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N76 [4]
3 years ago
5

Alex is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180°. Line m is

parallel to line n. Line n is parallel to line m. Triangle PQR has vertex P on line n and vertices Q and R on line m. Angle QPR is 80 degrees.Segme Which is a true statement he could write? (6 points) Angle PRQ measures 40°. Angle PQR measures 60°. Angle PRQ measures 80°. Angle PQR measures 40°.
Mathematics
1 answer:
Crank2 years ago
8 0

Answer: The stuff in pink is the stuff I found based on the information given. The pink 40 comes from the blue 40. The reason that both of those angles are congruent is because they are alternate interior angles. This is the same reason about the angles whose measurements are 60. So the following things are true that we found that weren't already given: Angle PQR is 40 Angle PRQ is 60

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
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3 years ago
Given that f(x) = x² +8x+3 and g(x) = -x-7, which of the following is true?
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B and C make sense to me.
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2 years ago
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scZoUnD [109]
Using binomial distribution where success is the appearing of any of the top 10 most common names, thus probability of success (p) is 9.6% = 0.096 and the probability of failure = 1 - 0.096 = 0.904. Number of trials is 11.
Binomial distribution probability is given by P(x) = nCx (p)^x (q)^(n - x)
Probability that none of the top 10 most common names appears is P(0) = 11C0 (0.096)^0 (0.904)^(11 - 0) = (0.904)^11 = 0.3295
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6 0
3 years ago
How much should you invest now at 7 1/4% simple annual interest in order to earn $190 interest in 4 months?
vlabodo [156]

Answer:

so principal amount is $7862.07

Step-by-step explanation:

Given data

rate = 7*1/4 % = 29/4 %

interest = $190

time = 4 months = 4/12 year

to find out

principal

solution

we know the simple interest formula  i.e.

interest = ( principal × rate  × time ) /100             ..................1

now put all value rate time and interest in equation 1 we get interest here

interest = ( principal × rate  × time ) /100  

190 =  ( principal × 29/4  × 4/12 ) /100  

principal = 190 × 12  ×100 /   29

principal = 7862.068966

so principal amount is $7862.07

8 0
3 years ago
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