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puteri [66]
2 years ago
12

This is confusing very confusing for no reason

Mathematics
1 answer:
Aneli [31]2 years ago
3 0

Answer:

I'm pretty sure it's 31

Step-by-step explanation:

perimeter you add all the sides

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sam can mow his yard in 5 hours. Lucy can mow the same yard in 3.5 hours. How long will it take them to mow the lawn together?
Elden [556K]

Answer:

Sam workrate 1/5

Lucy workrate 1/3.5 = reciprocal of 7/2 = 2/7

combined workrate: 1/5 + 2/7 = 17/35

they will mow the lawn in  35/17 = 2 and 1/17 hours

2 hours 3 1/2 mins

Step-by-step explanation:

4 0
3 years ago
Lataycia has 188 but she is spending 14 per week.
ICE Princess25 [194]

Answer:

90

Step-by-step explanation:

14×7=98

188-98=90 so she had 90 left

4 0
4 years ago
8(-3x -6) what’s the answer
butalik [34]

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Step-by-step explanation:

7 0
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What is the volume of a cylinder with a radius of 3 feet and a hieght of 4 feet? Use 3.14 for pi.
Vadim26 [7]

Answer: the

Step-by-step explanation:

v= 3.14r^2h

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4 0
3 years ago
In a homicide case 33 different witnesses picked the same man from a line up. the line up contained 5 men. if the identification
polet [3.4K]
the correct question in the attached figure
<span>
we know that

</span>the probability
that a witness picks a particular person by chance-----> P=1/5

the probability
that all 7 witnesses would pick the same person-----> P=1/5^7=0.0000128

the answer is the option B 0.0000128

<span>There are a variety of problems in which the number of witnesses change, for example
</span><span>....find the probability that all 9 witnesses would pick the same person

</span>in this case, the probability would be-------> P=1/5^9=0.000000512<span>

</span>

6 0
4 years ago
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