2 years ago

Write two expressions (with at least two terms each) that when added together have a sum of -4n + 6.

Mathematics

1 answer:

andriy [413]2 years ago

3 0

I don’t even know I just need points

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A recent survey indicated that the average amount spent for breakfast by business managers was $9.33 with a standard deviation o

olasank [31]

Answer:

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

Replacing the info given we got:

$t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3$

Step-by-step explanation:

Information given

$\bar X=9.41$ represent the sample mean

$s=0.24$ represent the sample standard deviation

$n=81$ sample size

$\mu_o =9.33$ represent the value to verify

$\alpha=0.05$ represent the significance level

t would represent the statistic

$p_v$ represent the p value

Hypothesis to test

We want to test if the true mean is higher than 9.33, the system of hypothesis would be:

Null hypothesis: $\mu \leq 9.33$

Alternative hypothesis: $\mu > 9.33$

The statistic is given by:

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

Replacing the info given we got:

$t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3$

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3 years ago

Find the unknown value of 5/25 = 13/

Snowcat [4.5K]

65, since 25/5=5.
13*5=65

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3 years ago

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NEED HELP PLEASE!!<br><br> 3 to the power of 4 + 2 ⋅ 5 = ____. (Input whole numbers only.)

olya-2409 [2.1K]

3^4 + 2 * 5 = 91

The answer is 91.

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Luis walked for 16 minutes Natalie walked for w minutes Luis walked twice as long as Natalie how long did Natalie walked?

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Natalie walked for 8 minutes

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A number less than 35 verbal expression

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Let y be the number

y < 35

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