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lisov135 [29]
3 years ago
14

Solve for b. 3b+2(b-3)=4

Mathematics
1 answer:
aleksandrvk [35]3 years ago
3 0
The answer is b=2 because yea
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muminat
You need to add the two quadratics together...

x^2+11x-6+6x^2-3x+9

7x^2+8x+3
7 0
2 years ago
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What is the equation process to this question?
Andreyy89

The given equation is h(t)=-16t^2+80t+4 where h is the height, in feet, of a ball and t is the time, in seconds.

<u>Part a: The height of the ball when t = 2 seconds:</u>

The height of the ball above the ground 2 seconds after it is released can be determined by substituting t= 2 in the equation h(t)=-16t^2+80t+4, we get;

h(2)=-16(2)^2+80(2)+4

Simplifying the terms, we get;

h(2)=-64+160+4

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Thus, the height of the ball after 2 seconds is 100 feet.

<u>Part b: The height of the ball when t = 4 seconds:</u>

The height of the ball above the ground 4 seconds after it is released can be determined by substituting t = 4 in the equation h(t)=-16t^2+80t+4, we get;

h(4)=-16(4)^2+80(4)+4

Simplifying the terms, we get;

h(4)=-256+320+4

h(4)=68

Thus, the height of the ball after 4 seconds is 68 feet.

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3 years ago
Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles.
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Green: 3/12
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1 year ago
Line cd has endpoints c(1,4) and d(5,0) line ef has endpoints (4,5) and (2,-1).​
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Answer:

yo what up

Step-by-step explanation:

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Given the figures are similar, calculate the perimeter of the ABCDE.
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Let the length of side AB be $x$, then

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3 years ago
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