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I am Lyosha [343]
3 years ago
7

Let P be a point not on line k Let p be the image of P after a reflection about the line K and let A any point on line k. Determ

ine whether each statement below is true for all points P true for some points P or not true for any points P
Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer: true false some true

Step-by-step explanation:

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Find the length of side xx to the nearest tenth.<br> 30°<br> 60°<br> x<br> 9
otez555 [7]

Answer:

yes I am the only one that has a lil before I go to

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2 years ago
21. Tom buys a DVD player on 12 monthly payments. The cash price is $600. He pays
slamgirl [31]

Answer:

Each monthly payment is $ 49.05, and in total Tom paid $ 648.60.

Step-by-step explanation:

Given that Tom buys a DVD player on 12 monthly payments, whose cash price is $ 600, and he pays a 10% deposit and the store charges 9% interest, to determine how much is each payment and the total amount Tom pays for the DVD player the following calculations must be performed:

600 - 600 x 0.1 = 540

540 x 1.09 = 588.6

588.6 / 12 = 49.05

Thus, each monthly payment is $ 49.05, and in total Tom paid $ 648.60.

8 0
3 years ago
A bag contains eight marbles of equal size and weight. One marble is red, two marbles are white, and five marbles are blue. A ma
kiruha [24]
Its D 1/28 because I did the problem 


6 0
3 years ago
Read 2 more answers
If the bus is on time to the school 90% of the time, how many days can the school expect the bus on time out of 160 days?
andre [41]

Answer:

144 days

Step-by-step explanation:

160 · 0.9

5 0
2 years ago
A student group claims that first-year students at a university must study 2.5 hours (150 minutes) per night during the school w
AlekseyPX

Answer:

We have strong evidence that on average, students study less than 150 minutes per night during the school week

Step-by-step explanation:

Normal distribution:

mean     μ₀ = 150

Sample:

Sample size    n = 272

Sample mean   x = 141

Sample standard deviation  s  = 66

The standard error of the sample mean  SE = σ /√n

SE = 66/√272

SE = 66 / 16,49

SE = 4

Test Hypothesis:

Null hypothesis                            H₀             x  =   μ₀

Alternative hypothesis                Hₐ            x <    μ₀

z(s)  test statistics is:

z(s)  =  ( x  -  μ₀ ) / s/√n

z(s) = - 9 /4

z(s) =  -  2,25

p-value  for that z(s)      p-value  = 0,0122

Then for α =  0,05 p-value < 0,05

We are in the rejection region we need to reject H₀

7 0
3 years ago
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