How many yards are there in 14 1/2 miles?

Mathematics

1 answer:

Sloan [31]3 years ago

5 0

Answer:

25520

Step-by-step explanation:

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If f(x) = 3 x2 + 2 and g(x) = x2 - 9, find (f - g)(x).

Tom [10]

Answer:

2x^2 +11

Step-by-step explanation:

(x) = 3 x^2 + 2

g(x) = x^2 - 9

(f - g)(x) =3 x^2 + 2 - (x^2 - 9)

Distribute the minus sign

= 3x^2 +2 - x^2 +9

Combine like terms

= 2x^2 +11

6 0

3 years ago

A 36 inch board is cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 5

Nadusha1986 [10]

Answer:

First piece = 4 inch, second piece = 12 inch , third piece = 20 inch

Step-by-step explanation:

Length of the board = 36 inch

Let, the length of the first piece = X

So, according to the question

Second piece = 3 times X = 3x

Third piece = 5 times X = 5X

Now, first piece + second piece + third piece = total length of the board

⇒ X + 3X+ 5X = 36 inch

or, 9X = 36 inch

or, X = 36/9 = 4 inch

So, length of the : First piece = 4 inch

Second Piece = 3X = 3 x 4 = 12 inch

Third piece = 5X = 5 x 4 = 20 inch

4 0

4 years ago

Help me please ! Thank you so so much :)

notka56 [123]

#4 = B
Explanation= Because C&A are the same angle measurement, and the 90 angle is along a straight line making the other angle 90, and the triangles share the same side the postulate you can use is AAS because you can prove that the triangles share 2 common angles and 1 common side

#5 = B
Explanation= Because the triangles already have 1 congruent angle, and 1 congruent side the only thing left we can prove is that because the triangles mirror each other, they have congruent opposite angles (may be called vertical angles) as well so they have 2 angles and 1 side in common which tells you to use AAS

5 0

3 years ago

I need help badly if you can help thank you very much

MArishka [77]

Answer:

(24,4,84)

Step-by-step explanation:

Since they restricted our domains to certain x values, we can find the range by plugging in the x values to find it y value or output.

$f( - 2) = 5( { - 2}^{2} ) + 4$