7 0

Answer: 1  9/10

Step-by-step explanation:

1  1/2 +2/5.

First turn the first fraction into a fraction with no whole number= 3/2 Now find the common denominator which s 10. Multiply each denominator with a number to make it ten. What ever you do to the bottom you do to the top, so multiply the numerator as well.

3/2 x 5 = 15/10

2/5 x 2 = 4/10

Now add the 2 fractions together!

15/10 + 4/10 = 19/10

19/10 simplified is  1 9/10

VashaNatasha [74]3 years ago
5 0
The answer is 19/10 (1 9/10). You can find this by making 1 1/2 into an equivalent fraction or just adding it onto a calculator :)

Hope this helps!!
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Answer:

2n+13

Step-by-step explanation:

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3 years ago
Can sommeone help solve equation
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Step-by-step explanation:

3x + 10 < 3

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or

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4 0
3 years ago
a cd usally sells for 17.00 if the CD is 30% off and the sales tax is 8% what is the total price of the CD including tax
Ksenya-84 [330]

Answer:

$12.85

Step-by-step explanation:

First we need to find the sale price of the CD

Sale price = old price - old price * discount rate

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Now we need to find the tax

tax = sale price of cd * tax rate

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The final cost of the CD is  sale price of CD plus the tax

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3 0
3 years ago
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vazorg [7]
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6 0
3 years ago
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<img src="https://tex.z-dn.net/?f=n%20%3D%2020" id="TexFormula1" title="n = 20" alt="n = 20" align="absmiddle" class="latex-form
devlian [24]

Answer:

s=10

Step-by-step explanation:

Basically, the range rule-of-thumb is that the range is generally about four times the standard deviation.

<u>First, we find the range:</u>

Range=Maximum-Minimum

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<u>Next, divide the range by 4 to get the standard deviation</u>

Range=4(Standard Deviation)

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10=Standard Deviation

Therefore, s=10, which is the standard deviation

6 0
3 years ago
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