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Verdich [7]
3 years ago
11

A box is x to inches high,(2x+3)inches wide, and (2x+5) of inches long. In terms of x, what is the volume (v) of the box?

Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:

The volume of the box is V=(4x^3+16x^2+15x)\ in^3

Step-by-step explanation:

we know that

The volume of the box is equal to

V=LWH

where

L is the length of the box in inches

W is the width of the box in inches

H is the height of the box in inches

we have

L=(2x+5)\ in\\W=(2x+3)\ in\\H=x\ in

substitute in the formula

V=(2x+5)(2x+3)x

V=(4x^2+6x+10x+15)(x)

V=(4x^2+16x+15)(x)

V=(4x^3+16x^2+15x)\ in^3

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According to a college survey, 22% of all students work full time. Find the standard deviation for the random variable X, the nu
mixer [17]

Answer:

1.66

Step-by-step explanation:

Calculation to find the standard deviation for the random variable X of the number of students who work full time in samples of size

Using this formula

Standard deviation(X)=√np(1−p)

Where,

n represent the number of students=16

p represent the percentage of all students who work full time=22

Let plug in the formula

Standard deviation(X)=√16(0.22)(1−0.22)

Standard deviation(X)=√(3.52)(0.78)

Standard deviation(X)=√2.7456

Standard deviation(X)=1.656

Standard deviation(X)=1.66 (Approximately)

Therefore the standard deviation for the number of students who work full time in samples of size 16 will be 1.66

8 0
3 years ago
In mrs. wiggins class of 32 students, 3/8 of the student are taking French, and 1/2 of the students are taking Latin. If 6 stude
Vlad1618 [11]
The answer is 10 you see 6 people are in both of the classes so you have to subtract 6 from the 12 and 16 12+16-6=22 
32-22=10
5 0
3 years ago
ANSWER QUESTION PLEASE!!
Fynjy0 [20]

Answer:

W = 2t + 8

Step-by-step explanation:

weight from birth plus number of months times 2 equals your total weight.

5 0
3 years ago
A consumer shops for a sofa. The store is having a 20% off sale on all furniture. What is the discounted, pre- tax cost of a sof
lakkis [162]
Answer:
The answer is 408

Explanation:
20% of 510 is 102 and 510 - 102 is 408
8 0
2 years ago
20. Solve for x,<br> (x-2y) = 12<br> P<br> mathemat<br> I<br> vision oro<br> How do you do this?
Klio2033 [76]

Answer:

x= 24 and y = 6

Step-by-step explanation:

I think that the right answer

5 0
3 years ago
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