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When a linear equation is in the form y = mx + c, the c, or constant, is the intercept on the y axis, meaning it crosses the y axis at (0, 1).
The gradient (1/3 in this case) is how much the y increments (or decrements) per increase of 1 of the value of x.
This would mean that there would be one point at (0, 1), and another at (3, 2). Draw a line from these two points and beyond, and that is the graph sketched.
Answer:
x = 28
m∠ACD = 68°
Step-by-step explanation:
∠BAE ≅∠DAC because they are vertical angles
∠ACD = 180 - 124 = 56°
to find 'x': 56 + 2x + (180 - 4x) = 180
236 - 2x = 180
-2x = -56
x = 28
m∠ACD = 180 - 4(28) = 180 - 112 = 68°
Answer: 11
Step-by-step explanation:
275% × 4 =
(275 ÷ 100) × 4 =
(275 × 4) ÷ 100 =
1,100 ÷ 100 = 11
Answer:
D. The standard deviation is known and n > 30.
Step-by-step explanation:
- Your sample size is greater than 30.
- Data points should be away from each other.
- Your data should be commonly categorized.
- Your data should be randomly picked from a population. Each item should have an equal chance of being selected.
- The sample sizes should be equal.