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4 years ago

the dwarf sea horse hippocampus zosterae swims at a rate of 52.68 feet per hour convert this speed to inches per minute.

1 answer:

8 0

<span>The answer is 10.536 inches per minute. There are 12 inches in a foot, so you would first multiply the number of feet by 12. 52.68 x 12 = 632.16 inches per hour. There are 60 minutes in an hour, so you would then divide the number of inches per hour by 60. 632.16 / 60 = 10.536 inches per minute.</span>

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In a toy factory 200 wooden soils cylinders 7 cm long and 35 mm in diameter have to be painted. What is the total surface area i

emmainna [20.7K]

By applying 2×pie×radius (radius+height)
This answer comes 1925000mm^3

6 0

3 years ago

Your start-up business is looking into the energy usage in the community of south lawndale. your sample size is 12 months. use t

Aleonysh [2.5K]

The confidence interval at 95% level is

7106.87 < μ< 14255.27

<h3>What is meant be mean and standard deviation?</h3>

The ratio of sum of observations to the total number of observation is known as mean. It is one of the central tendency in the statistics. It gives an idea about the central value present in the data. The most sensitive measure of central tendency is mean. It is very easy to calculate. Mean playa a crucial role in daily life. The two types of means are Arithmetic mean and Geometric mean.

Standard deviation is a measure in the statistics. The amount of variation of a set of values is known as standard deviation. Standard deviation is denoted by σ.

As per given data

90% confident level for amount of electricity used in community of Austin is

X-tx/2(n-1)s/√n < μ < X+ tx/2(n-1)s/√n

Here , n=12 , X=10681.07 , s=6893.87

Margin of error = tx/2(n-1)s/√n

=(1.796×6893.87)/√12

=3574.1996

=3574.19(approximately)

Therefore, 90% CI is,

10681.07-3574.19 ≤ μ<10681.07+3574.19

7106.87 < μ< 14255.27

To know more about mean and standard deviation, visit:

brainly.com/question/14720855

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5 0

1 year ago

What's the area of the trapezoid

BlackZzzverrR [31]

46.5cm squared I believe
Hope this helped ;)

8 0

4 years ago

If two triangles are congruent which of the following statements must be true

Sati [7]

The statement which must be true are Options B, C and D

which are the triangles have the same size and shape, the corresponding sides of the triangles are congruent and the corresponding angles of the triangles are congruent.

<h3>What are congruent triangles?</h3>

Congruent triangles are triangles that have corresponding sides, angles which are all equal in measure.

They can be rotated and turned to be look be identical.

Thus, the statement which must be true are Options B, C and D

which are the triangles have the same size and shape, the corresponding sides of the triangles are congruent and the corresponding angles of the triangles are congruent.

The complete question is

If two triangles are congruent which of the following statements must be true? CHECK ALL THAT APPLY

A. The triangles have the same size but not the same shape.

B. The triangles have the same size and shape

C. The corresponding sides of the triangles are congruent.

D. The corresponding angles of the triangles are congruent.

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4 0

2 years ago

HELP THIS IS DUE IN 15 MINUTES I DONT KNOW HOW TO SOLVE IT!!!

NARA [144]

Answer:

(x,y)=(-10, -30)

Step-by-step explanation:

x/4 -y/12 = 0

--> x/4 = y/12

substitute into the first eq.

x/4 + y/12 = -5

y/12 + y/12 = -5

2y/12 = -5

y= (-5) * 12/2 = -30

solve for x, x/4 = (-30)/12

x=4* (-30)/12 = -10

8 0

3 years ago