2 years ago

The measure of ∠1 is 39°. What is the measure of ∠2?

Mathematics

1 answer:

Vlada [557]2 years ago

5 0

Answer:

141

Step-by-step explanation:

if the sum of the two angles equals 180 subtract 39 from 180 to get the remainder of 141 which is angle 2

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An estimated 3 out of every 25 men are left-handed. What percent of men are left-handed?

Annette [7]

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25x=300
300/25=x
x=12%

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3 years ago

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The number of entrees purchased in a single order at a Noodles & Company restaurant has had an historical average of 1.35 en

trasher [3.6K]

Answer:

a) 0.3571

b) The p-value is 0.362007.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 1.35

Sample mean, $\bar{x}$ = 1.4

Sample size, n = 26

Alpha, α = 0.01

Sample standard deviation, s = 0.7

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 1.35\text{ entrees per order}\\H_A: \mu > 1.35\text{ entrees per order}$

We use One-tailed t test to perform this hypothesis.

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$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n-1}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{1.4 - 1.35}{\frac{0.7}{\sqrt{25}} } = 0.3571$

b) The p-value at t-statistic 0.3571 and degree of freedom 25 is 0.362007.

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3 years ago

How much acetic acid is in a 5 - liter container of acetic acid and water that is marked 80% acetic acid ? How much is water ?

Goryan [66]

I think the question ur asking is what’s the volume of water?? If so then the volume of water is 1L

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1 year ago

Simplify using order of operations.<br><br> (51 − 6) ÷ 32 =

shepuryov [24]

Answer:45/32.

Step-by-step explanation:

51-6=45. Thus, our answer is 45/32.

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3 years ago

Evaluate the expression when a=-2 and x=7.<br> -2a+x

ziro4ka [17]

Step-by-step explanation:

-2a + x

Putting values of a = - 2 and x = 7

-2(-2) + 7

4 + 7

= 11

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2 years ago

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