The graph for the coordinate points (0, 5), (1, 5.5), (2, 6), (3, 6.5) and (4, 7) is plotted below.
The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.
The given equation of a line is y=1/2x+5.
Substitute x=0, 1, 2, 3, 4, 5,....in a equation y=1/2x+5, we get
When x=0, y=5
When x=1, y=5.5
When x=2, y=6
When x=3, y=6.5
When x=4, y=7
So, the coordinate points are (0, 5), (1, 5.5), (2, 6), (3, 6.5) and (4, 7)
Therefore, the graph for the coordinate points (0, 5), (1, 5.5), (2, 6), (3, 6.5) and (4, 7) is plotted below.
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Answer:
Step-by-step explanation:
Y/1 = 2x + 5
Y = 2x + 5
Y = 2x + 5
When x = 1
Y = 2 ×1 +5
Y = 2 + 5
Y = 7
When x =0
Y = 2 × 0 + 5
Y = 5
When x = -2
X = 2 × -2 + 5
X = 1
( Make a table in the side of the page)
X | 1 0 -2
_ _______
Y 7 5 1
B. 1:3
C. 4:1
D. 1:4
2. In a probability experiment, Eric flipped a coin 42 times. The coin landed on heads 28 times. What is the ratio of heads to tails in this experiment?
A. 2/3
B. 2/1
C. 1/2
D. 2/3
Answer: 1. B. 1:3
2. A.
Step-by-step explanation:
1. Given : Rachel has 6 pairs of black shoes and 2 pairs of red shoes.
Then, the ratio of pairs of red shoes to pairs of black shoes will be :_
Which is written as 1:3.
Hence, the ratio of pairs of red shoes to pairs of black shoes = 1:3
Thus , correct option : B. 1:3
2. Given : In a probability experiment, Eric flipped a coin 42 times. The coin landed on heads 28 times.
Then, the ratio of heads to tails in this experiment will be :-
Hence, the correct option is : A.
the first one is A, because you divide both numbers by two, and make sure they are in the right order.
the answer to the second one is 2/3, because 28 divided by 42 is .66666
Answer:
$31
Step-by-step explanation:
$6.50 = $6
$15.75 = $16
$2.25 = $2
$7.25 = $7
$6 + $16 + $2 + $7 = $31