Identify the first step when evaluating the expression 11 – 10 ÷ 2 + 6 × 1

Mathematics

1 answer:

notsponge [240]3 years ago

6 0

1st step when evaluating- 6 x 1

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What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).

Svet_ta [14]

Given that the directrix is at y = 4 and the focus is at (0, -4), then the vertex is at (h, k) = (0, 0).
p is the distance between the vertex and the focus and between the vertex and the directrix = 4 and since the focus is below the directrix, p is negative, i.e. p = -4
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Therefore, the required equation is (x - 0)^2 = 4(-4)(y - 0)
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3 years ago

Which expression is equivalent to 454•41/4 /1/2 4. 1/2

givi [52]

Answer:

Step-by-step explanation:

if you work inside parentheses first you get:

4^3/2 ÷ 4^1/2 which is 4

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