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Tpy6a [65]
3 years ago
15

What is 15 times 3 by 7

Mathematics
2 answers:
valentinak56 [21]3 years ago
7 0

Answer:

6.42857142857

Step-by-step explanation:

Stolb23 [73]3 years ago
4 0

Answer:

6 3/7

Step-by-step explanation:

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IgorLugansk [536]
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Mark brainliest please


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7 0
3 years ago
Read 2 more answers
I’m short word form 2,000,000+500,000+30,000+5,000+8
sasho [114]

Answer:

2,535,008

two million , five hundred thirty five thousand, eight

4 0
2 years ago
By hiring 45 new employees, a department store increased its help by 18% during the Christmas season. How many employees did the
bagirrra123 [75]
Hi!

We can set up a proportion then cross multiply to solve this.

\frac{45}{x}  \frac{18}{100}

45 x 100 = 4500
4500/18 = 250

The answer is 250

Hope this helps! :)
7 0
3 years ago
Which matrix is equal to P + Q?
Afina-wow [57]
Answer: 
\begin{bmatrix}-1.1 & 9.5\\-5.7 & 0.8\\6.1 & 0.7\end{bmatrix}

------------------------------------

Add up the corresponding elements

Row1,Column1: 6.1+(-7.2) = -1.1
Row1,Column2: 1.9+7.6 = 9.5
Row2,Column1: -7.5+1.8 = -5.7
Row2,Column2: 2.2+(-1.4) = 0.8
Row3,Column1: 3.8+2.3 = 6.1
Row3,Column2: -1.4+2.1 = 0.7

So that's why the answer is 
\begin{bmatrix}-1.1 & 9.5\\-5.7 & 0.8\\6.1 & 0.7\end{bmatrix}

3 0
4 years ago
Marilyn knows that she needs $45,000 for a down payment on a house. She found an investment that earns 3.15% interest compoundin
laila [671]
She should save $38,450.39.

The formula for the amount of money in an interest-bearing account that is compounded is

A=p(1+\frac{r}{n})^{nt}

where A is the total amount in the account, p is the amount of principal invested, r is the interest rate as a decimal number, n is the number of times per year interest is compounded, and t is the number of years.  Using our information we have:

45000=p(1+\frac{0.0315}{12})^{12\times5}
\\
\\45000=p(1.002625)^{60}

Divide both sides:
\frac{45000}{1.002625^{60}}=\frac{p(1.002625)^{60}}{1.002625^{60}}
\\
\\38450.39=p
5 0
3 years ago
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