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3 years ago

Please answer this question! 14 points and brainliest!

Mathematics

1 answer:

Alexus [3.1K]3 years ago

7 0

Answer:

The value of x is 72

Step-by-step explanation:

To find the value of x, we first need to give all the fractions on the right common denominators.

x/3 - x/4 = 6

4x/12 - 3x/12 = 6

Now we can complete the indicated operation.

x/12 = 6

And to solve we can use cross multiplication.

6*12 = x*1

72 = x

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Using the given information, give the vertex form equation of each parabola.

Amanda [17]

Answer:

The equation of parabola is given by : $(x-4) = \frac{-1}{3}(y+3)^{2}$

Step-by-step explanation:

Given that vertex and focus of parabola are

Vertex: (4,-3)

Focus:( $\frac{47}{12}$ ,-3)

The general equation of parabola is given by.

$(x-h)^{2} = 4p(y-k)$ , When x-componet of focus and Vertex is same

$(x-h) = 4p(y-k)^{2}$ , When y-componet of focus and Vertex is same

where Vertex: (h,k)

and p is distance between vertex and focus

The distance between two points is given by :

L= $\sqrt{(X2-X1)^{2}+(Y2-Y1)^{2}}$

For value of p:

p= $\sqrt{(X2-X1)^{2}+(Y2-Y1)^{2}}$

p= $\sqrt{(4-\frac{47}{12})^{2}+((-3)-(-3))^{2}}$

p= $\sqrt{(\frac{1}{12})^{2}}$

p= $\frac{1}{12}$ and p= $\frac{-1}{12}$

Since, Focus is left side of the vertex,

p= $\frac{-1}{12}$ is required value

Replacing value in general equation of parabola,

Vertex: (h,k)=(4,-3)

p= $\frac{-1}{12}$

$(x-h) = 4p(y-k)^{2}$

$(x-4) = 4(\frac{-1}{12})(y+3)^{2}$

$(x-4) = \frac{-1}{3}(y+3)^{2}$

8 0

3 years ago

PLEASE HELP FIRST GETS BRAINLIEST!!!!!!!!!!!

Shalnov [3]

Four people read 6to 8 books.

7 0

4 years ago

Read 2 more answers

I will give Brainiest if you are right

Vadim26 [7]

Answer:

19.5º

Step-by-step explanation:

Every triangle is equal to 180º for all angles. So, you add 33.5 + 127 and subtract the sum by 180.

33.5 + 127= 160.5

180- 160.5 = 19.5

So, the angle F is 19.5º

Hope this helps !!

-Ketifa

8 0

3 years ago

Read 2 more answers

I need help answering this question.

Usimov [2.4K]

Answer:

28 degrees

Step-by-step explanation:

Since the lines are parallel this means that angle BEF and angle ABE are equal because they are alternate interior angles. We are given a right angle which measures 90°. This means we can do 118°-90° to give us angle ABD. This means that angle ABD is 28°.

8 0

3 years ago

Mark bought 4 pounds of apples for 7.56 what was the cost per pound

marusya05 [52]

Answer:

1.89

Step-by-step explanation:

7.56 ÷ 4 = 1.89

3 0

3 years ago

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