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nataly862011 [7]
3 years ago
15

What is the number sentence using addition. ...the answer is 34

Mathematics
2 answers:
tatuchka [14]3 years ago
8 0
It could be many things like 30 + 4 = 34
frosja888 [35]3 years ago
4 0
Or the answer could also be 39-5
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Translate into an expression the sum of 4 and m
jek_recluse [69]

Answer:

4m

Step-by-step explanation:

8 0
3 years ago
An unbiased coin is tossed 15 times. In how many ways can the coin land tails either exactly 8 times orexactly 5 times?
Kitty [74]

Answer:

Probability to get tails exactly 8 times or exactly 5 times is 0.29

Step-by-step explanation:

No of ways the coins lands tails exactly 8 times

P(8) = 15C8 × 0.5^{8} × 0.5^{15-8}

No of ways the coin lands tails exactly 5 times

P(5) = 15C5 × 0.5^{5} × 0.5^{15-5}

Probability to get tails exactly 8 times or 5 times

P(8)+P(5) =  15C8 × 0.5^{15} + 15C5 × 0.5^{15}

P = 0.5^{15} (  15C8 + 15C5 )

P = 0.5^{15} ( (  \frac{15!}{8!(15-8)!}  ) + ( \frac{15!}{5!(15-5)!} ) )

P = 0.5^{15} ( 6435 + 3003 )

P = 0.5^{15} ( 9438)

P = 0.5^{14} ( 4719)

P =  \frac{4719}{16384}

P = 0.29

8 0
3 years ago
The ratio of y-value to x-value is 3 to 4 for each point what will be the x-value of a point with a y-value of 12
evablogger [386]

Answer:

x=9

Step-by-step explanation:

given;

x\y = 3\4

to find;

x\12=?

solution;

using both equations,

3\4=x\12

by cross multiplication,

36\4=x

9=x

x=9

7 0
3 years ago
How do you turn 0.23 into a percent
Hitman42 [59]

Answer:

Step-by-step explanation:

you multiply it with 100

0.23 x 100 = 23%

5 0
3 years ago
Read 2 more answers
What numbers go into 49 42 and 21
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7 is the only number that goes into all of em

7 0
3 years ago
Read 2 more answers
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