3 years ago

What is the area of the white boarder? 2cm 8cm 9cm 15cm

Mathematics

2 answers:

antiseptic1488 [7]3 years ago

8 0

do you have a picture of the border?

yuradex [85]3 years ago

7 0

Answer: ya do you have picture

Step-by-step explanation:

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Write 64 in expanded from

lozanna [386]

Um im guessing 60 +4 or sixty four

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3 years ago

The mean per capita income is 15,451 dollars per annum with a variance of 298,116. What is the probability that the sample mean

docker41 [41]

Answer: 0.5467

Step-by-step explanation:

Let X be the random variable that represents the income (in dollars) of a randomly selected person.

Given : $\mu=15451$

$\sigma^2=298116\\\\\Rightarrow\ \sigma=\sqrt{298116}=546$

Sample size : n=350

z-score : $\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

To find the probability that the sample mean would differ from the true mean by less than 22 dollars, the interval will be

$\mu-22,\ \mu+22\\\\=15,451 -22,\ 15,451 +22\\\\=15429,\ 15473$

For x=15429

$z=\dfrac{15429-15451}{\dfrac{546}{\sqrt{350}}}\approx-0.75$

For x=15473

$z=\dfrac{15473-15451}{\dfrac{546}{\sqrt{350}}}\approx0.75$

The required probability :-

$P(15429$

Hence, the required probability is 0.5467.

3 0

3 years ago

The perimeter of a rectangle is 46 in and the diagonal is 17 in. Find the area of the rectangle.

OlgaM077 [116]

P=2*(L+l)=46
L+l=46:2
L+l=23
(L+l)^2=529
(L^2+l^2)+2l*L=529

D= V L^2+l^2= 17
L^2+l^2=289

so 289+2l*L=529
2l*L=529-289=240
l*L=240:2
A=120

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3 years ago

Determine whether the given figure tessellates the plane.<br> a yes<br> b. no

inessss [21]

Answer:yes or a Explainaton:

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3 years ago

The graph shows the distance a skydiver falls over time once she reaches maximum speed. Enter values to complete each statement

Tomtit [17]

Answer:

This graph shows the relationship between the distance the diver fell and the speed. Here, the farther the skydiver fell, the faster he gets.

Step-by-step explanation:

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2 years ago

What is the area of the white boarder? 2cm 8cm 9cm 15cm​

What is the area of the white boarder? 2cm 8cm 9cm 15cm