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vlada-n [284]
3 years ago
11

Find the sum of the arithmetic series if a1=−52,a28=−79,and n=28

Mathematics
1 answer:
Radda [10]3 years ago
5 0
I think the answer is A but i could be wrong
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At 55 mph it will take you approximately _____ feet to stop the car. A. 5 feet B. 100 feet C. 228 feet
ololo11 [35]

Answer:

The correct answer is option C, 228 feet

Step-by-step explanation:

As per Newton’s third law of motion:

V2 – U2 = 2 x a x S

Where V = final velocity

U = Initial Vlocity

a = acceleration (-ve)

S= distance travelled

V= 0 mph

U= 55 mph = 80.6667 ft /sec

0 – (80.6667 ft /sec)2 = 2 x (-g/2) x S

S = (80.6667 ft /sec)2 /(32.2 feet per second per second x0.5)

S = 202.1 feet

So the most nearest option is option C

6 0
3 years ago
Find the surface area of the cylinder using pie.
mote1985 [20]
I believe it’s 72 I hope it’s right
5 0
3 years ago
Jh oadsffffffffffkjsadfkjsahdfjkhdsafkjasdjhfdahf
Leno4ka [110]

Answer:

fhasdfbjsdvbsvljbdsvvbdfvbdwvwdbhvlsvlhsvsjvsxvsklvsj

hope this helps

Step-by-step explanation:

6 0
3 years ago
13) What is the simple interest and total amount earned on $4345 with an interest rate of
Annette [7]

Answer:

173.80 interest, 4518.80 total

Step-by-step explanation:

4345 X .03(3%)=130.35/year

130.35/12=10.8625/month

10.8625 x 16 months = 173.80 interest over 16 months

4345+173.80=4518.80 total amount

6 0
3 years ago
Given f(x) = 4(x - 8), determine the value of f(10).
Ilya [14]

Answer:

f(10) = 8

Step-by-step explanation:

f(x) = 4(x - 8)

Let x = 10

f(10) = 4 ( 10-8)

       = 4 ( 2)

      = 8

8 0
2 years ago
Read 2 more answers
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