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frutty [35]
2 years ago
9

one section of wood is 3 5/8 meters long. another section is twice that long. when the two pieces are put together how many is t

he piece of wood that is created.
Mathematics
1 answer:
madreJ [45]2 years ago
8 0

Answer:

the mixed number form is 10 7/8

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Make p the subject of the formula q-2p=p+4
Nutka1998 [239]

Answer:

q-2p=p+4

q-4=p+3p

p=(q-4)/3is answer

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2 years ago
What is the product of 4+3i and 4-3i
mash [69]
Use the formula (a+b)(a-b)=a^2-b^2.

(4+3i)(4-3i)=4^2-(3i)^2=16-9i^2 \\ \\
i^2=-1 \\ \\
16-9i^2=16-9 \times (-1)=16+9=25 \\ \\
\boxed{(4+3i)(4-3i)=25}
7 0
3 years ago
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The length of time a particular smartphone's battery lasts follows an exponential distribution with a mean of ten months. A samp
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Probability between 7 and 11 is 0.7799

8 0
3 years ago
I will appreciate your help
KatRina [158]

Answer:

Hello! answer: 252

Step-by-step explanation:

To find parelogram area you do base × height so... 21 × 12 = 252 therefore 252 is the area Hope that helps!

4 0
3 years ago
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18
Cloud [144]

Answer: 100

5

Step-by-step explanation:

a) The mean of a normal distribution is also the median. Half the population will have values above the mean. Half of 200 is 100, so ...

... 100 students will have grades above 70%.

b) 84% is 14% above the mean. Each 7% is 1 standard deviation, so 14% is 2 standard deviations above the mean. The empirical rule tells you 95% of the population is within 2 standard deviations of the mean, so about 5% of students (10 students) got grades higher than 84% or lower than 56%. The normal distribution is symmetrical, so we expect about 5 students in each range.

... about 5 students will have grades above 84%.

3 0
3 years ago
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