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MatroZZZ [7]
2 years ago
7

Math screenshot under cut

Mathematics
2 answers:
Gekata [30.6K]2 years ago
4 0

Answer:

150 cubic feet

1/10 ton

300 lbs

Step-by-step explanation:

First find the volume of the prism

5*5*6

=150 cubic feet

Next, we need to find out how much one cubic foot weighs

150 cubic feet weighs 15 tons

150 cubic feet =15 tons

1 cubic foot =1/10 ton

A ton is 2000 lbs

1/10 of 2000 is 200

Mumz [18]2 years ago
3 0
It’s 150 cubic feet, 1/2 ton, or 300 lbs
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What is -a-5/4(-8/3a+1)
insens350 [35]

The simplified expression would be 7a/3 - 5/4.

4 0
3 years ago
A chord consists of notes that sound good together. The C major chord starting at middle C has the following frequencies: C - 26
Bingel [31]

Answer:

The frequency of note E is:

f(E) = 330 Hz

The frequency of note C is:

f(C) = 262 Hz

The ratio of the frequency of note E to the frequency of note C is just the quotient of these two frequencies:

r  = f(E)/f(C) = 330Hz/262Hz = 330/262 = 1.26

Now, we want to find how man E waves will fit in the length of four C waves.

Note that here the word "length" is used, so we need to work with the wavelengths, not with the frequencies.

For waves, we have the relationship:

v = f*λ

where:

v = velocity (in this case, velocity of the sound = 343 m/s)

f = frequency

λ = wavelength.

So, the length of a single E wave is:

λ(E) = (343 m/s)/(330 1/s) = 1.04 m

And the length of a single C note is:

λ(C) = (343 m/s)/(262 1/s) = 1.30 m

In four C waves, the length is:

4*λ(C) = 4*1.30m = 5.2m

The number of E waves that fit in the length of four C waves is equal to the quotient between the length of four C waves and one E wave:

N = (4*λ(C))/(λ(E) ) = (5.2 m)/(1.04m) = 5.14

So we can fit 5 E waves into four C waves.

6 0
3 years ago
Anyone know the answer ?
alekssr [168]

Answer:

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Step-by-step explanation:

5 0
2 years ago
could you possibly help me with this question? (its not part of a graded assignment, just a review from an online course of mine
Virty [35]

Let:

x = Pounds of walnuts in the mix.

Each pound of walnuts costs $0.80. thus x pounds of walnuts cost 0.8x dollars.

Each pound of cashews costs $1.25 and the mix will contain 8 pounds of cashews, so the cost is 8*$1.25 = $10

The total cost of the mix is, therefore: 0.8x + 10 dollars.

We are also given the pound of mix costs $1.00 and we have a total of 8 + x pounds, so the total cost of the mix is 1*(8 + x) dollars.

Equating both costs:

0.8x + 10 = 1*(8 + x)

Operating:

0.8x + 10 = 8 + x

Subtracting x and 10:

0.8x - x = 8 - 10

Simplifying:

-0.2x = -2

Dividing by -0.2:

x = -2/(-0.2)

x = 10

Answer: 10 pounds

8 0
1 year ago
I need a specific explanation of how to answer this
zimovet [89]
A rectangle has two dimensions, width and length, and the area of it is their product.

since we know its area is 3x²-11x-4, then the two factors from that trinomial are the likely width and length, namely (3x + 1) (x - 4).

you can check them with FOIL.
5 0
3 years ago
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