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sp2606 [1]
3 years ago
6

2. The quotient of a number and -9 increased by 10 is 11.

Mathematics
1 answer:
MrMuchimi3 years ago
7 0

Answer:

Step-by-step explanation:

This question isn't worded the greatest, there are two ways you can read this.

1.  The quotient of a number and -9, increased by 10, is 11

2. The quotient of a number, and -9 increased by 10, is 11

The first equation will look like this

\frac{x}{-9} +10 = 11

And the second will look like this

\frac{x}{-9+10}   = -11

So I have solved for both (I personally believe the second way of reading the question is the correct way)

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Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea
asambeis [7]

Answer:

n\geq 23

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

n\geq (\frac{z\sigma}{ME})^2

Where:

  • \sigma is the standard deviation
  • ME is the desired margin of error.

We substitute our given values to calculate the sample size:

n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23

Hence, the smallest desired sample size is 23

3 0
3 years ago
-4 times a number plus 16 is -116. find the number and show work.
pav-90 [236]
-4*25 = -100+16 = -116
6 0
3 years ago
How to find the value of x in each figure?​
mezya [45]

You need to multiply the length and the width of the shape.

7 0
3 years ago
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Simplify (2z^5)(12z^3)/4z^4
Sphinxa [80]

Answer:

6z^{4}

Step-by-step explanation:

Given in the question an expression,

\frac{ (2z^5)(12z^3)}{4z^4}

Step 1

Apply exponential "product rule"

x^{m}x^{n}=x^{m+n}

\frac{ 12(2)z^5)(z^3)}{4z^4}

\frac{ (24)z^5)(z^3)}{4z^4}

\frac{ 24(z^{(5+3)})}{4z^4}

\frac{ 24(z^{8})}{4z^4}

Step 2

Apply exponential " divide rule"

\frac{x^{m}}{x^{n}}=x^{m-n}

\frac{24/4(z^{8})}{z^4}

\frac{6(z^{8})}{z^4}

\frac{6(z^{8-4})}{1}

6z^{4}

5 0
3 years ago
I'm lost.. How do you even start it???
Anastasy [175]
2x+y=4\\
-x+y=1\\\\
2x+y=4\\
\underline{x-y=-1}\\
3x=3\\
x=1\\\\
1-y=-1\\
y=2

7 0
3 years ago
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