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gtnhenbr [62]
2 years ago
14

ASAP HELP This is due today so answer correct and I have attempt to do your best

Mathematics
1 answer:
Kamila [148]2 years ago
5 0

Answer:

3)  x-axis: 1 unit

   y-axis: 10 units    

4) quadrant II

coordinates:  (-2, 4)

7) Quadrants I and IV; time is always positive , but temperature can be positive and negative

8) W = (-0.75, -1)

Step-by-step explanation:

3)  x-axis: 1 unit

   y-axis: 10 units    

4) quadrant II

coordinates:  (-2, 4)

7) Quadrants I and IV; time is always positive , but temperature can be positive and negative

8) W = (-0.75, -1)

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Jenn has 13 fewer marbles then Marty.she has 20 marbles.which equation can be solved to find how many marbles Marty has?
faust18 [17]
If jenn has 13 fewer marbles than marty and we know she has 20 marbles, you would add 13 to 20 (33) to find how many marbles marty has. the equation would be 13+20=33 (or any variable depending on the context of the question.)
6 0
4 years ago
PLEASE HELP ME!!!
allsm [11]

Answer: 25??

Step-by-step explanation: $8×25= $200

i dont know if thats your answer thats just all the adults that could get in for $200.

-Zoey Lee

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7 0
3 years ago
Identify the standard form of the equation by completing the square.
OLEGan [10]

Answer:

\dfrac{(x-1)^2}{9}-\dfrac{(y-2)^2}{4}=1

Step-by-step explanation:

<u>Given equation</u>:

4x^2-9y^2-8x+36y-68=0

This is an equation for a horizontal hyperbola.

<u>To complete the square for a hyperbola</u>

Arrange the equation so all the terms with variables are on the left side and the constant is on the right side.

\implies 4x^2-8x-9y^2+36y=68

Factor out the coefficient of the x² term and the y² term.

\implies 4(x^2-2x)-9(y^2-4y)=68

Add the square of half the coefficient of x and y inside the parentheses of the left side, and add the distributed values to the right side:

\implies 4\left(x^2-2x+\left(\dfrac{-2}{2}\right)^2\right)-9\left(y^2-4y+\left(\dfrac{-4}{2}\right)^2\right)=68+4\left(\dfrac{-2}{2}\right)^2-9\left(\dfrac{-4}{2}\right)^2

\implies 4\left(x^2-2x+1\right)-9\left(y^2-4y+4\right)=36

Factor the two perfect trinomials on the left side:

\implies 4(x-1)^2-9(y-2)^2=36

Divide both sides by the number of the right side so the right side equals 1:

\implies \dfrac{4(x-1)^2}{36}-\dfrac{9(y-2)^2}{36}=\dfrac{36}{36}

Simplify:

\implies \dfrac{(x-1)^2}{9}-\dfrac{(y-2)^2}{4}=1

Therefore, this is the standard equation for a horizontal hyperbola with:

  • center = (1, 2)
  • vertices = (-2, 2) and (4, 2)
  • co-vertices = (1, 0) and (1, 4)
  • \textsf{Asymptotes}: \quad y = -\dfrac{2}{3}x+\dfrac{8}{3} \textsf{ and }y=\dfrac{2}{3}x+\dfrac{4}{3}
  • \textsf{Foci}: \quad  (1-\sqrt{13}, 2) \textsf{ and }(1+\sqrt{13}, 2)

4 0
2 years ago
Find a whole number between 9 4/9 and square root of 144
algol [13]

Answer:

11 is a whole number in between 94/9 and square root of 144 (which is 12 btw)

Step-by-step explanation:

3 0
4 years ago
physics convention 11 companies set up equal sized square booths in a row along one wall of a convention center.The booths are a
givi [52]

Answer:

Side length of each booth is 8.35 ft approximately.

Step-by-step explanation:

There are 11 companies set up equal sized square booths in a row along one wall of a convention center.

Now, refer the diagram to answer the problem.

It is given area is 1200.

So, length x width =1200

(11x+24)(x+2)=1200

Multiply using FOIL method.

11x^{2}+22x+24x+48=1200

11x^{2}+46x+48-1200=0

11x^{2}+46x-1152=0

Solve using quadratic formula

x=\frac{-46+/- \sqrt{46^{2}-4(11)(-1152 } }{2(11)}

x=\frac{-46+/-\sqrt{2116+50688} }{22}

x=\frac{-46+/-\sqrt{52804} }{22}

Simplify it

x=\frac{-49+/- 229.79}{22}

Simplify to get two values for x.

x=8.35; x=-12.67

Here negative does not work.

Side length of each booth is 8.35 ft.

3 0
3 years ago
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