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Sergeeva-Olga [200]
4 years ago
8

Just need help finding X and Y

Mathematics
1 answer:
Lapatulllka [165]4 years ago
5 0

Answer:

<h2>x = 8 and y= 12</h2>

Step-by-step explanation:

For x use the Pythagorean theorem:

x^2+6^2=10^2

x^2+36=100              <em>subtract 36 from both sides</em>

x^2=64\to x=\sqrt{64}\\\\x=8

We know: x + y = 20. Substitute:

8+y=20              <em>subtract 8 from both sides</em>

y=12

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BRAINLIEST<br><br> WHAT IS 2*2?<br><br> WHAT IS 2+2?<br><br> help
gladu [14]

2 * 2 = 4

2 + 2 = 4

Hope it helps! :)

4 0
3 years ago
Read 2 more answers
I 3) At 10:30 am, a submarine was 43 feet below the ocean surface. By 10:45 am, it was 271 feet below the surface. How much did
Aleks [24]

Answer: 228 Feet

Step-by-step explanation: 271 feet - 43 feet = 228 feet descended.

3 0
3 years ago
Is -33 irrational or rational?
vladimir2022 [97]

-33 is a rational number. It is an integer with a definitive stopping point (by this I mean it is not a decimal number with endless repeating digits).

4 0
4 years ago
According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 20
Murljashka [212]

Answer:

There is not enough evidence to support the claim that Alaska had a lower proportion of identity theft than 23%.  

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1432

p = 23% = 0.23

Alpha, α = 0.05

Number of theft complaints , x = 321

First, we design the null and the alternate hypothesis  

H_{0}: p = 0.23\\H_A: p < 0.23

This is a one-tailed test.  

Formula:

\hat{p} = \dfrac{x}{n} = \dfrac{321}{1432} =0.2241

z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

Putting the values, we get,

z = \displaystyle\frac{0.2241-0.23}{\sqrt{\frac{0.23(1-0.23)}{1432}}} = -0.5305

Now, we calculate the p-value from the table.

P-value = 0.298

Since the p-value is greater than the significance level, we fail to reject the null hypothesis and accept the null hypothesis.

Conclusion:

Thus, there is not enough evidence to support the claim that Alaska had a lower proportion of identity theft than 23%.

5 0
3 years ago
Jennifer earned $1000 babysitting over the summer. She spent $250 of her earnings on new clothes. What percent of her earnings d
emmainna [20.7K]

Answer:

25%

Step-by-step explanation:

she earned $1,000

she spent $250

250/1000 = 0.25

0.25 x 100 = 25%

4 0
3 years ago
Read 2 more answers
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