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3 years ago

11

What value of m makes this equation true?

1 answer:

iris [78.8K]3 years ago

6 0

The correct answer is B) m=-8

First, add 9 on both sides of the equation. You should end up with 4m=-32.

Next, divide both sides of the equation by 4. You should end up with m=-8. (A negative divided by a positive equals a negative)

Hope this helps! Have a great day ;)

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OlgaM077 [116]

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2 years ago

What is the value of x?<br> X= 10^2 + 8^2

Luden [163]

$\: \: \: \: \: \: \: \: \: x = {10}^{2} + {8}^{2} \\ x = 164$

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2 years ago

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2 years ago

Natalie added 20 pieces of candy to a bowl. Two days later, half of the candy in the bowl is gone. If there are 14 pieces left i

Salsk061 [2.6K]

Answer:

8 pieces of candy

Step-by-step explanation:

Take the original amount of candy in the bowl to be $x$ .

It says that 20 pieces of candy were added, therefore there are $x+20$ pieces of candy in the bowl.

Half of the candy is gone, therefore $\frac{x+20}{2}$ pieces of candy are left in the bowl.

After half of the candy is gone, there are 14 pieces left, so we can say that $\frac{x+20}{2} =14$

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8 0

2 years ago

T he equation for a parabola with directrix y = –p and focus (0, p) is:

zhuklara [117]

The equation for a parabola with directrix y = –p and focus (0, p)

The distance between vertex and directrix is P

Also the distance between vertex and focus is also P

Focus (0,p) so focus lies on y axis

Directrix line is paralled to focus point

So Directex crosses the x axis .

Hence line of symmetry lies is the y-axis.

The graph is attached below.

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3 years ago