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3 years ago

What is 80 to the power 4

1 answer:

4 0

40960000

To find the answer, you multiply 80 by itself 4 times as follows:

80 x 80 x 80 x 80 =

And you get the answers which is

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AC, BD and EDC are straight lines.

11Alexandr11 [23.1K]

X=62
Vertically opposite angles are equal

Y=44
Angles on a straight line add up to 180

Z =286
Because
180-x-y=74
360-74=286

7 0

3 years ago

RATING BRAINLIST!!! 30 POINTS!!!! TWO QUESTIONS!

Likurg_2 [28]

A
h(x)=6x^2+1

B

f(t)=-16t^2+48t
Before it hit the ground eqn would be
-16t^2+48t=0
16t^2=48t
t=3
3 seconds in the air before it hit the ground

7 0

4 years ago

A survey of households in a small town showed that in 850 of 1,200 sampled households, at least one member attended a town meeti

Iteru [2.4K]

Answer:

Hence the confidence interval is ( 0.6745, 0.7422).

Step-by-step explanation:

Now the given are

Sample size = n = 1200

x = 850

Sample proportion is

$\hat{p}=\frac{x}{n}=\frac{850}{1200}=0.7083$

We have to construct 99% confidence interval for the population proportion.

Formula Used:

$(\hat{p}-E , \hat{p}+E)$

Here E is a margin of error.

$E =Zc\times\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}$

Zc = 2.58

$E =2.58\times\sqrt{\frac{0.7083*(1-0.7083)}{1200}}\\\\E=2.58\times\sqrt{0.000172}=0.0339$

So confidence interval is ( 0.7083 - 0.0339 , 0.7083 + 0.0339)

= ( 0.6745 , 0.7422).

3 0

3 years ago

Add <br> (x - 10) + (3x + 6)

Ipatiy [6.2K]

Answer:

your answer is 4x-4

your welcomeee

7 0

2 years ago

Help pls (20 points it’s a lot please)

irga5000 [103]

Answer:

The amount he needs to pay = $ 650

Step-by-step explanation:

Area= h* (a+b/2)

= 10 * (10+16/2)

= 10 * (26/2)

= 10 * 13 = 130 sq.feet

The amount he needs to pay = 130 * 5 = $ 650

8 0

3 years ago