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2 years ago

Need help I got 23,294 as the answer but it’s not an option please explain how you got the answer.

Mathematics

1 answer:

OLEGan [10]2 years ago

8 0

Answer:

Step-by-step explanation:

Calculation seems correct to me, with d the distance and h the height of the plane, and i got the same value. Closest value is A tho, so i'd stick with it.

If you want to be pedantic about it, you can always divide the heigth by each value, and get the inverse tangent of each value. With A you get 17.995 which seems the best value you get

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Your friend attempted to factor an expression as shown. Find the error in your friends work. Then factor the expression correctl

loris [4]

Answer:

Third step is incorrect. The correct factored form is (x-1)(2x-5).

Step-by-step explanation:

The given expression is

$2x^2-7x+5$

We need to find the factored form of this expression.

Step 1: Given

$2x^2-7x+5$

Step 2: Splitting the middle term method, the middle term can be written as (-5x-2x).

$2x^2-5x-2x+5$

$(2x^2-5x)+(-2x+5)$

Step 3: Taking out common factors from each parenthesis.

$x(2x-5)-1(2x-5)$

Step 4: Taking out common factors.

$(x-1)(2x-5)$

Therefore, the third step is incorrect. The correct factored form is (x-1)(2x-5).

3 0

3 years ago

12-22 plz help thanks

Kisachek [45]

12-22 = -10 because know I'm right and it says I have to put more words so just look at the first part

6 0

3 years ago

How many different ways can you make 75cents using nickles quaters and dimes?

kotegsom [21]

3 dimes, 1 nickel
2 dimes, 3 nickels
1 dime, 5 nickels
7 nickels
(don't forget to add in the initial quarter, dime, and nickel)

4 0

3 years ago

What is the relationship between the center of any circle and the point that lie on the circle?

Arlecino [84]

The distance between the center and any point on the circle is the radius. That's likely what your book or teacher is asking for.

Note: double the radius and you get the diameter

7 0

3 years ago

Read 2 more answers

In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the populat

DiKsa [7]

Answer:

the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

Step-by-step explanation:

From the given information:

Let consider y to represent the number of years after 1999

Then the population in time (y) can be expressed as:

P(y) = 9400y + 924900

The average annual income can be written as:

A(y) = 1400y + 30388

The total personal income = P(y) × A(y)

The rate at which the total personal income is rising is T'(y) :

T'(y) = P'(y) × A(y) + P(y) × A'(y)

T'(y) = (9400y + 924900)' (1400y + 30388) + (9400y + 924900) (1400y + 30388)'

T'(y) = 9400(1400y + 30388) + (9400y + 924900) 1400

Since in 1999 y =0

Then:

T'(0) = 9400(1400(0) + 30388) + (9400(0) + 924900) 1400

T'(0) = 9400(30388) + (924900)1400

T'(0) = $1,580,507,200 billion

Therefore; the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

8 0

3 years ago