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3 years ago

6

The line of reflection serves as the perpendiĉular bisector of the segment that connects a point with its image point. (True or

false?) helpp

1 answer:

sdas [7]3 years ago

5 0

The correct answer is (perpendicular bisector)

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Someone please helppp.

Lady_Fox [76]

Set up the equation 3x+1= 4x-7 and you’ll get your answer

4 0

3 years ago

Read 2 more answers

Convert 2.4 kg into cg. Please show your work.

Sphinxa [80]

1 kg = 1000 g
1 cg = (1/100) g

2.4 kg
2.4 * 1000 g
2400 g
2400/100 cg
24 cg

7 0

4 years ago

Millie works 8 hours on Saturday and earns £6.50 an hour. Her bus fare to work costs £2.75 and she also spends £4.25 on her lunc

Nimfa-mama [501]

The answer is 7.50 ......

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4 years ago

A professor at a university wants to estimate the average number of hours of sleep the students get during exam week. The profes

balandron [24]

Answer:

The sample size is $n = 2$

Step-by-step explanation:

From the question we are told that

The margin of error is E =4.266

The standard deviation is $\sigma = 2.539$

From the question we are told the confidence level is 99% , hence the level of significance is

$\alpha = (100 - 99 ) \%$

=> $\alpha = 0.01$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 2.58$

Generally the sample size is mathematically represented as

$n = [\frac{Z_{\frac{\alpha }{2} } * \sigma }{E} ] ^2$

=> $n = [\frac{2.58 * 2.539 }{4.266} ] ^2$

=> $n = 2$

6 0

3 years ago

In the diagram below, AB is parallel to CD . What is the value of y?

finlep [7]

Y and the angle marked 60 degrees are internal alternate angles and are equal

so y = 60

8 0

3 years ago

Read 2 more answers