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guapka [62]
3 years ago
13

Y varies directly as x and inversely as the square of z. y equals 10 when x equals 36 and z equals 6. Find y when x equals 2 and

z equals 4.
y​ =
nothing
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0

Answer:

y = 20

Step-by-step explanation:

y =  \frac{kz}{x}  \\ 10 =  \frac{6k}{36}  \\ \frac{6k}{6}  = \frac{360}{6} \\ k= 60 \\  y =  \frac{4(60)}{2}  \\ y =  \frac{240}{2}  \\ y = 120

If this is right, then please make it the brainliest.

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What should be done to both sides of the equation in order to solve y + 8.5 = 17.2?
Amanda [17]

Answer:

Subtract 8.5

Step-by-step explanation:

To solve the equation, y has to be isolated (only y will be on one side of the equation)

To do this, we have to get rid of the 8.5, so it has to be subtracted from both sides.

So, the correct answer is subtract 8.5

7 0
2 years ago
Read 2 more answers
If you roll a six-sided die, what is P (not a 5)?​
Setler79 [48]

Answer:

5/6

Explanation:

5 of the sides of the die are not the number 5,

<em>Hence, </em><em>the answer is...</em>

<em>5/6</em>

7 0
3 years ago
A perfect square ends with the same two digits. How many possible values of this digit are there?
Alex73 [517]

Answer:

A perfect square is a whole number that is the square of another whole number.

n*n = N

where n and N are whole numbers.

Now, "a perfect square ends with the same two digits".

This can be really trivial.

For example, if we take the number 10, and we square it, we will have:

10*10 = 100

The last two digits of 100 are zeros, so it ends with the same two digits.

Now, if now we take:

100*100 = 10,000

10,000 is also a perfect square, and the two last digits are zeros again.

So we can see a pattern here, we can go forever with this:

1,000^2 = 1,000,000

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etc...

So we can find infinite perfect squares that end with the same two digits.

7 0
3 years ago
Please help me, thank you
Pavel [41]

Answer:

the answer is -3. Your welcome

4 0
2 years ago
Each day of overtime you work, you earn an additional $50 more than your regular pay of $100 a day.If you worked overtime 3 out
shusha [124]
The answer is 650 because 100 * 5 = 500 and 50 * 3 = 150 and 500 + 150 = 650
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3 years ago
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