3 years ago

Brainliest and 50 more points if you get it right

Mathematics

2 answers:

BlackZzzverrR [31]3 years ago

8 0

Answer:

Step-by-step explanation:

not sure .............

Naya [18.7K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Leto [7]

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Step-by-step explanation:

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2 years ago

What number must be added to both sides of the equation to complete the square?

adelina 88 [10]

(x-8)²= x²-16x+64
x²-16x+8=0
Therefore 56 must be added.

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2 years ago

A system of equations is given below. y=1/2x-3 and -1/2x-3. Which of the following statements best describes the two lines?

pantera1 [17]

"They have different slopes but the same y-intercept, so they have one solution" is the statement which best describes the two lines.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equations:

$y=\left(\frac{1}{2} \times x\right)-3$

$y=\left(-\frac{1}{2} \times x\right)-3$

As we know that the slope intercept form of a line is

y = m x + c

So, from equation 1 and equation 2 we can see that

$m_{1}=\frac{1}{2} \quad \text { and } c_{1}=-3$

$m_{2}=-\frac{1}{2} \text { and } c_{2}=-3$

So, from the above expressions, we can say that both lines have different slopes but have same y – intercept with one common solution when x = 0.

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2 years ago

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Sharon kicks a ball from the ground into the air with an upward velocity of 64 feet per second. The function h = -16t2 + 64t mod

pychu [463]

To find when the ball reaches the ground, you would need to find the time that gives you a height value of zero.

Your answer would be 4 seconds

h = -16(4)^2 + 64(16)
h = -16(16) + 256
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h = 0

Hope this helps!

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