Step-by-step explanation:
equation -
(X+7) (x-1) =0
equation = x2 -x -7x -7 = x2 -8x -7
standard form = x2 -8x -7
factor form = (x+7) (x-1)
The answer is 12/30.
We have 12 red marbles and 30 marbles in total, so the probability is red marbles/total marbles=probability of getting a red marble!
Answer:
A = (16π - 8) cm^2
Step-by-step explanation:
The shaded area is trhe area of the circle minus rthe area of the truiangle,.
A = πr^2 - bh/2
A = π(4 cm)^2 - (4 cm)(4 cm)/2
A = 16π cm^2 - 8 cm^2
A = (16π - 8) cm^2
Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. The cost of 500 shares of Delta Air is $25,305.
<h3>What is multiplication?</h3>
Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. For example, 3 × 4 means 3 is added to itself 4 times, and vice versa for the other number.
The cost of a single share is $50.61, therefore, the cost of 500 shares will be,
Cost of 500 shares = 500 × cost of single share
= 500 × $50.61
= $25,305
Hence, the cost of 500 shares of Delta Air is $25,305.
Learn more about Multiplication:
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Answer:
y= 2x+1
Step-by-step explanation:
Points:
Form of the line:
- y=mx+b, m- the slope, b- y-intercept
Finding the slope:
- m= (y2-y1)/(x2-x1)
- m=(3-1)/(1-0)= 2/1= 2
Line is now:
Using one of the given points to find out the value of b:
So the equation for the line is: