If a line contains the point (0, -1) and has a slope of 2, then which of the following points also lies on the line?(2, 1)
(1, 1)
(0, 1)
Answers
Answer:
(1, 1)
Step-by-step explanation:
Since, the equation of the line with slope m and passes through is,
Here,
Thus, the equation of the line,
y + 1 = 2(x-0)
⇒ y + 1 = 2x
If a point lies on the line then it must satisfy the equation of the line,
For (2, 1)
1 + 1 ≠ 2(2)
For (1, 1)
1 + 1 = 2(1)
For (0, 1)
1 + 1 ≠ 2(0)
Thus, the point (1, 1) lies on the line.
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the boiling point of krypton is -152°c. the boiling point of radon is -6 °c What is the difference between the two boiling points?
$880.68
$80,000.80
$10,500
Answers
Answer:
-7j +3
Step-by-step explanation:
-5j -2j +3
-7j +3
like terms are combined. combine the js
Answers
Answer:
43.75% students were participated last year.
Step-by-step explanation:
We have been given that last year 7/16 of all students at a school participated in the science fair.
Let us suppose the total number of students were x. Then, number of students participated last year is given by
Hence, the percentage of the students participated last year is given by
Therefore, 43.75% students were participated last year.
70%, 3/4, 0.6, 2/3
Answers
3/4 = 0.75
0.6 = 0.6
2/3 = 0.667
In order from smallest to greatest:
0.6, 0.667, 0.7, 0.75 =
0.6, 2/3, 70%, 3/4
Therefore the smallest is 0.6
3/4 = 0.75 = 75%
0.6 = 0.60 = 60%
2/3 = 2/3 of 100% = 66 and 2/3%
It looks to me as if 0.6 = 60% is the smallest of the 4 examples.
137; her original calculation is reasonable
145; her original calculation is not reasonable
310; her original calculation is reasonable
390; her original calculation is not reasonable
Answers
weekWalk = 5(2) + 3 = 10 + 3 = 13
therefore, she walks 13 miles per week, if she walked for 29 weeks then we have:
total walked =(29)(13) = 377
so she walked 377 miles total, so her original estimate is not reasonable
Answer
390; her original calculation is not reasonable
Step-by-step explanation:
Answers
Answer:
3 measurements of different rectangular prisms that each have a surface area
of 20 square units is given as
(4.5 × 1 × 1)
(2 × 1 × 2.67)
(2 × 3 × 0.80)
Step-by-step explanation:
A rectangular prism is a cuboid and the surface area of a cuboid with length, x, width, y and height, z, is given as
S = 2xy + 2yz + 2xz
S = 2[xy + yz + xz]
So, the question asks us to list 3 different measurements of a rectangular prism with surface area of 20 square units.
S = 2[xy + yz + xz] = 20
[xy + yz + xz] = 10
So, with a little of trial and error, we can vary the values of x, y and z to obtain 3 separate measurements that give a surface area of 20 square units.
[xy + yz + xz] = 10
Let x = 4.5, y = 1, z = 1
(4.5×1) + (1×1) + (4.5×1) = 10, works!!!
(x, y, z) = (4.5, 1, 1)
[xy + yz + xz] = 10
Again, we can fix arbitrary values for two sides and calculate for the last side.
If x = 2 units, y = 1 unit,
(2×1) + (1×z) + (2×z) = 10
2 + 3z = 10
3z = 8
z = (8/3) = 2.667 units
(x, y, z) = (2, 1, 2.67)
[xy + yz + xz] = 10
And lastly, if x = 2, y = 3
(2×3) + (3×z) + (2×z) = 10
6 + 5z = 10
5z = 4
z = (4/5) = 0.80 unit
(x, y, z) = (2, 3, 0.80)
Hope this Helps!!!
Answers
Answer:
They questioned President Carter’s leadership.
Step-by-step explanation:
That is because they were unsatisfied with the way Jimmy Carter was running the country.