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tatiyna
2 years ago
14

Charles needs construction paper to finish a project. To wrap the box he knows he needs a lot of construction paper. The box is

double the width for the length, the width is 4 inches, and the height is 10 inches. What is the surface area of this box?
Surface Area:
Mathematics
1 answer:
san4es73 [151]2 years ago
3 0

Answer:

304

Step-by-step explanation:

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What is the first step that should be used to solve the equation?<br> 12.5n=200
zimovet [89]

Answer:

200/12.5 and then you'll get the answer

Step-by-step explanation:

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Write 108.92 in expanded form.
Vlada [557]

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1.0892*10²

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1.0892*10²

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2 years ago
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When 258 college students are randomly selected and surveyed, it is found that 106 own a car. Find a 99% confidence interval for
juin [17]

Answer: 0.332 < p < 0.490

Step-by-step explanation:

We know that the confidence interval for population proportion is given by :-

\hat{p}\pm z^*\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

, where n= sample size

\hat{p} = sample proportion

z* = critical z-value.

As per given , we have

n= 258

Sample proportion of college students who own a car = \hat{p}=\dfrac{106}{258}\approx0.411

Critical z-value for 99% confidence interval is 2.576. (By z-table)

Therefore , the  99% confidence interval for the true proportion(p) of all college students who own a car will be :0.411\pm (2.576)\sqrt{\dfrac{0.411(1-0.411)}{258}}\\\\=0.411\pm (2.576)\sqrt{0.00093829}\\\\= 0.411\pm (2.576)(0.0306315197142)\\\\=0.411\pm 0.0789=(0.411-0.0789,\ 0.411+0.0789)\\\\=(0.3321,\ 0.4899)\approx(0.332,\ 0.490)

Hence, a 99% confidence interval for the true proportion of all college students who own a car : 0.332 < p < 0.490

3 0
3 years ago
Brainiest to whoever right
marishachu [46]

Answer:

The area is 7.5 square units

8 0
3 years ago
( PLEASE HELP) The points (3,-2) (-3,-2) and (-3,6) are the vertices of a triangle. Find the perimeter of the triangle. (Hint: U
True [87]
Look at the picture.

x^2=6^2+8^2\\\\x^2=36+64\\\\x^2=100\to x=\sqrt{100}\to x=10

The perimeter of the triangle:

P_\Delta=6+8+10=24

6 0
2 years ago
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