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Reika [66]
4 years ago
9

Find the volume of the given prism. Round to the nearest tenth if necessary.

Mathematics
2 answers:
drek231 [11]4 years ago
8 0

You answer should be 308.9 cm3

Vaselesa [24]4 years ago
5 0

The answer is B. 308.9 cm³.

The volume of a rectangular prism is found my multiplying the width by the height by the length.

v=w×h×l

v=3.9 cm×6 cm×13.2 cm

v=308.88 cm³

308.88 rounded to the nearest tenth becomes 308.9.

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Morgarella [4.7K]

Answer:

It’s the last one

Step-by-step explanation:

3 0
4 years ago
A sound receiving dish used at outdoor sporting events is constructed in the shape of a paraboloid, with its focus 8 inches from
bixtya [17]

Answer:

w≅8.46ft

Step-by-step explanation:

Data

focus=8

vertex=(0,0)

width=?

depth (y)=3ft

parabola equation: (x-h)^{2}=4p(y-k); then for V=(0,0), x^{2} =4py, be focus(f)=8in;  x^{2} =4*8*y=32y → y=\frac{x^{2} }{32}

we have that y=3ft then 3=\frac{x^{2} }{32}; but 1in≅0.083ft so x^{2} =3*32*0.083=7.968 → x=±2.82, finally w=3*2.82≅8.46ft

6 0
3 years ago
A local animal feed company makes its feed buy a ton which is 2000 pounds. They want to include a medication in the field. Each
r-ruslan [8.4K]

Answer: There is 400 grams of medication that should the feed company ad for each ton of food they produce.

Step-by-step explanation:

Since we have given that

Quantity of medication each country need a day = 300 mg

Number of pounds per day consumes by each cow = 15 pounds

So, it becomes

\dfrac{300}{15}=20\ mg/pounds

As we know that

1 g = 1000 mg

So, 20 mg = \dfrac{20}{1000}=0.02\ g/pounds

Total number of pounds = 2000 pounds

So, number of grams of medication that should the feed company ad for each ton of food they produce is given by

2000\times 0.02=400\ grams/ton

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8 0
4 years ago
The paint used to make lines on roads must reflect enough light to be clearly visible at night. Let μ denote the true average re
tatuchka [14]

Answer:

We conclude that average reflectometer reading for a new type of paint is greater than 20

Step-by-step explanation:

We are given the following in the question:  

Population mean, μ = 20

Sample size, n = 13

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First, we design the null and the alternate hypothesis

H_{0}: \mu = 20\\H_A: \mu > 20

Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} } = 3.2

Degree of freedom = n - 1 = 13 - 1 = 12

Now, we calculate the p-value with the help of standard table.

P-value = 0.004

Since, the p-value is less than the significance level, we fail to accept the null hypothesis and reject it.

Thus, there is enough evidence to support that average reflectometer reading for a new type of paint is greater than 20

5 0
3 years ago
there are 176 slices of bread in 8 loaves.if there are the same number of slices in each loaf,how many slices of bread are in 5
katovenus [111]
35 slices of bread per loaf
4 0
3 years ago
Read 2 more answers
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