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valkas [14]
3 years ago
5

Find the common ratio of the sequence -80,20,-5,1.25

Mathematics
1 answer:
Xelga [282]3 years ago
4 0
Okay well here's what I got.

Hoped It Helped

:)

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Convert the following fraction to a decimal 4/13​
Elden [556K]

Fraction: \frac{4}{13} \\

Decimal: 0.308

Explanation: \frac{4}{13} \\ means 4 ÷ 13. If you do that division, you get 0.3076 which can be rounded up to 0.308.

4 0
3 years ago
Number of Text Messages a Day A random sample of n = 755 US cell phone users age 18 and older in May 2011 found that the average
Alexeev081 [22]

Answer:

The 95% confidence interval is  (29.54 - 53.46}

Step-by-step explanation:

given data:

\hat X = 41.5

Se = 6.1

n = 755

a) best estimate  \hat x = 41.5

b) at 95% confidence interval

\alpha = 1- 0.95 = 0.05

\alpha /2 = 0.025

z_{\alpha/2} = z_{0.025} = 1.96

at 95% confidence interval for [/tex]\mu[/tex]

\hat x \pm z_{\alpha /2} \times Se

41.5 \pm 1.96\times 6.1

41.5 \pm 11.96

The 95% confidence interval is  (29.54 - 53.46}

7 0
3 years ago
Which number line shows the solution to 1/4 x + 1 < 5
grigory [225]

Answer:

The correct line is the third one, x must be less than 16.

Step-by-step explanation:

Give me a brainliest.

5 0
3 years ago
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Whats the LCM of 63 and 84
makkiz [27]
252 would be the LMC of 63 and 84
7 0
3 years ago
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The scale on a drawing of a swimming pool is 1cm=4m. What is the actual length of the pool if it's 10cm long on the drawing
Usimov [2.4K]

1 cm was multiplied by ten, so wee need to do that on the other side too.

1 times 10 = 10 cm, so 4 times 10 = 40 meters,
So your answer is 40 meters. Hope it helps!
4 0
3 years ago
Read 2 more answers
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