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Nat2105 [25]
2 years ago
14

Last question on the first Khan assignment!

Mathematics
1 answer:
nikklg [1K]2 years ago
8 0

Answer:

x=6

Step-by-step explanation:

(×+54)+5×=90

6×+54=90

90-54

6×=36

×=6

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Two skateboarders start a race at the same time skateboarder A travels at a steady rate of 15 feet per second skateboarder B tra
Dmitriy789 [7]

Answer:

Step-by-step explanation:

Relative speed can play a major role in creating distance between two bodies. If the relative speed between two bodies is 0, then both the bodies are moving in the same direction with a similar speed. Thus, After 4 minutes, 1680 feet farther will Skateboarder B have traveled.

Skateboarder A travels at a steady rate of 15 feet per second.

Skateboarder B travels at a steady rate of 22 feet per second.

We need to determine that after 4 minutes, how much farther will Skateboarder B have traveled.

The formula for finding the distance travelled by anybody is represented below

Time is given that is 4 minutes which means 240 seconds.

Thus,

Distance travelled by skateboarder A

Distance travelled by skateboarder B.

Therefore, the separation of the distance between both the skateboarders is 5280 - 3600 = 1680.

Thus, After 4 minutes, 1680 feet farther will Skateboarder B have traveled.

7 0
2 years ago
80 X 5,000
Tresset [83]
80x5,000 is 400,000. Not sure what you're asking though.
6 0
3 years ago
Does anyone know how to answer this exercise?
neonofarm [45]

Answer:

Step-by-step explanation:

The leftmost line segment has a slope of -2 and (-1,-1)  is a point on the line.

Equation: y = -2x-3

middle line segment has a slope of 0 and  y-intercept of -2.

Equation:  y = -2

The rightmost line segment has a slope of 1.5. (5,0) is a point on the line.

y = 1.5(x-5) = 1.5x-7.5

8 0
2 years ago
On her way to work, Mrs. Larsen gets a green light at a certain traffic light only 30% of the time. She wants to find the probab
vladimir1956 [14]
First, use the random number table to generate the possible probabilities but only account the first four digits in order to get a value that is a percentage
35.85%
28.97%
90.12%
5.07%
20.43%
The average is
36.09%
There is a 36.09% probability that the light will be green when reaches the traffic light
7 0
3 years ago
What is 5(4x+3)= simplified​
cluponka [151]

5(4x+3)=0

20x+15=0

20x = -15

x =  \frac{ - 15}{20}

x =  \frac{ - 3}{4}

4 0
3 years ago
Read 2 more answers
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