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baherus [9]
4 years ago
10

It took the race car 22 minutes to travel 114.4 kilometers. At what rate did the car travel? Use the formula r=d/t where r is th

e rate, d is the distance, and t is the time. Round your answer to the nearest tenth.
Mathematics
2 answers:
andre [41]4 years ago
7 0

Answer:

5.3 km/min

Step-by-step explanation:

Distance = 114.4 kilometers

Time = 22 minutes

Rate = 114.4 km /22 min

Rate = 5.2 km/min

Svet_ta [14]4 years ago
4 0

Answer:

5.2 Km/Min

Step-by-step explanation:

Speed/Rate= Distance/Time

Speed/Rate = 114.4/22

Speed/Rate = 5.2 KM/min

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The sum of the first 150 negative integers is represented using the expression
Leona [35]

Answer:

\large\boxed{-11,325}

Step-by-step explanation:

First simplify:

-1-(n-1)=-1-n-(-1)=-1-n+1=-n

Therefore we have:

\sum\limits_{n=1}^{150}[-1-(n-1)]=\sum\limits_{n=1}^{150}(-n)=(-1)+(-2)+(-3)+...+(-150)\\\\-1,\ -2,\ -3,\ -4,\ ...,\ -150-\text{it's the arithmetic sequence}\\\text{with the common difference d = -1.}\\\\\text{The formula of a sum of terms of an arithmetic sequence:}\\\\S_n=\dfrac{a_1+a_n}{2}\cdot n\\\\\text{Substitute}\ n=150,\ a_1=-1,\ a_n=-150:\\\\S_{150}=\dfrac{-1+(-150)}{2}\cdot150=(-151)(75)=-11,325

8 0
3 years ago
Write the following statement as a unit rate: 18 laps in 6 minutes
tatuchka [14]

Answer:

3 laps per minute

Step-by-step explanation:

Take the number of laps and divide by the minutes

18/6 = 3 laps per minute

6 0
3 years ago
What percent is represented by the shaded area?
maks197457 [2]
43%

there is 100 squares 43 of them are shaded this would be 43/100 or as a percentage it would be 43
6 0
3 years ago
What is the probability of rolling a dice twice and getting a six?
Mekhanik [1.2K]

\huge \boxed{ \fcolorbox{black}{aqua}{Answer}}

There are a total of 6 x 6 = 36 possible outcomes when a fair die is rolled twice. Of the 36 possible outcomes, there are 6 doubles: 1-1, 2-2, 3-3, 4-4, 5-5, and 6-6. Thus, the probability of getting a double is 6/36 = 1/6.

3 0
3 years ago
Read 2 more answers
Anyone know how to do this?? Help pls
monitta

Answer:

The correct answer is A. a = 2s - b - c

Step-by-step explanation:

First you multiply 2 on both sides and you will end up with 2s = a + b + c.

Then to isolate a you would subtract both b and c from both sides of the equation as well to end up with your answer of a = 2s - b - c.

8 0
3 years ago
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