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Otrada [13]
3 years ago
8

Can I get some help help with 12,13 please

Mathematics
1 answer:
Volgvan3 years ago
7 0
For 12a, they are asking about winter sports, they could ask about all sports.
For 12b, they ask an audience about the show they came to see; which is inherently a bias as they are going to be partial towards certain contestants; they could ask them about random contestants of unaffiliated shows.
For 13a, it should be continuous, and I'm sorry but I don't know the types of graphs available.
For 13b, I believe it should be discreet, and once again apologize for not knowing the types of graphs.
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Jesse drank 3/4
malfutka [58]

Answer:

1 7/20

Step-by-step explanation:

You want to add 3/4+3/5, but they need to have the same denominator. A common factor for 4 and 5 is twenty, so multiply 3/4 by 5/5 and 3/5 by 4/4. This will give you 15/20 + 12/20. You can add this to get 27/20, or 1 7/20 as a mixed number

8 0
3 years ago
(5+9)division (15-8)
Neporo4naja [7]
5+9=14 and 15-8=7

14÷7=2

hope this helps :)
7 0
3 years ago
PLEASE HELP ME!! GEOMETRY!<br> All I need is the value of x, and how you found it. Thanks :))
Novosadov [1.4K]

Answer:

-15

Step-by-step explanation:

3x+5=BD

4x+20=AE

3x+5 = 4x+20

subtract 3x from 4x = 1x = x

subtract 20 from 5 = -15

-15=x

6 0
3 years ago
A spinner is divided into 4 equal - size sections. The sections 4 are red green orange and blue. If Joana spins the spinner twic
ycow [4]

Answer:

RR   RG   RO   RB

GG   GR   GO   GB

OO   OR   OG   OB

BB   BR   BG   BO

There are 16 possible outcomes.

Step-by-step explanation:

For this question, we combine the possibilities together.

R = red  G = green  O = orange  B = blue

There are 16 possible outcomes.

You can also find the total number of possible outcomes by using the formula for permutations.  n is the total number of choices.  r is the number you are examining.

\frac{n!}{(n-r)!}

\frac{4!}{(4-2)!} =12

This number doesn't include the outcome of having the same color twice.  There are four colors meaning that their four outcomes in which the same color is spun twice.

12 + 4 = 16

6 0
3 years ago
What is 2/3 divided by 4/5?
m_a_m_a [10]

Answer:

5/6

Step-by-step explanation:

Dividing two fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.

8 0
2 years ago
Read 2 more answers
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