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notsponge [240]
3 years ago
13

The students in a class were asked how many siblings they have. The data obtained is represented in the dot plot. The number of

students who have no siblings is . The number of students who have three or more siblings is .

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

0 Siblings: 4 Students

3 or more siblings: 5 students

Step-by-step explanation:

The numbers at the bottom represents how many siblings they have and the dots represent the number of studens so using this we know:

0 Siblings: 4 Students

1 Sibling: 3 Students

2 Siblings: 3 Students

3 Siblings: 1 Student

4 Siblings: 0 Students

5 Siblings: 2 Students

6 Siblings: 1 Student

7 Siblings: 1 Student

3 or more: 1 + 0 + 2 + 1 + 1 = 5

3 or more siblings: 5 students

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Anna11 [10]

Answer:

C

Step-by-step explanation:

First, get the radius, 2.2*3.14 is 6.908. Then, multiply by 18, 6.908*18 is 124.344.

5 0
3 years ago
(Essay Question 7 Points)
Irina18 [472]

Well I don't know.
Let's think about it:

-- There are 6 possibilities for each role.
    So 36 possibilities for 2 rolls.
    Doesn't take us anywhere.

New direction:
-- If the first roll is odd, then you need another odd on the second one.
-- If the first roll is even, then you need another even on the second one.
This may be the key, right here !

-- The die has 3 odds and 3 evens.

-- Probability of an odd followed by another odd = (1/2) x (1/2) = 1/4
-- Probability of an even followed by another even = (1/2) x (1/2) = 1/4

I'm sure this is it.  I'm a little shaky on how to combine those 2 probs.

Ah hah ! 
Try this:

Probability of either 1 sequence or the other one is (1/4) + (1/4) = 1/2 .

That means ... Regardless of what the first roll is, the probability of
the second roll matching it in oddness or evenness is 1/2 .

So the probability of 2 rolls that sum to an even number is 1/2 = 50% .

Is this reasonable, or sleazy ?


4 0
3 years ago
A 52 foot ladder is set against the side of a house so that it reaches up 48 feet. If Jace
Alik [6]

Answer:

34.3

Step-by-step explanation:

no

8 0
3 years ago
The sum of 60 and 30 is divided by 10 and the difference of quotient and 3 is divided by 2​
almond37 [142]

Answer:

Final result is 3.

Step-by-step explanation:

Quotient = (60 + 30) / 10

= 90/10

= 9.

Difference of quotient and 3

= 9 - 3

= 6

6 / 2 = 3.

8 0
3 years ago
A motorcycle cost $12,000 when it was purchased. The value of a motorcycle decreases by 6% each year. Find the rate of decay eac
dalvyx [7]
<span>the rate of decay each month can calculated using the following formula:
</span><span>
6%/year × 1 year/(12 months) = 0.5%/month
0.06 x 1/12 = 0.005/month
</span><span>So the 0.5% is the right answer.
I hope it helped.</span>
4 0
3 years ago
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