friend has a 80% average before the final exam for a course. That score includes everything but the final, which counts for 20% of the course grade. What is the best course grade your friend can earn? % What is the minimum score your friend would need on the final to earn a 75% for the course? % Give answers accurate to at least one decimal place.

Q: Roger runs a marathon. His friend Jeff rides behind him on a bicycle and clocks his speed every 15…

A: Given ,  time since start time 0 15 30 45 60 75 90 speed 14 12 9 9 6 5 0   15 min = 15×160hr…

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A: Definition used -             Equation of a line -                                       y=mx+b…

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A: Given, federal poverty level  is $20,780

Q: 84 %. $25.50? of udiat auauf is b. 2000"% of cokat amaut 4300?

A: Percentage : It is hundredth part of a quantity a% of b is represented as a100x b Here a is…

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A:

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A:

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A: Rate per hr

Q: how much would you expect to win or lose?

A: If you throw exactly five heads in six tosses of a coin you win $361 . If not, you pay me $37.  Here…

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A: Percent means 100th part of whole. It is denoted by %. a% of b means a100xb.

Q: (a) Prove that if a connected planar graph has 13 vertices and 12 edges then it must be a tree. (b)…

A:

Q: n = 15, p = 0.40, and x > 10

A: Givenn=15p=0.40x~Binomial(n=15,p=0.40)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,..,n

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A: Given: Level of significance = 0.05 n1 = 42 x1 bar = 82.3 s1 = 12 n2 = 38 x2 bar = 78.5 s2 = 9

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A: Given-  To Find- The value of x.

Q: your answer must be clear and include explanations.   Only round when you have reached a final…

A:

Q: (a) Consider the relation R on the set A = {p, q, r, s} defined by R= {(p,p), (p, q), (q, r), (r,…

A: (a) R is a relation on the set A = {p, q, r, s}       R = {(p, p), (p, q), (q, r), (r, s), (r, r),…

Q: The height y (in feet) of a ball thrown by a child is 1 + 6x + 3 12 where x is the horizontal…

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Q: |30° 6

A: SOLUTION-

Q: Find the value of X 4.9 6.3 a x= 11.2 O b x= 12.6 x = 12 O d x= 4.9

A: In the question it is asked to find the value of line segment x.

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A: Given that: The number of measles cases has increased by 13.3% since 2000. Express your answer…

Q: 15% increase in price of an article , which is $1,620 , is the increase of ?

A: