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jekas [21]
3 years ago
13

You receive 9 text messages in 12 minutes. What is the rate of the text messages per hour?

Mathematics
2 answers:
MAXImum [283]3 years ago
8 0
1 hour=60 minutes 12×5=60
9×5=45
About 45 messages per hr
ikadub [295]3 years ago
4 0
9/12 would be your rate.
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Georgia is 7 years younger than 5 times the age of her daughter, Veronica. Veronica will be 14 in 6 years. Part A Write and eval
balandron [24]
Georgia is 33 years old
14-6=8 (because it says she’ll be 14 in 6 years)
5x8=40 (because it says 5 times her age)
40-7=33 (because it says 7 years younger)
5 0
3 years ago
Subtract: (3x2 − 8x + 3) − (−5x2 + 4x − 5)
Alenkinab [10]
The answer should be A).
4 0
3 years ago
Read 2 more answers
Solve for r. 17.4=3r. R=?
Bumek [7]

Answer:

r=5.8

Step-by-step explanation:

Just do 17.4 divided by 3

And you get R

Hope this helps!

6 0
3 years ago
Helpppp please I don’t know how to do this
alina1380 [7]

Answer:

positive

Step-by-step explanation:

From the number line

x>0  so it is positive

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3 0
3 years ago
Read 2 more answers
In how many ways can 3person study groups beselected from a class of 25students?Note: nrn!r!(n-r)!nEnter
nlexa [21]

Answer:

2,300

Explanation:

This is given as:

\begin{gathered} 25\text{ combination 3 represented as:} \\ ^nC_r=\frac{n!}{r!(n-r)!} \\ n=25 \\ r=3 \\ ^{25}C_3=\frac{25!}{3!(25-3)!} \\ ^{25}C_3=\frac{25\times24\times23\times22!}{3!\times22!} \\ ^{25}C_3=\frac{25\times24\times23}{3\times2\times1} \\ ^{25}C_3=2300 \end{gathered}

Therefore, there are 2,300 ways that 3 persons can be selected from 25 people

8 0
1 year ago
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