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brilliants [131]
3 years ago
6

PLEASE HELP ASAP ITS DUE SOON!!!!

Mathematics
2 answers:
Mars2501 [29]3 years ago
6 0

Answer:

A

Step-by-step explanation:

Look at the y axis and find the highest point.

seropon [69]3 years ago
6 0

Answer:

I believe it would be a: y=30; The maximum height...

Step-by-step explanation:

It's where the line would be, and describes exactly where the line of symmetry would be. Hope this helps :)

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Write the equation for a parabola with a focus at (-7,-5) and a directrix at x = -4
Nataliya [291]

Answer:

y² + 10y + 6x + 58 = 0

Step-by-step explanation:

Focus of the parabola has been given as (-7, -5) and directrix as x = -4

Let a point on the parabola is (x, y).

By the definition of a parabola, "distance of a point on parabola is equidistant from focus and directrix".

Distance from focus of the given point = \sqrt{(x+7)^2+(y+5)^2}

Distance of the point from directrix = \sqrt{(x+4)^2}

Therefore, equation of the parabola will be,

\sqrt{(x+7)^2+(y+5)^2}=\sqrt{(x+4)^2}

(x+7)^2+(y+5)^2=(x+4)^2

x² + 14x + 49 + y² + 10y + 25 = x² + 8x + 16

y² + 14x + 10y + 74 = 8x + 16

y² + 10y + 6x + 58 = 0

6 0
2 years ago
Read 2 more answers
hellllllllpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
tangare [24]

Answer:

see below.

Step-by-step explanation:

1st row has four small boxes

2nd row has three big boxes

big box 1 has no items ragged in it.

big box 2 has small box 1 and also small box 1 dragged into it.

big box 3 has small box 3 and small box 4 dragged into it.

5 0
3 years ago
Select the correct answer ? What is the sum of 9.72 x 10^8 and 1.93 x 10^7?
Makovka662 [10]

Answer:

B

Step-by-step explanation:

(9.72 × 10^{8}) + (1.93 × 10^{7})

Take out 10^{7} as a common factor

= 10^{7}(9.72 × 10 + 1.93)

= 10^{7}(97.2 + 1.93)

= 10^{7} × 99.13

= 10^{7} × 9.913 × 10^{1}

= 9.913 × 10^{8} → B


7 0
3 years ago
While on a walk in the country, you pass a field of goats and chickens. After a quick count, you determine there are 38 heads an
Neko [114]

Answer:there are 16 goats and 22 chickens.

Step-by-step explanation:

Let x represent the number of goats in the field.

Let y represent the number if chicken in the field.

After a quick count, you determine there are 38 heads and 108 feet in the field. A goat has one head. A chicken also has one head. It means that

x + y = 38

A goat has four legs. A chicken has 2 legs. It means that

4x + 2y = 108 - - - - - - - - - - - 1

Substituting x = 38 - y into equation 1, it becomes

4(38 - y) + 2y = 108

152 - 4y + 2y = 108

- 4y + 2y = 108 - 152

- 2y = - 44

y = - 44/ - 2

y = 22

x = 38 - y = 38 - 22

x = 16

8 0
3 years ago
Carlos is tiling a kitchen counter that is 12 feet by 3 feet.The counter has a rectangular hole 3 feet by 2 feet cut in it for a
alina1380 [7]

Answer:

Carlos has to tile 30 sq ft


3 0
2 years ago
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