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3 years ago

I need help on this question if someone can help me that would be great

Mathematics

2 answers:

enot [183]3 years ago

8 0

Measurement of angle b is equal to fourty degrees
This is because all angles in a triangle must equal to 180 degrees (180-82-58)

Measurement of angle f is 69 degrees (180-46-65)

Measurement of angle h is 65 degrees (180-46-69)

Marizza181 [45]3 years ago

7 0

Answer:

Angle B = 180 - ( 82 + 58 )

Angle B = 180 - 140 = 40°

Angle F = 180 - ( 46 + 65 )

Angle F = 180 - 111 = 69°

Angle H = 180 - ( 46 + 69 )

Angle H = 180 - 115 = 65°

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A Florida newspaper reported on the topics that teenagers most want to discuss with their parents. The findings, the results of

ANEK [815]

Answer:

Since Family's Financial Situation and Religion seem more of a Family Discussion, I would round 46% to 50%. Then 37% to 40%. Add 50% and 40% and you'll get 90%.

Step-by-step explanation:

And by percent confidence level, I hope you're talking about mine...I would say 99% confidence level....lol

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3 years ago

Solve the following equation for I. A = 2 πr + πrl. Explain each step.<br> BRAINLY IF CORRECT

hram777 [196]

Answer:

Step-by-step explanation:

A = 2π +πrl

A - 2π = πrI subtract by 2π

(A- 2π)/(πr) = I divide by πr to isolate I

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3 years ago

Solve for x.<br> y = (5+x}m<br> Answer?

Tanzania [10]

Answer:

x=ym−4

Step-by-step explanation:

y=(4+x)m

Here we have one equation with three unknowns. This cannot be "solved". We can only express one variable in terms of the other two.

Let's isolate x.

Divide through by m

ym=4+x

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(I really hope this helps)

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3 years ago

An average computer mouse inspector can inspect 50 mice per hour. The 48 computer mice inspectors at a particular factory can on

Ronch [10]

Answer: C. Yes, because -2.77 falls in the critical region .

Step-by-step explanation:

Let $\mu$ be the population mean .

As per given , we have

$H_0:\mu=50\\\\ H_a: \mu$

Since the alternative hypothesis is left-tailed and population standard deviation is not given , so we need to perform a left-tailed t-test.

Test statistic : $t=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}}$

Also, it is given that ,

n= 48

$\overline{x}=46$

s= 10

$t=\dfrac{46-50}{\dfrac{10}{\sqrt{48}}}=\dfrac{-4}{\dfrac{10}{6.93}}\\\\=\dfrac{-4}{1.443}\approx-2.77$

Degree of freedom = df = n-1= 47

Using t-distribution , we have

Critical value = $t_{\alpha,df}=t_{0.025,47}=2.0117$

Since, the absolute t-value (|-2.77|=2.77) is greater than the critical value.

So , we reject the null hypothesis.

i.e. -2.77 falls in the critical region.

[Critical region is the region of values that associates with the rejection of the null hypothesis at a given probability level.]

Conclusion : We have sufficient evidence to support the claim that these inspectors are slower than average.

Hence, the correct answer is C. Yes, because -2.77 falls in the critical region

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3 years ago

Help Pls Picture below

Maru [420]

I can’t see the picture

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3 years ago