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liberstina [14]
3 years ago
12

A rectangular prism has a surface area of 112 square inches. If it is 2 inches long and 8 inches wide, what is its height?

Mathematics
2 answers:
GaryK [48]3 years ago
6 0
The answer is 4. The formula is 2LW+2LH+2WH
Simora [160]3 years ago
4 0
So to find the surface area of a rectangular prism, you need to find the area of the adjacent sides then it it multiplied by 2. Then, add the three values, and that is how you get the surface area. In this case, the surface area given is 112 square inches. The length is 2 inches and width is 8 inches. Let us see.
To find the surface area, it should be L X W X 2, W X H X 2 and L X W X 2, and add all the product.
So upon computing, the correct answer would be 4 inches. The correct answer is the first option. When you try to substitute it, and add all the product, you will get 112. Hope this answer helps.

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What is 6 to the second power divided by two times three plus four?
mart [117]
6² ÷ 2 × 3 + 4

=36/2(3)+4

=(18)(3)+4

=54+4

=58


8 0
3 years ago
Suppose customers in a certain queue are served one at a time sequentially, that the time for each individual customer is Expone
alexandr402 [8]

Answer:

The shape and rate parameters are \frac{1}{12} and 3.

Step-by-step explanation:

Let <em>X</em> = service time for each individual.

The average service time is, <em>β</em> = 12 minutes.

The random variable follows an Exponential distribution with parameter, \lambda=\frac{1}{\beta}=\frac{1}{12}.

The service time for the next 3 customers is,

<em>Z</em> = <em>X</em>₁ + <em>X</em>₂ + <em>X</em>₃

All the <em>X</em>_{i}'s are independent Exponential random variable.

The sum of independent Exponential random variables is known as a Gamma or Erlang random variable.

The random variable <em>Z</em> follows a Gamma distribution with parameters (<em>α</em>, <em>n</em>).

The parameters are:

\alpha =\lambda=\frac{1}{12}\\n=3

Thus, the shape and rate parameters are \frac{1}{12} and 3.

5 0
3 years ago
A survey revealed that 10% of workers at a company were not satisfied with their job. If 88 workers selected this option, then h
prohojiy [21]

Answer:

There are 880 workers at the company.

Step-by-step explanation:

With the information provided, you can find the total amount of workers at the company which would represent 100% using a rule of three given that 88 workers represent 10% of workers:

88 workers →   10%

       x          ←  100%

x=(88*100)/10= 880

According to this, the answer is that there are 880 workers at the company.

5 0
3 years ago
Help please and thanks! I always give brainliest! (Explain too please)
qwelly [4]

Answer:

A. 2/3

Opposite Sides of a Parallelogram

The two pairs of sides in a parallelogram are parallel to each other.

Parallel lines have the same slope.

The slope of the opposite sides of a parallelogram are congruent (equal in measure).

Given:

Slope of PQ = 2/3

Slope of QR = -1/2

For PQRS to be a parallelogram, the slope of SR must be same as the slope of PQ.

This implies that: Slope of SR = Slope of PQ = 2/3.

Therefore, based on the properties of a parallelogram, the slope of SR for PQRS to be a parallelogram would be: 2/3.

4 0
2 years ago
A vat of milk has spilled on a tile floor. The milk flow can be expressed with the function r(t) = 4t, where t represents time i
Likurg_2 [28]
R(t) = 4t
A(r) = π(r^2)

a) A(t) = A[r(t)] = π[r(t)]^2 = π[4t]^2 = 16π(t^2)

b) t = 4,

A(4) = 16*3.14*(16)^2 = 12,861.44
3 0
3 years ago
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