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postnew [5]
3 years ago
6

???????????????????????? I’m so bad at math lol

Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0

Answer:

-1/2 is the slope

Step-by-step explanation:

slope = rise over run

-1 rise for every 2 run

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Can't understand this. Can anyone tell me the answer -
slavikrds [6]

Hi,

The first thing you have to remember, that the sum of  all probabilities are equal to 1.

As you have only  4 items  :   Pasta + Fish + Pizza +Salad

So pasta + fish + pizza +salad  =   1  

1 means every client who bought something had something to eat.  

So now it simple :

We know  the probability of every other items, so we will find the probabilty of  salad by substracting  off  1 every other probabilities.  

<u>Remind yourself  to always have data in same shape/ units etc.</u>

Here we have percentage, fraction, numbers.... can be confusing.  

So convert all in same shape.  I 'm going to convert all in numbers, as it seems to me the simpliest.

I will call probability of  salad  "X" as it usually like that we call something unknown in math.

So pasta =  15 % =  15/100  = 0.15

    fish =  0.2

    pizza =  3/10 = 0.3

   salad =  X

So  now  we have  :  

pasta + fish + pizza +salad  =   1  

replace by what I know :

0.15 +0.2+0.3 + X = 1

0.65 + X = 1  

0.65 +X -0.65 = 1 - 0.65

                         X =  0.35

Salad probability is  0.35  , which means  35 % .

8 0
1 year ago
Ariel has a standard deck of 52 cards. She draws one card from the deck and then replaces it. She then draws a second card from
BaLLatris [955]
A) probability of sequences can be calculated by multiplying the probability of the first event by the second, etc. until the end of the series. Thirteen cards are clubs in a 52 card deck, so the initial probability of drawing a club is 13/52, or 0.25 (25%). This means that the cumulative probability is 0.25 x 0.25, or 0.0625 (6.25%).

B) Like part a, the initial probability of finding a green marble is 6/16, or 0.375 (37.5%). When not replacing the marble, the second probability is now 5/15, or 0.33 (33.3%), due to the loss of this marble. This means that the cumulative probability is 0.375 x 0.333, or 0.1249 (12.49%).

C) The initial probability of finding a green apple is 4/6, or 0.66 (66.6%). The second probability, when not replacing the apple is now 2/5, or 0.4 (40%) - the loss of the apple affected the total number of apples, but didn’t affect the number of red apples. This means that the cumulative probability is 0.666 x 0.4, or 0.266 (26.6%).

D) Unfortunate, I don’t know what the problem is asking, so I can’t answer this for you.
8 0
3 years ago
Read 2 more answers
Can someone please help me with this ​
Luda [366]

Step-by-step explanation:

Diameter = 2r

= 7.7 = 2r

7.7/2 = r

3.85=r

3 0
2 years ago
PLS HELP With GEO FOR 50 PTS!!!!!
zaharov [31]

Without doing the math, you can can see that the 100ft marker is about 1/3rd of the bottom(combining the triangle and the rectangle) This floor is practically(if not exactly) the same length of each vertical side of the building.

"100 x 3" is 300, So I am pretty sure the answer is 308.

Good luck!

-RxL

6 0
3 years ago
Is the following relation a function ?
Sedaia [141]
No it is not a function the are two inputs for one output
7 0
3 years ago
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