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UNO [17]
3 years ago
7

8×9=(5+3)×9 just need help with the answer

Mathematics
1 answer:
Svetllana [295]3 years ago
3 0

Answer:

It is true.

Step-by-step explanation:

8 multiplied by 9 is 72.   5+3 is 8, which is multiplied by 9, giving the same answer on both ends.

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Tony finishes baking cookies at 10:33 am he started at 7:18 am now long was he baking cookies?
Ber [7]
To find the amount of time between two events, we can use subtraction, just like we do with regular subtraction problems. The subtraction will look something like this:

  10:33
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  7:18

Like in a regular subtraction problem, we can subtract the digits that line up, like 10 and 7. Subtracting all of the corresponding digits, we get that it took Tony 3 hours and 15 minutes to finish baking the cookies. 
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3 years ago
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A teacher administers a standardized math test to his class of 75 students. The mean score (out of 300 possible points) is 235.
frutty [35]

Answer: (228.7, 241.3)

Step-by-step explanation:

7 0
2 years ago
What is the median of the data displayed in this box-and-whisker plot?
NeX [460]

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Step-by-step explanation:

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3 years ago
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HI!! Please help me asap, thank you!
Fiesta28 [93]

Answer: -24.8 or 24 4/5

Step-by-step explanation:

How to find the mean: add up ALL the number you want or need then DIVIDE by how many there are.

So: -28 + -26 + - 13 + -39 + -18 = -124

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6 0
3 years ago
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yKpoI14uk [10]

Answer:

0.25     Converges

Step-by-step explanation:

First, we need to expand our series so that we get the following:

\sum _{n=1}^{\infty \:}\frac{n}{4^n}+\frac{1}{4^{n+1}}

We can then use the series ratio test on each term. (L < 1 = absolutely convergent)

\sum _{n=1}^{\infty \:}\frac{n}{4^n}

\lim_{n \to \infty} \frac{n}{4^{n}\\} =

⇒  converges

\sum _{n=1}^{\infty \:}\frac{1}{4^n^+1}

\lim_{n \to \infty} \frac{n}{4^{n}^+1\\}

⇒  converges

converges + converges

= converges

~Hope this helps! Once again, sorry if my explanation is a bit confusing~

8 0
3 years ago
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