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Molodets [167]
3 years ago
15

What is the slope of (-7, 1) and (3, -4)

Mathematics
1 answer:
inn [45]3 years ago
5 0

Answer:

-1/2

Step-by-step explanation:

Use the formula m=y2-y1/x2-x1

m= -4 -1/3- -7

m= -4+-1/ 3++7

m=-5/10

m=-1/2

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Christopher invests $5,000 after 20 years at 2% interest, how much did he earn in interest?
umka2103 [35]

Answer:

At the end of 20 years, your savings will have grown to $16,036. You will have earned in $11,036 in interest.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A manufacturing company produces parts that are good (90%), partially defective (2%), or completely defective (8%). These parts
Schach [20]

Answer:

The probability that a part is good given that it passed the inspection machine is P=0.978.

Step-by-step explanation:

As the inspection machine detect and discard any part that is completely defective, only the good and partially defective parts passed this inspection.

Then, if we have:

Probability of being a good part P(G)=0.90

Probability of being a patially defective part P(P)=0.02

Probability of being a completely defective part P(D)=0.08.

Probability of passing the inspection machine = 1-P(D)=1-0.08=0.92

Then, the probability of having a good part, given that it passed the inspection machine is:

P(G|Pass)=P(G)/P(Pass)=0.90/0.92=0.978

4 0
3 years ago
the area of a reactangle mirror is 11 11/16 square feet the width of the mirror is 2 2/4 feet. if there is a 5 foot tall space o
77julia77 [94]
So square feet is area which is legnth times width or area=lw or a=lw

width=w=2 2/4
2/4=1/2
w=2 1/2=5/2

a=lw
11 11/16=187/16
187/16=l(5/2)

multiply both sides by 2/5 to clear the fraction (1/2 times 2/1=2/2=1)

374/80=legnth
simplify
374/80=187/40=4 27/40=legnth

legnh must be less than 5 and 4 and 27/40 is less than 5 so it will fit
8 0
4 years ago
Factor 2x2 − 4x − 30 completely.
Luda [366]
I hope this helps you

3 0
3 years ago
Read 2 more answers
State two numbers such that the grader number is 75% more than the lesser number
Marianna [84]
75% is equal to 3/4. So the easiest way to do this is to make the smaller number a multiple of 4. Let's say the smaller number is 8. To find the larger number, you must take 75% of 8 and then add it to 8. 1/4 of 8 equals 8 divided by 4, which is 2. Therefore, 3/4 of 8 is 6. 8 + 6 = 14. 

Thus, your two numbers could be 8 and 14. 
3 0
3 years ago
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