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Dominik [7]
3 years ago
13

A student’s rectangular desk is 30 inches long and 18 inches wide. The teacher’s desk is similar to the student’s desk and has a

length of 50 inches. What is the width of the teacher’s desk?
Mathematics
1 answer:
Kitty [74]3 years ago
6 0
The teacher width of teacher desk is 30 inches 

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A window is twice as long as it is wide. The area of the window is 2x where x
Alchen [17]

Answer:

When we have a rectangle of length L and width W, the area is calculated as:

A = W*L

In this case, W = x, and the area is:

A = 2*x

Then we must have  L = 2.

We know that the area of the window and the frame (together) is:

a = 2*x^2 + 12*x + 16

The area of the frame alone, will be equal to the difference between the area of both objects (a) and the area of the window alone (A)

area of the frame = a - A

                             = (2*x^2 + 12*x + 16) - (2*x) = (2*x^2 + 10*x + 16)

This is the area of the frame

5 0
3 years ago
Assume that the random variable X is normally​ distributed, with mean mu equals 100 and standard deviation sigma equals 20. Comp
TEA [102]

Answer: 0.2119

Step-by-step explanation:

We assume that the random variable X is normally​ distributed.

Given : Population mean : \mu=100

Standard deviation : \sigma=20

Z-score : z=\dfrac{x-\mu}{\sigma}

Then, z-score corresponds to 116

z=\dfrac{116-100}{20}=0.8

By using the standard normal distribution table for z , we have

P(x>116)=P(z>0.8)=1-P(z\leq0.8)

=1-0.7881446\approx0.2119

Hence, the required probability = 0.2119

4 0
3 years ago
Ralph and his brother are at a carnival. They separate from each other at the Ferris wheel at 1:00 PM, and they agree that they
4vir4ik [10]

Answer:

Joe mama

Step-by-step explanation:

Ralph is a weird name so that would be only because Joe mama.

Ralph died on the ferris wheel by decapitation.

4 0
3 years ago
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At a fundraiser, a school group charges $6 for tickets for a "grab bag." You choose one bill at random from a bag that contains
tino4ka555 [31]

Answer:

124

Step-by-step explanation:

4 0
2 years ago
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Two cars leave a town at the same time heading in opposite directions. One car is traveling 12 mph faster than the other. After
HACTEHA [7]
D = rt.  The first car's rate is r, and the other one, going faster, is r + 12.  The time they travel is 2 hours.  Since one is going faster than the other, he has gotten farther.  But, regardless of that, the distance between them is 232.  So the distance the first one travels, r*t, which 2r, plus the distance the second one travels, 2(r+12) = 232.  2r + 2r + 24 = 232.  Solve for r.  4r = 208 and r = 52.  The slower one goes 52 and the faster one goes 64
8 0
3 years ago
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