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3 years ago

Can U tell me the answer

Mathematics

1 answer:

Travka [436]3 years ago

6 0

-y^2*(a-4) should be the answer

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A radio telescope has a parabolic surface, as shown below. If the telescope is 5 m deep and 40 m wide, how far is the focus from

Montano1993 [528]

Answer:

i think the answer is 8m

Step-by-step explanation:

4 0

3 years ago

Which of these expressions shows a correct way to set up the slope formula for the line that passes through the points (3, 7) an

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

option c is correct

6 0

3 years ago

PLSSS HELP

slava [35]

This is an incorrect question, the correct question is given below.

Martin is building a model. He cuts two pieces of wood that are each $6\frac{1}{3}$ inches long from a board with a total length of 18 inches. What is the length, in inches, of the remaining part of the board?

Answer : The length of the remaining part of the board is $5\frac{1}{3}$ inches.

Step-by-step explanation :

As we are given that:

Total length of the board = 18 inches

Length of each piece of wood cut from the board = $6\frac{1}{3}$ inches = $\frac{19}{3}$ inches

Length of 2 pieces of wood cut from the board = $2\times \frac{19}{3}$ inches

= $\frac{38}{3}$ inches

Length of the remaining part of the board = Total length of the board - Length of 2 pieces of wood cut from the board

Length of the remaining part of the board = $18-\frac{38}{3}$ inches

= $\frac{54-38}{3}$ inches

= $\frac{16}{3}$ inches

= $5\frac{1}{3}$ inches

Therefore, the length of the remaining part of the board is $5\frac{1}{3}$ inches.

5 0

3 years ago

PSYCHO15rus [73]

Each pizza being ordered is $9.99

4 0

3 years ago

I don't know how to answer this question.

laiz [17]

Answer:

- 39/8y

Step-by-step explanation:

First you need to find a common denominator:

There is already a y in both denominators, so you don't have to worry about that. Since only one denominator has an 8, the other needs to have an 8, so you need to multiply the first fraction by 8 → - 4/y * 8 = - 32/8y

From here you can subtract the numerators:

- 32/8y +(- 7/8y) = - 39/8y

Because you are adding a negative to a negative, it makes the number mroe negative

I hope this helps!

3 0

3 years ago