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Andrews [41]
3 years ago
6

What is the difference of the two polynomials? (NineX squared plus 8X) minus (twoX squared plus 3X)

Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0

Answer:

7x {}^{2}  + 5x

Step-by-step explanation:

9x {}^{2} + 8x - (2x {}^{2} + 3x) \\  \\  = 9x {}^{2} + 8x - 2x {}^{2} - 3x (remove \: brackets) \\\  \\ = 7x {}^{2} - 5x

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An altitude is drawn from the vertex of an isosceles triangle, forming a right angle
romanna [79]

Answer:

  • 54 in

Step-by-step explanation:

Use Pythagorean to find the missing side x of the triangle.

<u>It is a hypotenuse with other sides 18 in and half of 15 in:</u>

  • x = \sqrt{18^2+(15/2)^2} =\sqrt{380.25} =19.5

<u>The perimeter is:</u>

  • P = 2*19.5 + 15 = 54
7 0
2 years ago
Tempestt graphs a function that has a maximum located at (-4, 2). Which could be her graph?
son4ous [18]

Answer:

Here's what I get  

Step-by-step explanation:

Assume the function is a parabola.

The function has a maximum, so the parabola opens downward.

The maximum is at (-4,2), so the maximum is in the second quadrant.

The figure may look like the diagram below.

3 0
3 years ago
Original price of a hotel: $240.00 per night.
lawyer [7]

Answer:

$ 929

Step-by-step explanation:

Given: Original price of stay in hotel= $240 per night

           Discount= 25%

           Total taxes and fee = 29%

Now, finding the price of stay for four night.

Using unitary method to solve:

As we know original price of hotel stay per night is $240

∴ Price of four night stay at original price is 240\times 4 = \$ 960

Next, 25% discount given on the price of four night stay.

∴ 960 - \frac{25}{100} \times 960 = 960 - 240

= \$ 720

∴Price of four night hotel stay after discount is \$ 720

Now, 29% taxes and fees been added to the price.

Price of hotel stay after discount + Taxes paid.

720 + ( \frac{29}{100} \times 720) = 720 + 209

= \$ 929

∴ \$ 929 is the price to be paid for four night stay at hotel after discount and taxes.

5 0
3 years ago
I’m trying to find this I have an answer but I don’t know if it’s right 10points
Zolol [24]
Aint it 150 decimeters?
4 0
3 years ago
Whats 4+4???<br> PLEASE HELP!!
Dimas [21]

Answer:

8

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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