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Airida [17]
4 years ago
13

Please help with this

Mathematics
1 answer:
ivolga24 [154]4 years ago
3 0

the value of x is 50 because the degrees of a triangle will always be 180 degrees


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the times it took for 35 loggerhead sea turtle eggs to hatch in a simple random sample are normally distributed, with a mean of
beks73 [17]

The number of days that the eggs took in hatching is 54 days.

Given that mean is 50, standard deviation is 2 and confidence level is 95% and sample size is 35.

We are required to find the number of days it took to hatch the eggs.

We have to apply the z statistics because sample size is greater than 30.

Z=(X-μ)/σ, in which μ is mean and σ is standard deviation.

Z score for the confidence level 95% is 1.96.

1.96=(X-50)/2

3.92=X-50

X=50+3.92

X=53.92

X=54 (After approximation)

Hence the number of days that the eggs took in hatching is 54 days.

Learn more about z statistics at brainly.com/question/25638875

#SPJ4

8 0
2 years ago
A rectangular print on the Smiths living room wall is 4 feet long and 2 feet 6 inches wide. How many inches longer is the print
sasho [114]

Answer:

The print is 18 inches longer then it is wide

Step-by-step explanation:

I multiplied 12 x 4 becuase there are 12 inches in a foot to get 48 inches. So the print is 48 inches long. Then I multiplied 2 times 12 to get 24 and then 24+6 + 30 so the rug is 30 inches wide. Finally I subtracted 30 from 48 to get the diffrence in inches. Which is 18 :)

7 0
3 years ago
HELP!! Which of these linear equations best describes the given model?
viktelen [127]

Option B:

The linear equation that best describes the model is y = 40x + 800.

Solution:

Take two points which exactly on the line.

Let the points are (0, 800) and (10, 1200).

x_1=0, y_1=800, x_2=10, y_2=1200

Slope of the line:

$m=\frac{y_2-y_1}{x_2-x_1}

$m=\frac{1200-800}{10-0}

$m=\frac{400}{10}

m = 40

y-intercept of the line is where the line crosses at y-axis.

y-intercept (b) = 800

Equation of a line:

y = mx + b

y = 40x + 800

The linear equation that best describes the model is y = 40x + 800.

Option B is the correct answer.

4 0
3 years ago
Find the area. yes it is a right triangle and I'm a somewhat sure angle in the bottom left is 60°
Taya2010 [7]

Answer:ill help all triangles should equal to 180 hope it did help you

Step-by-step explanation:

4 0
4 years ago
Independent Practice
motikmotik
The answer you’re looking for is a yes the domain value five corresponds to two range values -8 and five
5 0
3 years ago
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