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Sedbober [7]
3 years ago
8

Rolff recently completed a book of 20 deduction puzzles. the scatterplot below shows the time it took rolff to solve a puzzle ve

rsus the number of clues it had. if a puzzle is selected at random from the book, what is the probability that it had fewer than six clues, took rolff fewer than 100 seconds to solve, or both?
Mathematics
1 answer:
vlada-n [284]3 years ago
6 0
I have the scatterplot in front of me, and what the question is asking is what is the probability of the dot chosen being in any of the three categories. They only leave out three dots, so the probability is 17/20 or 85%.
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15 more than twice the hours Carla work last week is the same as three times the hours she worked this week decreased by 15. She
balandron [24]

Let the number of hours she works be x  

2x+15 15 more than twice the  

3x-15 15 less than 3 times the hours she worked  

2x+15=3x-15  

3x-2x= 30

x= 30  

the number of hours she worked is 30  


3 0
2 years ago
How do I do this problem <br> -6(x+1)-18=26+4
pogonyaev

Answer:

x=-9

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−6(x+1)−18=26+4

(−6)(x)+(−6)(1)+−18=26+4(Distribute)

−6x+−6+−18=26+4

(−6x)+(−6+−18)=(26+4)(Combine Like Terms)

−6x+−24=30

−6x−24=30

Step 2: Add 24 to both sides.

−6x−24+24=30+24

−6x=54

Step 3: Divide both sides by -6.

−6x

−6

=

54

−6

x=−9

Answer:

x=−9

5 0
2 years ago
Examine the system of equations. −5x + 5y = 40 4x + 3y = 24 What is the solution?
Solnce55 [7]
-5x + 5y = 40             -20x +20y =160               -5x + 5(8) = 40
4x + 3y = 24               20x +15y =120                -5x + 40 = 40
                                           35y = 280                   -5x =0
                                               y = 8                         x = 0

Hope you understood this
3 0
3 years ago
Read 2 more answers
How to solve this problem?
Nikolay [14]

Answer:

Can not be determined.

Step-by-step explanation:

We can easily notice that the limit is x tends to infinity, whereas x is not present in the given function, we are given (1 + 1/n). So we can not evaluate the given limit for x as parameter, we must have some function of x to solve this problem.

Hence, option C is correct i.e. the limit can not be determined.

5 0
2 years ago
Read 2 more answers
What the answer S4• s8 •s3
Hatshy [7]

Answer:

s^15

Step-by-step explanation:

When multiplying exponents with the same base, add the exponents

8 0
3 years ago
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