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Sedaia [141]
3 years ago
15

What is the square root of 100?

Mathematics
1 answer:
Naily [24]3 years ago
6 0
The square root of 100 is 10
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Complete the solution of the equation. Find the value of y when X equals 15. -X - 9y = 39
mrs_skeptik [129]
-15-9y=39
+15     +15
-9y/-9=54/-9
y=-6

6 0
3 years ago
I read it and I don’t get it
sertanlavr [38]
1) 9+6 = 15
15+31 = 46

2) (12.5+0) + (1+43.5)
12.5+44.5
= 57

So answer to number 1 is 46
Answer to number 2 is 57
3 0
3 years ago
What is the fraction ten twelfths in it's simplest form?
Klio2033 [76]

Hi there!

Below is the fraction we are working with:

\frac{10}{12}

To simplify this fraction down to its lowest form, we see what number(s) can go into the numerator and the denominator evenly. We can start off with the number 2. 2 goes evenly into each number, can't it? :)

So, we can cut down \frac{10}{12} to \frac{5}{6}.

\frac{5}{6} is already in it's simplest form. Now, we can see if they're equivalent. If not, we have to start all over.

Since \frac{10}{12} equals 83.3, we have to make sure \frac{5}{6} does, too.

Just divide the numerator by the denominator to see what you have.

5 ÷ 6 = 83.3 with a repeating decimal, so they're equivalent!

Hope this helps!

If you need anything else, don't just sit there - Let me know! :D

6 0
3 years ago
Read 2 more answers
18 POINTS! At the AoPS office, mice vary inversely with cats, that is, mice=k/cats, for some value of k. When there are 3r-19 ca
Blizzard [7]

Answer:

k=30

Step-by-step explanation:

The number of mice vary inversely with cats. This is written as:

Mice \propto \dfrac{1}{Cat} \\Mice = \dfrac{k}{Cat}

When there are 3r-19 cats, there are 2r+1 mice

2r+1 = \dfrac{k}{3r-19}\\$Cross multiply$\\k=(3r-19)(2r+1)

When there are 6r-27 mice, there are r-5 cats.

6r-27 = \dfrac{k}{r-5}\\$Cross multiply$\\k=(6r-27)(r-5)

Taking the values of k above, we have:

k=(3r-19)(2r+1) =(6r-27)(r-5)\\(3r-19)(2r+1) =(6r-27)(r-5)\\6r^2+3r-38r-19=6r^2-30r-27r+135\\$Collect like terms\\6r^2-6r^2+3r+30r-38r+27r-19-135=0\\22r-154=0\\22r=154\\$Divide both sides by 22\\r=7

Therefore:

k=(3r-19)(2r+1) \\=(3*7-19)(2*7+1)\\=(21-19)(14+1)\\=2*15\\k=30

8 0
3 years ago
If t varies inversely with s and t is 2 when s is 36, what is t when s is 3
erma4kov [3.2K]
T=k/s
So k/36 = 2
k = 72

Put into original equation
t= 72/3 (s is 3)
So t is 24
3 0
4 years ago
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