Which of the following points lie in the solution set to the following system of inequalities? y > −3x + 3 y > x + 2

Mathematics

1 answer:

OverLord2011 [107]3 years ago

5 0

Answer:

y> -3x

y > x +2

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A ball is thrown straight up from the top of a building 144 ft tall with an initial velocity of 48 ft per second. The height

fgiga [73]

Answer:

180feet

Step-by-step explanation:

Given the function that models the height of a ball

s(t) = 144 + 48t − 16t^2.

At maximum height, the velocity is zero ie. ds/dt = 0

ds/dt = 48 - 32t

0 = 48 - 32t

48 = 32t

t = 48/32

t = 1.5secs

Get the maximum height

s(t) = 144 + 48t − 16t^2.

s(1.5) = 144 + 48(1.5)-16(1.5)^2

s()1.5) = 144 + 72 - 16(2.25)

s(1.5) = 144 + 72-36

s(1.5) = 180 feet

Hence the maximum height attained by the ball is 180feet

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2 years ago

Pens and Pencils

Lina20 [59]

Pen=x
Pencil=y
y+0.15=x
y+x=0.69
y+y+0.15=0.69
2y=0.69-0.15
2y=0.54
y=0.54/2
y=0.27 pencils
y+0.15=x
0.27+0.15=x
0x=0.42 pen
150 pencils x0.27=40.5$
225 pens x 0.42=94.5$
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2 years ago

A lunch menu consists of:

olasank [31]

Answer:

Step-by-step explanation:

4+4=8 8+6=14 all u had to do is add

4 0

2 years ago

Read 2 more answers

F(x)=x^2-2x-3 (so I need the done in like 20 min)

maks197457 [2]

Vertex point: (1, -4)

X-intercepts: (-1, 0) , (3, 0)

Y-intercept: (0, -3)

Axis of symmetry: x = 1

This function will create a parabola that opens upwards. I’m not entirely sure what I was supposed to answer. Hopefully this covered it. I’ll attach an image of the parabola in case I missed anything.