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leonid [27]
3 years ago
15

Write an equation by setting the variable n equal to the given decimal . n =

Mathematics
1 answer:
frez [133]3 years ago
4 0

Answer:

n+4.7=7.3

-4.7 -4.7

n=2.6

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A parabola has a vertex at (0,0). The equation for the directrix of the parabola is x = –4. In which direction does the parabola
zaharov [31]

The parabola with vertex at (0,0) and directrix at x=-4, will open towards the right.

<h3>What is a directrix?</h3>

A parabola is a collection of points on a plane that are all at the same distance from a particular point and line. The point is called the focus of the parabola while the line is called the directrix. The directrix is perpendicular to a parabola's axis of symmetry and does not contact it.

As we know that the directrix is perpendicular to the axis of the parabola, now since the directrix is at x=-4, the parabola will be horizontal and will be opening either towards the left or the right.

As it is given that the vertex of the parabola is at (0,0) and we know that the parabola can not touch the directrix, therefore, the parabola's vertex will be at (0,0) and will open towards the right side. As shown below.

Hence, the parabola with vertex at (0,0) and directrix at x=-4, will open towards the right.

Learn more about Directrix:

brainly.com/question/2629634

7 0
2 years ago
The diameter of a tire is 2.5 ft. Use this measurement to answer parts a and b. Show all work to receive full credit.
Alex787 [66]
Divide them all together.
8 0
2 years ago
A pack of pencils cost $8, but the price went<br> up to $12. What is the percent of increase?
sp2606 [1]

Answer:

A pack of pencil' price=$8

Price went up=$12

increasing percentage = change/original x100

= (12 -8)/8 x100

=4/8 x100

=50%

6 0
3 years ago
Movies at the rental store are $3.75 each. Snacks and drinks are $1.89 each. Round each amount to the nearest dollar to estimate
hodyreva [135]

Answer:

$14.00

Step-by-step explanation:

First you round 3.75 to 4.00 because 7 is greater than 5 so it would turn the 3 to 4 than add the zeros it's 4.00. Second You multiply by three so 4.00 × 3 you will get 12.00. Than you round 1.89 to 2.00 because 8 is greater than 5 so it would turn to the 1 to the 2 than add the zeros it's 2.00. Finally you add them together and get $14.00

4 0
2 years ago
2.Write a ratio comparing the total pairs of socks in the drawer to the pairs of white socks in the drawer. Make sure it is in s
ICE Princess25 [194]
So ratio is there are 10 pairs of white socks and 21 pairs of socks total so the answer is
21:10
7 0
3 years ago
Read 2 more answers
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