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statuscvo [17]
3 years ago
6

I'm not sure what I​ supposed to do there is an example to help.

Mathematics
1 answer:
Delvig [45]3 years ago
8 0
Question 1:

Conclusion: ∠DAY + ∠YAK = 180°

Justification: definition of linear pair


Question 2:


Conclusion: Point U is the midpoint of RN

Justification: RU=UN, definition of midpoint


Question 4:

Conclusion: ∠3 = ∠7

Justification: definition of alternate interior angles


Question 5:

Conclusion: ∠ABD = ∠DBC

Justification: definition of bisector


Question 6:

Conclusion: ∠2 and ∠3 are supplementary angles

Justification: definition of supplementary angles


Sorry question 3, don't know what it's trying to say
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Put the following equation of a line into slope-intercept form, simplifying all fractions. 3x + 6y = 42​
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Y = 1/2 +7
Can u thank, rate and make me brainliest, have a good day
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Can some find the the answer than explain it Thank you
STALIN [3.7K]

Answer:

2 week ago so you dont need so free point

Step-by-step explanation:

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3 years ago
The Width of a rectangular Park is 10 metres shorter than its length.if the area of the park is 236 square metre find its length
madam [21]

Answer:

let length be l

breadth=l-10m

area of rectangular park=236m²

Step-by-step explanation:

area of rectangular park=236m²

l×(l-10)=236

l²-10l-236=0

l²-2.l.5+5²-236-5²=0

(l-5)²-236-25=0

(l-5)²=261

(l-5)=√261

(l-5)=16.15

l=16.15+5=21.15

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3 0
2 years ago
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I don’t know how to do it, please teach me !!!
cricket20 [7]

As described in z-distribution the answers are given below:

a) The 95% confidence interval estimate for the population mean spending by a customer on visiting salon per month is given as follows: (747, 853).

b) The sampling error at 95% confidence level is of: $35.78.

What is a z-distribution ?

The normal distribution with a mean of 0 and a standard deviation of 1 is referred to as the standard normal distribution (also known as the Z distribution) (the green curves in the plots to the right). It is frequently referred to as the bell curve since the probability density graph resembles a bell.

solution:

The bounds of the confidence interval are given as follows:

In which:

is the sample mean.

z is the critical value.

n is the sample size. is the standard deviation for the population.

The parameters for this problem are given as follows:

Hence the lower bound of the interval is of:

800 - 200 x 1.96/square root of 55  = 747.

The upper bound of the interval is of:

800 + 200 x 1.96/square root of 55  = 853.

The sampling error for a sample size of 120 is calculated as follows:

200 x 1.96/square root of 120 = $35.78.

To learn more about the z-distribution from the given link

brainly.com/question/4079902

#SPJ1

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1 year ago
2x+2y+2x+2y+2x+2y+2x+2y+2x+2y+2x+2y<br> eh...
marysya [2.9K]

Answer:

6x + 6y just add all the 2x then 2y

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