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3 years ago

A cube shaped tissue box is made entirely of cardboard. The tissue box has a length of 5 in.

2 answers:

6 0

Since no further dimensions are given, I assume that the question is asking for the surface area of the box.

A=6 $a^{2}$
A=6(25)
A=150 $in^{2}$ of cardboard.

Daniel [21]3 years ago

5 0

A cube has equal length, height and depth.

The area of one face is 5inches * 5inches, which would equal 25inches^2.

Multiply this by 6, for the 6 faces on a cube, and we get 150inches^2 of cardboard.

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5.40(10)+2.50(x)=3.00(10+x)<br> Solve

iris [78.8K]

Answer:

x=48

Step-by-step explanation:

$5.40(10)+2.50(x)=3.00(10+x)\\\\54.0+2.50x=3.00(10)+3.00(x)\\\\54+2.5x=30.0+3.00x\\\\54+2.5x=30+3x\\\\54+2.5x-2.5x=30+3x-2.5x\\\\54+0=30+(3-2.5)x\\\\54=30+0.5x\\\\54-30=30+0.5x-30\\\\24=0.5x\\\\10(24)=10(0.5x)\\\\240=5x\\\\\frac{1}{5} (240)=\frac{1}{5} (5x)\\\\48=x\\\\x=48$

3 0

3 years ago

Given that z is a standard normal random variable, find z for each situation. The area to the right of z is .1314. (Round to two

Mumz [18]

Answer:

$P(Z>0.1314) = 1-P(Z$

We can use the following excel code: "=1-NORM.DIST(0.1314,0,1,TRUE)" or the standard normal table

$P(Z$

We can use the following excel code: "=NORM.DIST(0.75,0,1,TRUE)" or the standard normal table.

$P(Z>0.01) = 1-P(Z$

We can use the following excel code: "=1-NORM.DIST(0.01,0,1,TRUE)" or the standard normal table

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

$P(Z>0.1314) = 1-P(Z$

We can use the following excel code: "=1-NORM.DIST(0.1314,0,1,TRUE)" or the standard normal table

$P(Z$

We can use the following excel code: "=NORM.DIST(0.75,0,1,TRUE)" or the standard normal table.

$P(Z>0.01) = 1-P(Z$

We can use the following excel code: "=1-NORM.DIST(0.01,0,1,TRUE)" or the standard normal table

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3 years ago

1.) Write an equation of the line that passes through the point (3,-2) and is

GarryVolchara [31]

Answer:

y = 2x - 8

Step-by-step explanation:

8 0

3 years ago

Help math pls its a drag and drop

STALIN [3.7K]

A goes in stock price decreased
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3 years ago

Read 2 more answers

The sum of two numbers is 43 . The smaller number is 19 less than the larger number. What are the numbers?

Setler [38]

Let the smaller number be x and the larger number be y.
We can calculate this by using simultaneous equation, aka listing 2 equations out.
From given,
X + y = 43
Let this be equation no. 1
X + 19 = y
Let this number be equation 2.
We can do simultaneous equations either by substitute method or elimination. In this case I'm using substitute.
We can already obtain the value of y (in terms of x) in euqation no. 2, so all we gonna do is to put y into equation 1.
X + x + 19 = 43
Solve this by algebra.
2x = 43 - 19
X = 12
Now we know the exact value of x
Now substitute x = 12 into equation no. 2
12 + 19 = y
Y = 31
So the answer is 12 and 31

7 0

3 years ago