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nirvana33 [79]
3 years ago
12

Given the equation, 3/(y - 5) = 15/(y + 4) what is the value of y?

Mathematics
1 answer:
pogonyaev3 years ago
5 0

Answer:

y = 29/4

Step-by-step explanation:

It is given that,

3/(y - 5) = 15/(y + 4)

<u>To find the value of y</u>

we have,

3/(y - 5) = 15/(y + 4)

3(y + 4) = 15(y - 5)

(y + 4) = 5(y - 5)     [dividing both sides by 3]

y + 4 = 5y - 25

5y - 25 = y + 4

5y - y = 4 + 25

4y = 29

y = 29/4

Therefore the value of y = 29/4

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Please answer all part correct​
insens350 [35]

Answer:

a). We want to know how much each point was worth.

b). 12x+5=41

c). Each problem worth 3 points.

Step-by-step explanation:

a). We want to know how much each problem was worth. Because we have the total points of the test, and how much was the bonus. But we still don't know the worth of each problem.

b). We know that the total points of the test were 41, and the bonus 5 points. There were 12 problems on the test and we are going to use "x" for the unknown part (how many points each problem was worth).

The equation is :

12x+5=41

Why 12x? Because if you multiply the twelve problems of the test with the worth of each one and then add the 5 points of the bonus you will obtain the total points of the test (41).

c). Now we have to solve the equation, this means that we have to clear "x":

12x+5=41

Subtract 5 from both sides.

12x+5-5=41-5\\12x=36

Finally divide in 12 both sides of the equation:

\frac{12x}{12}=\frac{36}{12} \\\\x=3

Then each problem worth 3 points.

7 0
3 years ago
Read the following two statements. Then, if possible, use the Law of Detachment to draw a conclusion. The doctor recommends rest
ra1l [238]

The doctor recommends rest if the patient has the flu. Then the correct option is A.

<h3>What is decision-making?</h3>

Determining the proper option, acquiring evidence, and exploring various options are all steps in the decision-making process.

Read the following two statements.

Then, if possible, use the Law of Detachment to draw a conclusion.

Then the correct option is A.

The doctor recommends rest if the patient has the flu.

More about the decision-making link is given below.

brainly.com/question/3369578

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8 0
2 years ago
Adriano purchased a living room set for $4,308 using an 18-month deferred payment plan with an interest rate of 16.59%. What is
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C. I hope this helps!
5 0
3 years ago
Julia used 1 foot square stone tiles to make a patio. She laid the tiles in a square, 7 tiles wide by 7 tiles long. What is the
marshall27 [118]

Answer: 49\ ft^2

Step-by-step explanation:

The formula that is used to calculate the area of a square is this one:

A=s^2

Where "s" is the side lenght of the square

You know that Julia used 1 foot square stone tiles, then each side lenght of the this tiles is:

s_{tile}=\sqrt{1\ ft^2}\\\\s_{tile}=1\ ft

Since Julia laid 7 tiles wide by 7 tiles long, the side lenght of the new patio is:

s_{patio}=7(1\ ft)\\\\s_{patio}=7\ ft

Therefore its area is:

A_{patio}=(7\ ft)^2\\\\A_{patio}=49\ ft^2

5 0
3 years ago
Read 2 more answers
Can someone help me with this pls?
Pavlova-9 [17]

Answer:

1176cm^{3}

Step-by-step explanation:

First, calculate the volume as if it was a full rectangle.

Volume formula:

length x width x height

16 x 6 x 21 = 2016cm^{3} (this is the volume if this was a full rectangle)

Now to calculate the size of the missing part we do the same thing

10 x 6 x 14 = 840cm^{3}

To work out the volume of this shape, we need to subtract the volume of the missing part from the volume of the rectangle

2016 - 840 = 1176cm^{3}

I hope this helped :-)

5 0
3 years ago
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