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frez [133]
3 years ago
8

Consider the 6-inch × 9-inch rectangular cake that is 2 inches deep. If you cover the cake with frosting excluding the bottom, w

hat is the surface area of the cake that will be covered with frosting? Write an essay. Pls, help. Thx
Mathematics
1 answer:
Vinvika [58]3 years ago
8 0

Answer:168in^2

Step-by-step explanation:

You might be interested in
Please help!!!!!!!!!!!!!!!!!!!!!!!!
Sunny_sXe [5.5K]

Answer:

145 lb

Step-by-step explanation:

416 x 5(oz) = 2080

(Now to convert oz to lb)

2080 ÷ 16 = 130

The apples are 130 pounds, now to add the barrel's weight

130 + 15 = 145

4 0
3 years ago
Does the amount of hazardous material absorbed by the bodies of hazardous waste workers depend on gender? The level of lead in t
Eva8 [605]

Answer:

Correct option is (A).

Step-by-step explanation:

A two-sample <em>t</em>-test can be performed to determine whether the amount of hazardous material absorbed by the bodies of hazardous waste workers depend on gender or not.

Th hypothesis will be:

<em>H₀</em>: The amount absorbed by men is same as the amount absorbed by women, i.e. <em>μ</em>₁ = <em>μ</em>₂.

<em>Hₐ</em>: The amount absorbed by men is greater than the amount absorbed by women, i.e. <em>μ</em>₁ > <em>μ</em>₂.

The test statistic used is:

t=\frac{\bar x_{1}-\bar x_{2}-(\mu_{1}-\mu_{2})}{\sqrt{\frac{s_{1}^{2}}{n_{1}}+\frac{s_{2}^{2}}{n_{2}}}}

The decision rule to reject the null hypothesis based on the <em>p</em>-value is:

If the <em>p</em>-value of the test is less than the significance level <em>α</em> then the null hypothesis will be rejected. And if the <em>p</em>-value of the test is greater than the significance level <em>α</em> then the null hypothesis will not be rejected.

The <em>p</em>-value of the test is,

<em>p </em>- value = 0.0032

The commonly used significance levels are:

<em>α</em> = 0.01, 0.05 and 0.10.

The <em>p</em>-value of this test is less than all these <em>α</em>'s.

Thus, the null hypothesis will be rejected.

<u>Conclusion:</u>

As the null hypothesis is rejected, it can be concluded that the amount of leas absorbed by men is significantly greater than the amount absorbed by women.

Thus, the correct option is (A).

4 0
3 years ago
I don’t. Think I posted this one
Assoli18 [71]

Answer:

The volume of the ice cream cone is 528.1 cubic centimeters.

Step-by-step explanation:

The formula for finding the volume of a cone is V = \pi r^2\frac{h}{3}.

Substitute values now:

V = \pi* 5.8^2*\frac{15}{3}

V ≈ 528.1

3 0
3 years ago
Read The question and Then give Me The answer for number 20
N76 [4]
The second option, 7 rolls of quarters and 4 rolls of dimes.

7*10=70
4*5=20
70+20=90
7 0
3 years ago
What is 10 times as much as 30
Marizza181 [45]
It is 300, hope it helps
4 0
2 years ago
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