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matrenka [14]
3 years ago
7

9x2 – 16 Factoring quadratic eqations

Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

Answer:

Step-by-step explanation:

Both are squares so

(3x - 4)2

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Choose the correct answer choice.
Dafna1 [17]

Answer:

The T shirt choice

Step-by-step explanation:

Both values increase at the same rate therefore is proportional.

7 0
3 years ago
Jake carries a green, a yellow, and a black guitar pic in his pocket. He randomly chooses a guitar pic from his pocket before ev
Kryger [21]

Answer:

1/3

Step-by-step explanation:

there is a total of 3 guitar picks

3 0
3 years ago
While walking between gates at an airport, you notice a child running along a moving walkway. Estimating that the child runs at
tekilochka [14]

The speed of the moving walkway relative to the airport terminal exists at 1.84 m/s.

<h3>How to estimate the speed of the moving walkway relative to the airport terminal?</h3>

Let x be the speed of the walkway.

(2.8 + x) = speed of child moving in direction of the walkway

(2.8 - x) =  speed of child moving against the direction of the walkway

Travel time = distance/speed

Travel time of child moving in direction of walkway = 23/(2.8+x)

Total elapsed time given = 29s

23/(2.8 + x)+ 23 / (2.8-x) = 29

LCD = (2.8 + x)(2.8 - x)

23(2.8 - x) + 23(2.8 + x) = 29(2.8 + x)(2.8 -x)

simplifying the equation, we get

23*2.8-23x+23*2.8+23x=29(2.8^2-x^2)

23(2.8+2.8)/29=2.8^2-x^2

x^2=(2.8)^2-(23*5.6)/29)=3.4

x=\sqrt{3.4}=1.84m/s

Speed of walkway = 1.84 m/s

The speed of the moving walkway relative to the airport terminal exists at 1.84 m/s.

To learn more about Speed refer to:

brainly.com/question/4931057

#SPJ4

4 0
2 years ago
46 Two light houses ash their lights every 30 seconds and 40 seconds respectively. Given that they last ashed together at 10:40
IRISSAK [1]
30,60,90,120
40,80,120

they will both " ash " in 120 seconds (thats 2 minutes)...so they will both ash at 
10:42 a.m.
8 0
3 years ago
Answer :)
slava [35]
1. -3
2. 28
3. 88
4. -5
5. -28
4 0
3 years ago
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