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avanturin [10]
3 years ago
13

Two sets of data are graphed on the dot plot. What observation can you make about the two data sets? The figure shows a number l

ine. The numbers on the number line range from 0 to 70 in increments of 10. 1 cross is shown above the numbers 30 and 70, 1 circle is shown above the numbers 10 and 50, 2 circles are shown above the number 20, 3 crosses are shown above the numbers 60, and 3 circles and 2 crosses are shown above the number 40. A. Both have the same spread. B. Both have a mean of 40. C. Both have a minimum of 10. D. Both have a maximum of 70.
Mathematics
1 answer:
ehidna [41]3 years ago
6 0

Answer: It's B

Step-by-step explanation:

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2 Points
Nesterboy [21]

Answer:105

Step-by-step explanation:55-66=74 74times

3 0
2 years ago
Complete the phrases below using the word bank.
oee [108]

Answer:

A- b: the y value when y changes; the point where a line crosses the v-axis

B- m: What happens to y when x is one; the ratio of the y change to the x change

C- k: The y value when x is zero b x increases by one

Step-by-step explanation:

If this is about slope intercept form as i think it is

C sounds a little bonkers in this case though because when y is zero then x increases by one

7 0
3 years ago
What type of angle is this?​
alexgriva [62]

Answer:

Obtuse Angle

Step-by-step explanation:

It is greater than 90˚

6 0
2 years ago
Read 2 more answers
Solve for each system of equations by substitution or elimination.
Tems11 [23]

QUESTION 1

The given system of equations are:

y=x^2+5x+1

y=x^2+2x+1

We equate the two equations to get:

x^2+5x+1 =x^2+2x+1

x^2 -  {x}^{2} + 5x  - 2x = 1 - 1

3x = 0

x = 0

When x=0,

y=0^2+2(0)+1 = 1

The solution is (0,1)

QUESTION 2

The given equations are:

y=x^2-2x - 1

and

y= -x^2-2x-1

We equate both equations to get:

x^2-2x - 1 = -x^2-2x-1

Group similar terms,

x^2 +  {x}^{2} -2x  + 2x= -1 + 1

2 {x}^{2}  = 0

x = 0

We put x=0 into any of the equations to find y.

y= -0^2-2(0)-1 =  - 1

The solution is (0,-1).

QUESTION 3

The given equations are:

y=x^2+2x+1

and

y=x^2+2x-1

We equate both equations:

x^2+2x+1 = x^2+2x-1

Group similar terms:

x^2 -x^2+2x = -1 - 1

0 =  -2

This is not true.

Hence the system has no solution.

6 0
3 years ago
How do I work this out
Iteru [2.4K]
If the track is 10km long, and X travels at 40 km/h, it will take 1 hour to do 4 laps. this means that car X will do one lap in 15 minutes. Y travels at 30 km/h, which means it will do 3 laps in 1 hour, meaning that car X will do 1 lap in 20 minutes.

X- 15, 30, 45, 60
Y-20, 40, 60


Therefore, after an hour, they will pass again.
5 0
3 years ago
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