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garri49 [273]
3 years ago
14

Select the correct answer. A race car passes its first checkpoint at a constant speed of 20 m/s and immediately begins accelerat

ing at a rate of 10 m/s2. How long will the car take to reach the finish line 480 meters beyond the checkpoint? This problem can be represented using the following equation. 8 seconds 16 seconds 24 seconds 12 seconds
Mathematics
2 answers:
Nutka1998 [239]3 years ago
5 0

Answer:

450

Step-by-step explanation:

Nev3 years ago
0 0

The answer is 8 Seconds.
I just got it right on a test.

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What single decimal multiplier would you use to increase by 9% followed by 3% decrease
MaRussiya [10]

Answer:

= 94

Step-by-step explanation:

To work out the multiplier, first add or subtract the percentage from 100, then convert to a decimal. Example: we want to add 20% to £110. To work out the multiplier, add 20 to 100, to get 120, and then change it to a decimal (divide by 100) to get 1.2. The answer is £110 x 1.2 = £132.

so to workout an increase of 9% followed by 3% we would do:

9% - 3% = 6%. convert = 0.06 = 100-6 = 94 converted into 0.94 x 100 = 94

7 0
4 years ago
I need help please on all
natka813 [3]
1. B. The retail price would be the purchase price plus the markup.
So p+.40p = 1.40 p = 1.4 p. (p is really 1 p)
C. You would multiply: 1.4(56) = $78,40
D. You could multiply .4p = .4(56). OR subtract: 78.40-56 = $22.40

2. Done
3. 10(.35) = $3.50 —— 10+3.50=$13.50
4. 40(.25) = $10 ———- 40+10=$50
5 Done
6. $30.50/30% markdown 30.50(.30) = $9.15; 30.50-9.15= $21.35
7. $105/75% markdown 105(.75) = 78.75; 105-78.75= $26.25
8. $325/15% markdown 325(.15) = 48.75; 325-48.75= $276.25
9. C/40%markup Total retail:.40c + c = 1.40C
6 0
3 years ago
What is the value of this expression when n=5?
34kurt

Answer: 19

Step-by-step explanation:

The answer is 19 because, if n=5 then we have to divide 45 by 5. 45 divided by 5 equals 9. and to make sure we can multiply 9 and 5 and that equals 45. So now its saying what is 9 plus 10 and that equals 19. Just to make sure we can subtract 19 by 10 or 9 and if we do eitheer one they both equal 19.

Hope This Helps!

7 0
3 years ago
Read 2 more answers
Please answer this correctly
vovangra [49]

Answer:

Cable: 10%  Satellite: 40%  Streaming Service: 50%

Step-by-step explanation:

There are 10 friends  

1 has cable

4 have satellite

5 have streaming service  

Which means:

Cable is 10%

Satellite is 40%

Streaming Service is 50%

5 0
3 years ago
Read 2 more answers
18:a = 14:21 what does a equal?
elixir [45]

Answer:

is that lil huddy in your pfp lol (melanin king)

Step-by-step explanation:

8 0
3 years ago
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