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nikklg [1K]
3 years ago
8

Joana spins the spinner 10 times. She spins green 4 times. What is the experimental probability that Ana will spin green on the

next spin
Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

40% or 2/5

Step-by-step explanation:

Experimental probability is the probability based off of experimental data.  

Out of the 10 times Joanna span the spinner, 4 times were green.  This means that the probability of green is 4/10 or 40%.

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Line AB and line CD intersect at point E, with point E between A and B and between C and D. Which rays are opposite rays?
olchik [2.2K]

Answer:

EA, EB, EC and ED are opposites rays.

Step-by-step explanation:

Given that,

Line AB and line CD intersect at point E.

According to figure,

We need to find opposite rays

Using diagram

We draw a first line AB and second line CD which is intersect of AB at point E.

Now, EA and EB is called opposite ray of first line AB.

Similarly,

EC and ED is called opposite ray of first line CD.

Hence, EA, EB, EC and ED are opposites rays.

3 0
3 years ago
it takes a hospital dietitian 15 minutes to drive from home to the hospital, a distance of 14 miles, what is the dietitian's rat
scoundrel [369]
Hi. Good?

To solve is to use the formula:

D = v.t

14 = v. 15
v= 14/15
v = 0,9333..mpm


15m = 900s

14 = v. 900
v=14/900
v=0,01555...mps

I put the result in miles per minute and miles per second.


Thanks, I hope I have helped.

3 0
3 years ago
Amir is solving the equation x2 + 8 +6=0 with the quadratic formula.
lapo4ka [179]

Answer:

A= -1, B = -8, C = -6

Step-by-step explanation:

7 0
2 years ago
What times what equals 59
sweet-ann [11.9K]

59 is a "prime number".  It has no factors except ' 1 ' and itself.

So the only possibility is  1 x 59 .

5 0
3 years ago
Lenny rolls two number cubes. What is the probability that the sum of the numbers Lenny rolls is either 4 or 7?
Mashutka [201]

Probability of an event =


(number of ways the event can happen) / (total number of possible outcomes) .


Well, the total number of possible outcomes is easy. It's


(6 possibilities for the first cube) x (6 possibilities for the 2nd cube)


= 36 total possible ways for two cubes to roll.


Now, how many of those possibilities show either 4 or 7 ?


Well, here's how a 4 can come up:


1 . . . 3

2 . . . 2

3 . . . 1


and here's how a 7 can come up:


1 . . . 6

2 . . . 5

3 . . . 4

4 . . . 3

5 . . . 2

6 . . . 1 .


So there are 9 ways all together for Lenny to be successful.


The probability is (9/36) .


That's 1/4 , or 25% .

7 0
3 years ago
Read 2 more answers
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