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emmainna [20.7K]
3 years ago
12

If −6x+9y=−4 is a true equation, what would be the value of 9y−6x?

Mathematics
1 answer:
Arisa [49]3 years ago
7 0

Answer:

It will be 30

Step-by-step explanation:

Also Have a good day I love you so much Make sure to drink plenty of fluids ♡ ♡

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Can the statement be written as a biconditional statement and why?????
Gwar [14]

No. Writing it as a biconditional would mean that "If a number is odd, then it is a prime number" is also true. The original statement is true, but the converse is false.

5 0
2 years ago
If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it
e-lub [12.9K]
This is the concept of trajectories;
We are required to calculate the time taken for the base ball whose distant to reach the maximum height has been modeled by h=-16t^2+64t+4.2 took to hit the ground. Here we proceed as follows;
At the time when the base ball hits the ground the height,h=0
Thus;
-16t^2+64t+4.2=0
this is a quadratic equation, to solve the quadratic equation we use the formula;
t=[-b+/- sqrt(b^2-4ac)]/(2a)
where;
a=-16,b=64, c=4.2
thus substituting the values in our formula we get:
t=[-64+/-sqrt(64^2-4*(-16)*4.2)]/(-16*2)
t=[-64+/- sqrt(4364.8)]/(-32)
t=[-64+/-66.1]/(-32)
t=4.1 or-0.1
thus the we take the positive value t=4.1 and we conclude that the time taken for the ball to hit the ground was 4.1 seconds

7 0
2 years ago
Will give correct answer brainliest​
Elodia [21]

Answer:

2. Division property of equality

3. x+1 = -4

4. Subtraction property of equality

5. x = -5

Step-by-step explanation:

8 0
2 years ago
Please help, I will give brainliest if you are correct
PolarNik [594]

Answer:

In 24 years there will be 140 foxes

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
will got 17 out of 25 questions correct on his driving test what percent correct did he get on the test?
Natalija [7]

Answer:

68%

Step-by-step explanation:

  1. \frac{17}{25} = \frac{68}{100}  
  2. \frac{68}{100} = 68%

I hope this helps!

5 0
3 years ago
Read 2 more answers
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