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Sergeu [11.5K]
3 years ago
7

Please bro- i cant do it...

Mathematics
2 answers:
beks73 [17]3 years ago
8 0

Answer:

what

Step-by-step explanation:

u cant do what???,

lora16 [44]3 years ago
6 0

Answer:

what you can't do it

Step-by-step explanation:

oh sorry I think you are saying to your brother right

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Please be quick! I need this as soon as possible !
quester [9]

Answer: 14 people

Step-by-step explanation:

2/100 = 0.02

0.02 * 700 = 14

4 0
3 years ago
Select the correct answer from the drop-down menu.
LenKa [72]

Answer:

D

Step-by-step explanation:

Got 100%

7 0
2 years ago
Find the size of each of two samples (assume that they are of equal size) needed to estimate the difference between the proporti
hodyreva [135]

Answer:

The sample size n = 4225

Step-by-step explanation:

We will use maximum error formula = \frac{z_{a} S.D}{\sqrt{n} }

but we will find sample size "n"

\sqrt{n}  = \frac{z_{a} S.D}{maximum error}

Squaring on both sides , we get

n  = (\frac{z_{a} S.D}{maximum error})^2

Given 99% confidence interval (z value) = 2.56

given maximum error = 0.02

n  = (\frac{z_{a} p(1-p)}{maximum error})^2

n≤ (\frac{2.56X\frac{1}{2} }{0.02}) ^{2}    ( here S.D = p(1-p) ≤ 1/2

on simplification , we get n = 4225

<u>Conclusion</u>:

The sample size of two samples is  n = 4225

<u>verification</u>:-

We will use maximum error formula = \frac{z_{a} S.D}{\sqrt{n} } = \frac{2.56 1/2}{\ \sqrt{4225} }  = 0.0196

substitute all values and simplify we get maximum error is 0.02

4 0
3 years ago
Triangle ABC has coordinates A (0, 1) B (0, 2) and C (3,2). If Triangle ABC is equivalent to triangle EDF, what is the measure o
Elanso [62]

Answer:

  3

Step-by-step explanation:

Segment BC corresponds to segment DF. The length of BC is the distance between coordinates (0, 2) and (3, 2). These points are on the same horizontal line (y=2), so the distance between them is the difference of their x-coordinates: 3 - 0 = 3.

7 0
3 years ago
Read 2 more answers
Which ordered pairs could be used to graph the equation 2x+y=5
Marrrta [24]

Answer:

(-2,9) ,(4,-3)

Step-by-step explanation:

Given the expression 2x+y=5

We are required to look for values of x and y such that when substituted into the given expression will result in the number 5

The Pairs are (-2,9) ,(4,-3)

Let us plug in the values to check

1. (-2,9)

2(-2)+9=5

-4+9=5

5=5 true

2. (4,-3)

2(4)+(-3)=5

8-3=5

5=5 true

7 0
3 years ago
Read 2 more answers
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