MATHEMATICS HIGH SCHOOL

A parabola has a vertex at (0,0). The focus of the parabola is located on the positive x-axis. Which part of the graph will the directrix pass through?

Answers

Answer 1

Answer:

The directrix will pass through the negative x-axis

The given parameters are:

Vertex = (0,0)

Focus = Positive x-axis

Given that the vertex is at the origin, the directrix would be on the opposite side of the focus

This means that:

The directrix will pass through the negative x-axis i.e. quadrant II and III

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Which choice is equivalent to the expression below?√28+8√7

A.8√35
B.12√7
C.10V7
D.9V35

Answers

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A new backpack at the local store is originally priced $160. It is on sale for 35% off. What is the new sale price?

Answers

Answer:

$104

Step-by-step explanation:

10% = 160 ÷ 10 = $16

5% = $16 ÷ 2 = $8

30 % = 16 x 3 = $48

48 + 8 = $56

$160 - $56 = $104

Hope this helps!

A randomly generated list of numbers from 0 to 4 is being used to simulate an event, with the numbers 3 and 4 representing a success. What is the estimated probability of a success?

Answers

Answer:

40%

Step-by-step explanation:

a.p.e.x

2/4=1/2 because 3 and 4 are 2 of four numbers

What is the value of the expression 72 – 42?

Answers

Answer:

72-42=30

the correct answer is 30

(((((can you give me the crown please i need a crown)))))

Answer:

Step-by-step explanation:

These values are standardized test scores. What is the mean score to the nearest tenth?27.2 13.5 42.1 37.9 25.0

Answers

First add up the numbers.
27.2+13.5+42.1+37.9+25=145.7
Now divide it by 5
29.14 or 29.1 rounded is the answer

A scanner scanned 72 photos in 8 minutes. If it scans photos at a constant rate, it can scan photos in 23 minutes.

Answers

it can scan 207 photos in 23.

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