3 years ago

Which graph is a parabola?

Mathematics

1 answer:

Alexandra [31]3 years ago

4 0

Parábola graph is when you’re finding the vertex and y-intercept

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solve the formula for calculating the perimeter of a parallelogram with sides b and c for c p = 2b+2c

Airida [17]

P = 2b+2c
-2b -2b

p -2b =2c
/2 /2

p/2 -b =c

5 0

3 years ago

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Last week bananas costed 0.79 per pound this week they cost 0.89 per pound (need the percent change)

jekas [21]

Answer:

12.7% increase

Step-by-step explanation:

The percentage change can be found from ...

(change)/(original) × 100%

(0.89 -0.79)/(0.79) × 100% = 10/79 × 100% ≈ 12.7% . . . increase

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3 years ago

When graphed in the (x,y) coordinate plane, at what point do the lines x - y = 12

Alex17521 [72]

Answer:

(14, 2).

Step-by-step explanation:

x - y = 12

y = 2

Solving this system:

Plug y = 2 into the first equation:

x - 2 = 12

x = 14.

Therefore the point of intersection is at (14, 2).

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3 years ago

HELP MEE PLSSS I REALLY NEED HELP

Nana76 [90]

Answer: to understand this we need a picture of the triangle, but without it I know that the only answer that is correct is the 3rd

Step-by-step explanation:

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3 years ago

In a valid probability distribution, each probability must be between 0 and 1, inclusive, and the probabilities must add up to 1

lora16 [44]

The value of x is 1/5

Step-by-step explanation:

In a probability distribution, probability should be between 0 and 1. The probabilities add up to one.

Given probabilities are:

$\frac{1}{10}, \frac{1}{5}, \frac{1}{2}, x$

The sum of these probabilities will be equal to 1.

So,

To find x,

$\frac{1}{10}+\frac{1}{5}+\frac{1}{2}+x = 1\\\frac{1+2+5}{10}+x=1\\\frac{8}{10}+x=1\\x= 1- \frac{8}{10}\\x = 1- \frac{4}{5}\\x= \frac{5-4}{5}\\x=\frac{1}{5}$

The value of x is 1/5

Keywords: Probability, Distribution

Learn more about probability at:

#LearnwithBrainly

7 0

3 years ago

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