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LUCKY_DIMON [66]
3 years ago
6

Katherine drove 13 miles in 1/5 hour. On average, how fast did she drive, in miles per hour?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0

Answer:

65 miles per hour

Step-by-step explanation:

r = d/t

1 : 5 = 0.2

r = 13 : 0.2 = 65

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Lucas is walking around the edge of the playground shown. How far will lukas have to walk when he finishes one loop around the p
Tanya [424]

Answer:

See Explanation

Step-by-step explanation:

Required

Determine how far he walked in one loop

<em>This question is incomplete, as the playground diagram and dimensions are missing. However, I'll answer on a general terms.</em>

<em></em>

What this question requires is to calculate the perimeter of the playground.

Assume that the playground is rectangular and the dimensions are: 2  meters by 3 meters.

The distance walked will be calculated using the following perimeter formula.

Distance = 2(2m + 3m)

Distance = 2(5m)

Distance = 10m

If it is a square with 5m as the length of one of its side, the distance would be:

Distance = 4 * 5m

Distance = 20m

<em>So basically, all you need to do is calculate the perimeter of the playground.</em>

7 0
3 years ago
Choose the method to solve the problem below: There are members on a board of directors. If they must form a subcommittee of mem
shepuryov [24]

Answer:

b. 56

Step-by-step explanation:

Please consider the complete question.

There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?

We will use combinations for solve our given problem.

^nC_r=\frac{n!}{r!(n-r)!}, where,

n = Number of total items,

r = Items being chosen at a time.

For our given scenario n=8 and r=3.

^8C_3=\frac{8!}{3!(8-3)!}

^8C_3=\frac{8!}{3!\cdot 5!}

^8C_3=\frac{8\cdot7\cdot6\cdot5!}{3\cdot2\cdot1\cdot 5!}

^8C_3=8\cdot7

^8C_3=56

Therefore, 56 different subcommittees are possible and option 'b' is the correct choice.

4 0
3 years ago
Find the x -intercept and y -intercept of the line. 3x-6y=12<br> find the X and Y intercept
Andreas93 [3]
3x-6y=12 
y=mx+b 
-6y=-3x+12 <- divide by -6 to make y by itself 
y=1/2x-2 
The y-intercept is (0,-2) 
x-intercept: put 0 in for y
0=1/2x-2 
2=1/2x 
x=4 
(4,0) 
Y intercept: (0,-2) 
X-intercept (4,0)
6 0
3 years ago
Read 2 more answers
What is the product of (-3 1/3)(-8 7-10)
zhannawk [14.2K]

Answer:

I use the question (-3 1/3)(-8 7/10) because am not sure if your question written correctly

8 0
3 years ago
Help please lol &gt;.&lt; D; !!!!
SSSSS [86.1K]

Answer:

26.06

Step-by-step explanation:

(25.99*0.6+8.99)*1.06

=26.06

4 0
3 years ago
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