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monitta
3 years ago
6

Answer the question. Show work

Mathematics
1 answer:
RideAnS [48]3 years ago
7 0
We just need to get the perimeter of the backyard.

Whole rectangle: length = 7ft ; width = 5 ft

Perimeter = 2(7+5) = 2(12) = 24 ft


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The number of books borrowed from a library each week follows a normal distribution. When a sample is taken for several weeks, t
Marat540 [252]
\mathbb P(X>250)=\mathbb P\left(\dfrac{X-190}{30}>\dfrac{250-190}{30}\right)=\mathbb P(Z>2)\approx0.0228

Or, if you're familiar with the empirical rule and the basic properties of the normal distribution, you can use the fact that approximately 95/% of the distribution lies within two standard deviations of the mean, or

\mathbb P(|Z|

which means about 5\% of the distribution lies outside this interval, or

\mathbb P((-22))\approx0.05

Because the distribution is symmetric, you have

\mathbb P(-22)
\implies \mathbb P((-22))=\mathbb P(-22)=2\mathbb P(Z>2)\approx0.05
\implies \mathbb P(Z>2)\approx 0.025
8 0
3 years ago
Read 2 more answers
Area of paralellogram with base 15cm and height12cm
azamat

Answer:

180 cm2

Area of a polyhedron:

15(=base)x12(=height)

=180cm2

btw parallelogram is a 2D pic how you can come out a ''base'' and ''height''? It should be called a polyhedron. Your question is weird.

If so, your ''area of parallelogram'' is 15cm2 since your question is hecking  weird.

Btw it's 15cm2 not 15

Please check ur question b4 u ask

7 0
3 years ago
Read 2 more answers
Answer the question. Show work
RideAnS [48]
We just need to get the perimeter of the backyard.

Whole rectangle: length = 7ft ; width = 5 ft

Perimeter = 2(7+5) = 2(12) = 24 ft


7 0
3 years ago
Find the sum of all 3 digit whole numbers that arw divisible by 13 ?
GuDViN [60]
We have an arithmetic sequence with 

<span>a0 = 1st 3-digit number divisible by 13 </span>
<span>a0 = 104 </span>
<span>d = 13 (why?) </span>
<span>last term is largest divisible by 13 = 988 </span>
<span>how many terms? (988-104)/13 + 1 = 69 </span>

<span>S = 69/2(104+988) = 37674</span>
7 0
3 years ago
Marvin used apples to make apple bread the ratio of apples two loaves is 12:2.What is the equivalent fractions for five loaves o
nikklg [1K]
Try 6 X 2? Maybe this works
7 0
3 years ago
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