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yanalaym [24]
3 years ago
11

Which number line can be used to find the distance between (4, -1) and (8,-1)?

Mathematics
2 answers:
dangina [55]3 years ago
4 0
The answer to your question is a
allochka39001 [22]3 years ago
3 0

Answer:

the first one

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Every autumn, the North American Monarch
Stolb23 [73]

Part A

The equation is d = 50t

This is because the slope of 50 represents how many miles per day the butterflies cover (on average). The y intercept is 0 to indicate that 0 miles have been traveled initially.

You can think of this as the equation y = 50x

If t = 1, then d = 50t = 50*1 = 50 miles have been covered

If t = 2, then d = 50t = 50*2 = 100 miles have been covered

And so on.

==========================================================

Part B

You'll have these values in the bottom row (in the order presented): 50, 100, 150, 200, 250

You can plug in the values t = 1, t = 2, t = 3, t = 4 and t = 5 into d = 50t to find those answers in bold.

Or you could add on 50 each time to generate each new value. We start at 50 since t = 1 corresponds to d = 50.

==========================================================

Part C

You can keep the pattern of 50,100,150, ... going until you reach 2500. Then note the t value that pairs with d = 2500

In my opinion, that's the slower method.

The quicker method is to plug d = 2500 into the equation for part A, and then solve for t.

d = 50t

2500 = 50t

50t = 2500

50t/50 = 2500/50 ....... divide both sides by 50

t = 50

It will take 50 days for the average distance traveled to be 2500 miles.

6 0
3 years ago
The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 40. What is the age of the person
ad-work [718]

Answer:

40

Step-by-step explanation:

5 people in the room have  5*40 = 200 years altogether

a new person is X years old.

Now 6 people have (200 + x) years altogether.

Mean age of 6 people  is (200+x)/6. and it is also = 40.

So,

(200+x)/6 = 40

200 + x = 240

x = 40

6 0
3 years ago
Find the volume of a baseball if the diameter is 2.86 inches
tatiyna

Answer:

8.1796

Step-by-step explanation:

2.86 x 2.86 = 8.1796

5 0
3 years ago
Suppose f(x)=x^2 and g(x)=(1/3x)^2 which statement comepare the graph of f(x) to the graph of g(x)
statuscvo [17]

Answer: c

Step-by-step explanation:

8 0
3 years ago
Find f(2) for the function f(x) = |7x |
melisa1 [442]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

let's find f (2) :

  • |7x|

  • |7 \times 2|

  • |14|

  • 14
8 0
2 years ago
Read 2 more answers
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