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mario62 [17]
3 years ago
5

When writing linear equations, how do you determine which form of a line to use?

Mathematics
2 answers:
emmainna [20.7K]3 years ago
6 0
When given two points, use point-slope form
When given a point and the intercept, use slope-intercept form.
When given a point and the slope, use point slope form.
mojhsa [17]3 years ago
4 0
If it does not specifically specify, the slope intercept form is usually acceptable. (y = mx + b).
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There are 12 blue marbles and 8 red marbles. find the probability of selecting one item
Diano4ka-milaya [45]

Answer:

selecting one item? If you mean each color:

40% chance for a red marble / 2/5 chance

60% chance for a blue marble / 3/5 chance

Step-by-step explanation:

Because there are 12 blue marbles and 8 red marbles, we would total them to see how many marbles there are in total. There are 20 in total, but to find the probability, if we put all 20 marbles in a bag (blue and red), and we picked a marble at random, there are 8 red marbles and 12 blue marble in that bag. The probability that I will choose red marbles is 8/20 (or 8 red marbles out of 20 total marbles), and for blue marbles, it would be 12/20 (or 12 blue marbles out of 20 total marbles). Simplify both expression to 2/5, and 3/5 respectively. Finally, if you need percentage, just multiply the denominator by 5 to get it to a hundred, and do the same to the numerator. This way you don't change the value of the expression.

8 0
3 years ago
If a/4 = b/7, what is the value of (a-b) / b?
DerKrebs [107]
First we will find out the values of a
a/4=b/7
a=4b/7

Now
(a-b)/b
{4b/7-b}/b
(4b-7b)/7b
-3b/7b
-3/7
8 0
2 years ago
Read 2 more answers
Classify each polynomial and determine its degree. The polynomial 3x2 is a with a degree of . The polynomial x2y + 3xy2 + 1 is a
Georgia [21]
For this case we have the following polynomials:
 3x2
 x2y + 3xy2 + 1
 We have then:

 For 3x2:
 Classification: polynomial of one variable:
 Degree: 2

 For x2y + 3xy2 + 1:
 Classification: polynomial of two variables
 Degree: 2 + 1 = 3
 Answer:
 
The polynomial 3x2 is of one variable with a degree of 2.
 
The polynomial x2y + 3xy2 + 1 is of two variables a with a degree of 3.
3 0
3 years ago
Read 2 more answers
Plzzz Answer this as soon as possible!!!!
yaroslaw [1]
21.50+0.25r =22.25.
4 0
3 years ago
Please answer it thank you
AnnyKZ [126]

Answer:

C, linear

Step-by-step explanation:

C is the only one with the (1,8) corriant

And it is linear because it has a pattern

5 0
2 years ago
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