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Nataly_w [17]
3 years ago
6

A shipping tube is shaped like a right triangular prism. The bases are equilateral triangles with edges of 5 inches and a height

of 4.3 inches. The tube is 14 inches long. Find the lateral surface area of the shipping tube.
70 square inches
40 square inches
210 square inches
168 square inches
Mathematics
2 answers:
Zigmanuir [339]3 years ago
6 0

Answer:

Option C is the correct answer.

Step-by-step explanation:

Area of lateral surface = 3 x Area of rectangle

Rectangle is of  5 inches width and 14 inches long.

Area of rectangle =  5 x 14 = 70 square inches

Area of lateral surface = 3 x Area of rectangle

Area of lateral surface = 3 x 70 = 210 square inches

Option C is the correct answer.

Effectus [21]3 years ago
4 0
70 square inches you multaply
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Answer:

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Step-by-step explanation

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2 years ago
Complete parts ​(a) through ​(c) below.
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Answer:

a)t_{crit}= 1.34

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Step-by-step explanation:

Part a

The significance level given is \alpha=0.1 and the degrees of freedom are given by:

df = n-1= 15

Since we are conducting a right tailed test we need to find a critical value on the t distirbution who accumulates 0.1 of the area in the right and we got:

t_{crit}= 1.34

Part b

The significance level given is \alpha=0.01 and the degrees of freedom are given by:

df = n-1= 20-1=19

Since we are conducting a left tailed test we need to find a critical value on the t distirbution who accumulates 0.01 of the area in the left and we got:

t_{crit}=-2.539

Part c

The significance level given is \alpha=0.05 and \alpha/2 =0.025 and the degrees of freedom are given by:

df = n-1= 11-1=10

Since we are conducting a two tailed test we need to find a critical value on the t distirbution who accumulates 0.025 of the area on each tail and we got:

t_{crit}=\pm 2.228

4 0
3 years ago
If 2 + 2^2 + 2^3 +...+ 2^n = 510 then n = ?
jonny [76]

Answer:

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Step-by-step explanation:

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