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Komok [63]
3 years ago
14

A type of cracker, rectangular in shape, is stored in a vertical column with all of the crackers stacked directly on top of each

other. Each cracker measures 2 inches in length by 1 1/2 inches in width. The volume of the column is 15 inches cubed. If there are 40 crackers in the column, what is the height of each individual cracker?
A-3/40 in
B- 1/8 in
C-1/5 in
D- 3/8 in
Mathematics
1 answer:
Inessa [10]3 years ago
8 0

Answer:

B- 1/8 inch

Step-by-step explanation:

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Answer:

addition property

Step-by-step explanation:

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7 0
1 year ago
Select all that have a value of 0.<br> -cos pi/2<br> -cos 0<br> -sin 0<br> -sin 3pi/2<br> -tan pi
Lapatulllka [165]
Sin 0 sin 3pi/2 and tan pi

cos pi/2 is -.5
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8 0
3 years ago
Read 2 more answers
Use the formula S A = 6s2 , where S A is the surface and s is the edge length of the cube , to solve his problem.
Gennadij [26K]
To find the surface area of the cube using the formula, you would substitute in 2 1/2 for the length of the side.

SA = 6 x 2.5 x 2.5
SA = 37.5 ft.²

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4 0
3 years ago
In an effort to estimate the mean of amount spent per customer for dinner at a major Lawrence restaurant, data were collected fo
larisa86 [58]

Answer:

The 99% confidence interval for the population mean is 22.96 to 26.64

Step-by-step explanation:

Consider the provided information,

A sample of 49 customers. Assume a population standard deviation of $5. If the sample mean is $24.80,

The confidence interval if 99%.

Thus, 1-α=0.99

α=0.01

Now we need to determine z_{\frac{\alpha}{2}}=z_{0.005}

Now by using z score table we find that  z_{\frac{\alpha}{2}}=2.58

The boundaries of the confidence interval are:

\mu-z_{\frac{\alpha}{2}}\times \frac{\sigma}{\sqrt{n} }\\24.80-2.58\times \frac{5}{\sqrt{49}}=22.96\\\mu+z_{\frac{\alpha}{2}}\times \frac{\sigma}{\sqrt{n} }\\24.80+2.58\times \frac{5}{\sqrt{49}}=26.64

Hence, the 99% confidence interval for the population mean is 22.96 to 26.64

3 0
3 years ago
The lengths of the sides of a square are represented by the expression 3x + 1 cm. The perimeter of the square is 28 cm. What is
pshichka [43]

Answer:

x=2

Step-by-step explanation:

Perimeter of a square = 4*(side of the square)

28 = 4*(3x+1)

28 = 12x + 4

28- 4 = 12x

24 = 12x

x =2

7 0
3 years ago
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