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Harman [31]
3 years ago
10

A car travels 100 meters in 5 seconds. What is the speed of the car?

Mathematics
2 answers:
quester [9]3 years ago
6 0

Answer:

20 seconds

Step-by-step explanation:

  • s=d/t
  • s=100/5
  • s=20
  • s=20m/s
  • 20meter per second
Daniel [21]3 years ago
3 0

Answer:

20 m/s

Step-by-step explanation:

Speed = distance/time

(100 m)/(5 s) = 20 m/s

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One school purchased 16 gallons of blue paint to decorate several of its classrooms. If
Elodia [21]

Answer: zero

Explanation: if one classroom on its own needed 17 gallons of paint and they only purchased 16,-- which is less than needed for one classroom- how would there be enough for any other classroom?

4 0
2 years ago
The area of the triangle is 42 square inches. find the value of x when a = x and b = (x+8)
damaskus [11]

Answer:

6 and -14

Step-by-step explanation:

Area of the triangle = 1/2 ab

42 = 1/2 (x)(x+8)

42 *2 = x(x+8)

84 = x²+8x

x²+8x-84 = 0

x²+14x-6x-84 = 0

x(x+14)-6(x+14) = 0

x-6 = 0 and x+14 = 0

x = 6 and -14

Hence the values of x are 6 and -14

3 0
2 years ago
Please answer A and B and give an explanation and show work. thank you!
NNADVOKAT [17]
Dont know a but b is 
75=100-2p
75 minus 100 = -25=-2p
-25/-2= p 
p=$12.50
4 0
3 years ago
The value is $400 invested at 4% interest compounded monthly for 10 years.
svetoff [14.1K]
The equation for interest is 
'Initial amount (interest rate in decimal form) ^ times compounded EX: years'

your equation would be
400(1.04)^10

which equals 592.097713 (not rounded)
8 0
3 years ago
The 7th term of an A.p is -4. If the common difference is-5, find the 6th term​
Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

a₆ = a₇+(6-7)d = -4 -(-5) =1

7 0
2 years ago
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