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olya-2409 [2.1K]
3 years ago
14

Please help! File attached to this​

Mathematics
1 answer:
Juliette [100K]3 years ago
5 0

Answer:

C I think is the correct answer

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A sound wave enters a new medium where sound travels faster. How does this affect the frequency and wavelength of the sound?
worty [1.4K]
The frequency stays the same and the wavelength decreases.
6 0
3 years ago
Read 2 more answers
If two dice are rolled, what is the probability that the sum of the faces is 4, given that the first die rolled is odd?
cricket20 [7]

Answer:

701-36-458+97-116-205+876-46+632+78+338+270-

174-18-533+901-499475-91-306+53+687-68+259-665+

51-971-239-823+76+333+48+129-826+14+531-77+16+713

148+23-674-388+19+144-987-33+625-448+69+68+299-57 92+486+47-862+89+541+27+620-691+728-63-89+234-39

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444-705-28-128+692+43-365+207-14Iron filings are small shavings of a ferromagnetic material. Ferromagnetic (for the purposes of this page, at least) means that they will align themselves with a magnetic field. That being the case, iron filings are an excellent way to display the magnetic field of one or multiple bar magnets.

Step-by-step explanation:

#CARRYONLEARNING!

3 0
2 years ago
A water tank is being filled by pumps at a constant rate. The volume of water in the tank V, in gallons, is given by the equatio
mamaluj [8]

Answer:

65 gallons per minute

Step-by-step explanation:

The total volume of the tank at any given time is given by the equation:

V(t) = 65t + 280

In order to find the rate of change of volume, we can simply differentiate this equation with respect to time. This will give us the rate of change of the volume or the rate at which water is being pumped into the tank.

Differentiating the above equation we get:

V'(t) = 65

So we can see that the rate at which water is being pumped into the tank is 65 gallons per minute

7 0
3 years ago
Say that the economy is in an expansion, causing wages to increase by six percent. if you previously received a monthly salary o
Westkost [7]

From previously received a monthly salary of $1,375.00, Your new monthly salary increase by six percent would be $1,457.50.

What is the percentage?

A percentage is a minimum number or ratio that is measured by a fraction of 100.

You previously received a monthly salary of $1,375.00

Now by economic expansion, causing wages to increase by 6%

Increment of the salary = 6% of 1,375.00

= 6/100 × 1,375

= 0.06 × 1,375

= $82.50

So, your new monthly salary would be = $1,375.00 + $82.50

                                                               = $1,457.50

Hence, your new monthly salary would be $1,457.50.

Learn more about percentages;

brainly.com/question/13450942

8 0
2 years ago
Plz right answer=brainlyest
brilliants [131]

Answer:

B—283 cm^2

Step-by-step explanation:

SA=πr^2 + πrl

r=5

l=13

SA=π5^2 + π5*13

SA=π25 + π65

SA=78.5398 + 204.2035

SA=282.7433

SA=283=B

3 0
3 years ago
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