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iren [92.7K]
3 years ago
13

Write the number name and expanded form for 710,231​

Mathematics
2 answers:
Rom4ik [11]3 years ago
6 0
63 is the answer ok
vekshin13 years ago
3 0

Answer:

seven hundred ten and two hundred and thirty one 700,000+ 10,000+ 200+30+1

Step-by-step explanation:

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klemol [59]

Answer:

y = -7x + 17

Step-by-step explanation:

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y + 4 = -7x + 21

now subtract 4 from each side

y = -7x + 17

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3 years ago
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Consider a left-tailed test, where the p-value is found to be 0.10. If the sample size n for this test is 49, then the t statist
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Answer:

df=n-1=49-1=48  

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p_v = P(t_{48} < t_{calculated})=0.1

And we can find the calculated value using excel or the t table.

If we use the following excel code we got: "=T.INV(0.1,48)"

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Step-by-step explanation:

State the null and alternative hypotheses to be tested  

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t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)  

t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

We can find the degrees of freedom for this test given by:

df=n-1=49-1=48  

We know that the p value is 0.1, and since is a left tailed test would be given by:

p_v = P(t_{48} < t_{calculated})=0.1

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If we use the following excel code we got: "=T.INV(0.1,48)"

And the calculated value is t_{calculated}=-1.29944

3 0
3 years ago
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ziro4ka [17]
\frac{15}{188}\cdot100\%=\\\\\frac{1500}{188}\%\approx8\%\\\\The\ tax\ was\ about\ 8\%\ of \ bill.
4 0
3 years ago
Write the equation of the graphs which have m=2, c = 1
jonny [76]

Answer:

y = 2x + 1

Step-by-step explanation:

formula for equation of graph:

y = mx + c

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y = 2x + 1

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You are asked to draw a triangle using three of the following angles: 0°, 30°, 45°, 55°, 60°, 80°, 90°, 105°. Which triangle can
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