Suppose the teacher begins recording on a digital camera with an hour available. Show that there is enough time to record everyo
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Answer:
a₇₄ = - 209
Step-by-step explanation:
There is a common difference between consecutive terms , that is
79 - 83 = 75 - 79 = - 4
This indicates the sequence is arithmetic with nth term
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 83 and d = - 4 , then
a₇₄ = 83 + (73 × - 4) = 83 + (- 292) = 83 - 292 = - 209
The equation of the line is y = x +
Step-by-step explanation:
The form of the linear equation is y = mx + b, where
- m is the slope of the line,
- b is the y-intercept, to find b substitute x and y in the equation by the coordinates of any point on the line
∵ A line passes through points ( , 5) and (
, 4)
∴ =
and
=
∴ = 5 and
= 4
- Substitute them in the rule of the slope to find m
∵
∴
- Substitute it in the form of the equation
∴ y = x + b
- To find b substitute x and y in the equation by the coordinates
of any point on the line
∵ Point ( , 5) lies on the line
∴ x = and y = 5
∴ 5 = (
) + b
∴ 5 = + b
- Subtract from both sides
∴ = b
∴ y = x +
The equation of the line is y = x +
Learn more:
You can learn more about the linear equations in brainly.com/question/1284310
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