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just olya [345]
2 years ago
5

Help please! I asked this question three times and my session is about to start I really need to submit it.

Mathematics
1 answer:
hodyreva [135]2 years ago
5 0

Answer: 13) 6

I dont know 16 or 17

19) 33

Step-by-step explanation:

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Simplify the radical expression below.<br><br><img src="https://tex.z-dn.net/?f=3%20%5Csqrt%7B7%7D%20-%20%5Csqrt%7B63%7D%20" id=
anzhelika [568]

So for this, we can simplify √63 as such:


\sqrt{63}=\sqrt{7*9}=3\sqrt{7}


Using the simplified version of √63, we can solve it:


3\sqrt{7} -3\sqrt{7} =0


Zero is your final answer.

4 0
3 years ago
Which of the following functions best describes this graph?
ValentinkaMS [17]

Answer: y=x^2+7x+10

Step-by-step explanation: apex

3 0
3 years ago
a tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an inital speed of 120 feet per second
Brrunno [24]

Answer:

An equation that correctly models the ball's height as a function of time is:

h (t) = - 16t ^ 2 + 130t + 2

Step-by-step explanation:

i hope this helps !

7 0
3 years ago
Read 2 more answers
Cami drew part of a jet on the coordinate plane and then reflected what she had drawn over the y-axis to complete the drawing. I
Elina [12.6K]

Answer:

A' is (1,2)

B' is (4,-3)

C 'is (2,-6)

Step-by-step explanation:

A is (-1,2)

B is (-4,-3)

C is (-2,-6)

so the images of the points are reflected across the y axis, so the x coordinate is the opposite:

A' is (1,2)

B' is (4,-3)

C' is (2,-6)

5 0
3 years ago
Four points are graphed on the coordinate grid.
aksik [14]
It would be C. (-1,-11/2)

Because the graph does not have a point on the x coordinate as -1 but on the y coordinate
4 0
2 years ago
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