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4 years ago

Which of the following division sentences does the figure below model

Mathematics

1 answer:

fomenos4 years ago

5 0

Dudeeee this is hard. Pick C no balls

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What are the solutions to the equation 3x^2 + 15x = 18. Show your work.

balandron [24]

Assignment: $\bold{Solve \ Equation: \ 3x^2+15x=18}$

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Answer: $\boxed{\bold{x=1,\:x=-6}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Subtract 18 From Both Sides

$\bold{3x^2+15x-18=18-18}$

[ Step Two ] Simplify

$\bold{3x^2+15x-18=0}$

[ Step Three ] Solve With Quadratic Formula

Note: $\bold{For\:a\:quadratic\:equation\:of\:the\:form\: ax^2+bx+c=0}$

$\bold{the \ solutions \ are \ x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}}$

$\bold{a=3,\:b=15,\:c=-18:\quad x_{1,\:2}=\frac{-15\pm \sqrt{15^2-4\cdot \:3\left(-18\right)}}{2\cdot \:3}}$

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$\bold{\frac{-15+\sqrt{15^2-4\cdot \:3\left(-18\right)}}{2\cdot \:3}: \ 1}$

$\bold{\frac{-15-\sqrt{15^2-4\cdot \:3\left(-18\right)}}{2\cdot \:3}: \ -6}$

[ Step Four ] Combine Solutions

$\bold{x=1,\:x=-6}$

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$\bold{\rightarrow Mordancy \leftarrow}$

5 0

3 years ago

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Which of the following is an arithmetic sequence?

ZanzabumX [31]

Answer:

B is an arithmetic sequence because the number that you add or subtract between each number has to match

3 0

3 years ago

Can you give me the answers to the picture i showed u

valina [46]

Answer:

Sorry I don’t know I’m just answering this to so I can answer mine I’m sorry

Step-by-step explanation:

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3 years ago

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Graph the direct variation equation. <br> Y=-1/2x

Fiesta28 [93]

Answer: Pls add me brainliest!

Step-by-step explanation: Slope: - 1/2

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3 years ago

The triangle shaped entrance to the cavern i 1 1/2 feet tall and 4 feet wide whats the area

oee [108]

A=1/2 b*h
So substitute it in 1/2*1/2*4
1/2*1/2= 1/4
1/4*4= 4/4= 1 so the entrance is 1 foot tall

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3 years ago

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