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svlad2 [7]
2 years ago
6

You select a marble without looking and then put it back. If you do this 5 times, what is the best prediction possible for the n

umber of times you will pick a pink marble? Enter the numerical answer only rounded to the nearest whole number.​
Mathematics
1 answer:
alina1380 [7]2 years ago
4 0
Need more context. How many marbles are there in total, how many colours and how many of each colour?
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For one English test, sandy had to answer 15 questions. Of these questions, she answered 80 percent of them correctly. How many
Rudik [331]

Answer:

12

Step-by-step explanation:

15×0.8= 12

you're multiplying the total number of questions with the score as a decimal

6 0
2 years ago
Write the equation 
Shkiper50 [21]
a)\ the\ slope-intercept\ form:\ y=mx+b\\--------------------------\\m=\frac{2}{3}\Rightarrow y=\frac{2}{3}x+b\\\\the\ point\ (-3;\ 6)\Rightarrow \frac{2}{3}\times(-3)+b=6\\\\-2+b=6\ \ \ \ \ |add\ 2\ to\ both\ sides\\\\b=8\\\\\boxed{y=\frac{2}{3}x+8}


b)\ the\ two-points\ formula:y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\-----------------------------\\the\ points:\ (3;-1);\ (5;\ 7)\\\\y-(-1)=\frac{7-(-1)}{5-3}(x-3)\\\\y+1=\frac{7+1}{2}(x-3)\\\\y+1=\frac{8}{2}(x-3)\\\\y+1=4(x-3)\\\\y+1=4x-12\ \ \ \ \ |subtract\ 1\ from\ both\ sides\\\\\boxed{y=4x-13}

3 0
3 years ago
Read 2 more answers
6) Dairon needs 20 pieces of string 3/8
OleMash [197]

Answer:

I do believe that your correct anwer is D.

Step-by-step explanation:Hope it helped

3 0
3 years ago
In Jim's class, 5 times as many students take the bus as those who walk, a total of 24 students walk or take the bushow many mor
Veseljchak [2.6K]
4.8 students take bus

not sure if right though

but hope it helps c:



7 0
3 years ago
Read 2 more answers
2. A line passes through points (-1,-2) and (1,4). What is the equation of the line? TI​
Simora [160]
Slope = "rise over run" the difference in y values divided by the difference in x values
= 6/-3 = -2 = m. It's negative because as x increases, y decreases

plug that into the point slope formula, with either point. generally use the most simple point
y-h= m(x-k) where m= -2 and (k,h) = (2,-2)

y+2 = -2(x-2)

simply if you want

Y = -2x +4 -2 = -2x +2

or

2x +y = 2
5 0
3 years ago
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