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Vinil7 [7]
3 years ago
9

Number 3 only problem solving how you do this ?

Mathematics
1 answer:
GenaCL600 [577]3 years ago
8 0
Use everything but not the hexagon.
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A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten y
lyudmila [28]

Answer: $69811

Step-by-step explanation:

Given : A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten years, but with a smaller percentage of participants.

One of these surveys estimates with 90% confidence that the mean household income in the U.S. falls between $69,702 and $69,920.  (1)

We know that the confidence interval is given by :-

Point estimate of mean  ± Margin of error

From (1) , we have

Point estimate for mean  -Margin of error = $69,702   (2)

Point estimate for mean  +Margin of error = $69,920      (3)

Add (2) and (3), we get

2 (Point estimate for mean) = $139622

Divide both sides by 2, we get

Point estimate for mean=$ 69811

Therefore , the point estimate for mean U.S. household income. =  $ 69811

6 0
3 years ago
Right the slope intercept form for the line that travels through (4,-1) and is parallel to y=1/4x
ololo11 [35]

Answer:

Step-by-step explanation:

The slope is given to you by the line y = 1/4 x

The slope is just read as the number in front of x providing that the coefficient of y is 1. If that is not so, then you must divide by the coefficient in front of y. So far what you have is y = 1/4 x + b.

The second part of the question is to use the given point to find b.

x = 4

y = -1

b = ?                       substitute x and y to find b

y = 1/4 * 4 + b

- 1 = 1/4 * 4 + b

-1 = 1 + b

-2 = b

The equation of the line is y = 1/4 x - 2 Just to confirm this, I'm going to include the graph with the point 4,-1 on it.

4 0
2 years ago
Plz Hurry This Is Timed​
makkiz [27]

Answer:

2nd answer. it is because it is

6 0
3 years ago
Read 2 more answers
Please help me now plz
lana66690 [7]

Answer:

9 and 4

if not then -9 and 4

4 0
3 years ago
A) Divide 20 in the ratio 2:3
Keith_Richards [23]

Answer:

a=8:12      c=£1.05:0.70  d=30:50:60:40

b=9:15

Step-by-step explanation:

8 0
3 years ago
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