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Arisa [49]
2 years ago
14

Mike played a game and earned 25 points if he then lost 30 points what was his final score?​

Mathematics
2 answers:
vagabundo [1.1K]2 years ago
6 0

Answer:

-5

Step-by-step explanation:

Assuming he started with zero points,

25 - 30 = -5

Vlad1618 [11]2 years ago
4 0

Answer:

5

Step-by-step explanation:

I subtracted

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Factor the expression 2x^3-10x^2-5x+25. Show your work.
azamat

Step 1. Factor out common terms in the first two terms, then in the last two terms.

2x^2(x - 5) -5(x - 5)

Step 2. Factor out the common term x - 5

(x - 5)(2x^2 - 5)

4 0
3 years ago
Please help me, A candle is in the shape of a frustum (a cone with the top cut off). Calculate the volume of the candle to the n
MariettaO [177]

Answer:

Height = 8 cm

You will need this formula (see attached):

Volume = [PI * 8 * (2² + 2*4 + 4²)]  / 3

Volume = [3.14159265 * 8 * (4 + 8 + 16)] / 3

Volume = 234.57 cubic centimeters

Source: http://www.1728.org/volcone.htm

Step-by-step explanation:

3 0
2 years ago
The following table shows a portion of a four-year amortization schedule. A 4-year amortization schedule. The loan amount or pri
yKpoI14uk [10]

Answer:

  • Option c. $ 9,543.97

Explanation:

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From those two data, you can calculate <em>how much of the principal has been paid off after </em>25 months, because the amount paid off is equal to the loan less the balance after 25 payments:

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8 0
3 years ago
4. The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed
elixir [45]
Assume the parabola is placed on a graph where the x-axis is the top of the dish.
The vertex is then at (0,-30)  The x-intercepts or zeros are at (-30,0) and (30,0)

The equation of such parabola would be:
y = a(x+30)(x-30)
Plug in vertex to find value of 'a'
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Now find the focus given that p = \frac{1}{4a}
p = \frac{1}{4(1/30)} = \frac{30}{4} = 7.5

Answer: the microphone should be placed 7.5 inches from vertex.
8 0
3 years ago
I’m struggling hardcore and I’m an online student!! I need this done by tomorrow but I am so confused on everything
Setler79 [48]

Answer:

I'm but ask a assistant

Step-by-step explanation:

ok

5 0
3 years ago
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