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Nadusha1986 [10]
3 years ago
11

A (I cant say it on here for some reason )water fish tank requires a certain salinity. To reach this requirement, the relationsh

ip between gallons of water and pounds of salt needs to be proportional. The relationship can be modeled as a line on the coordinate plane where x represents the number of gallons of water and y represents the number of pounds of salt. If the line passes through the point (5,1.5) , what does that point represent?
Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0

Answer: Represents when the equation is at 5 gallons of water 1.5 pounds of salt is needed to have the correct salinity

Step-by-step explanation:

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Mrs. Carlyle bought a bag of nuts for her children. Phillip, Joy, Brent, and Preston took some from the bag.Phillip took 1/3. Jo
BARSIC [14]

Answer:

Originally there was 324 nuts in the bag.

Phillip took 108, Joy took 54, Brent took 81 and Preston took 10.

Step-by-step explanation:

Let's call the total amount of nuts N, and the number of nuts each child took by the initial of their name (Phillip will be P1 and Preston will be P2).

So we can write the following equations:

P1 = N/3

After removing N/3, the remaining nuts is (N - N/3):

J = (N - N/3)/4 = (2N/3)/4 = N/6

After removing N/6 from (N - N/3), the remaining nuts is (N - N/3 - N/6):

B = (N - N/3 - N/6)/2 = (N/2)/2 = N/4

P2 = 10

In the final there were 71 nuts remaining, so we have that:

N - N/3 - N/6 - N/4 - 10 = 71

N - N/3 - N/6 - N/4 = 81

N/4 = 81

N = 324 nuts

The amount of nuts took by each child is:

P1 = N/3 = 108 nuts

J = N/6 = 54 nuts

B = N/4 = 81 nuts

P2 = 10 nuts

8 0
4 years ago
ASAP I need the answer.
vodomira [7]
Hello!

The answer to number two is, "42 mm".

I will answer all questions in comments below! Please mark as brainliest.

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8 0
3 years ago
Read 2 more answers
identify the initial amount a and the rate of growth r (as a percent) of the exponential function H(t) = 175 (1.028)t. evaluate
Liula [17]

From the given exponential function, we have that:

  • The initial amount is of 175.
  • The growth rate is of 2.8%.
  • When t = 5, we have that H(5) = 201.

<h3>What is an exponential function?</h3>

An increasing exponential function is modeled by:

A(t) = A(0)(1 + r)^t

In which:

  • A(0) is the initial value.
  • r is the growth rate, as a decimal.

In this problem, the function is:

H(t) = 175(1.028)^t

  • The initial value is of A(0) = 175.
  • The growth rate is of 0.028 = 2.8\%, as 1 + r = 1.028 \rightarrow r = 0.028.

When t = 5, we have that:

H(5) = 175(1.028)^5 = 201

You can learn more about exponential functions at brainly.com/question/25537936

7 0
2 years ago
Write a division equation that represents the question: how many 3/8s are in 5/4​
Llana [10]

Answer:

3*8 = 24 and 5*4 = 20. Multiply the two denominators: 8*4 = 32.

Step-by-step explanation:

3 0
3 years ago
I need help fast thanks
Galina-37 [17]

Answer:

In the explanation

Step-by-step explanation:

a) Multiply the second equation by 2, subtract both lines. You get x = -3. Plug this in to get y, y = -2

b) Multiply the first equation by 2, add both lines. You get x = 8. Plug this in to get y, y = -3

c) Multiply the first equation by 5, subtract both lines. You get y = 1. Plug this in to get x, x = -3

d) Multiply the first equation by 2 and the second one by 3, add both lines. You get x = 1. Plug this in to get y, y = 4

Hope this helps!

7 0
3 years ago
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