3 years ago

When a=2, b=-4, and c=1

Mathematics

1 answer:

Alexxx [7]3 years ago

4 0

we know that the quatraitic equation

we know that the quadratic equation is aX square + bx + c we put this value A and B and C in equation X square + bx + c

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State if each pair of ratios forms a proportion <br> 4/2 and 20/6

Inga [223]

4/2 forms a proportion because it can be simplified further into 2.
20/6 forms a proportion because it can be simplified to 10/3

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3 years ago

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The endpoints of EF are E(xE , yE) and F(xF , yF). What are the coordinates of the midpoint of EF?

tatyana61 [14]

Answer:

The coordinates of the midpoint of EF is equal to

$(\frac{xE+xF}{2},\frac{yE+yF}{2})$

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two points is equal to

$M=(\frac{x1+x2}{2},\frac{y1+y2}{2})$

In this problem we have

$(x1,y1)=(xE,yE)$

$(x2,y2)=(xF,yF)$

Substitute the values in the formula

$M=(\frac{xE+xF}{2},\frac{yE+yF}{2})$

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3 years ago

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It cost Lori $14 to go to the movies. She bought popcorn for $3.50 and a soda for $2.50. How much was her ticket?

DochEvi [55]

Her ticket was 12.00

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3 years ago

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A school band went on a trip to a music festival. The band director was admitted for free, but it cost $100 to rent a bus for th

Yanka [14]

Answer:

100 + 4s = 244

Step-by-step explanation:

Cost of the ticket for s students = 4s

Bus rent + cost of ticket for 's' students = $ 244

100 + 4s = 244

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3 years ago

4. In your own words, define a perfect square Provide three examples of<br> perfect squares.

xz_007 [3.2K]

Answer:

A number that can be divide by 2 numbers that are the exact same ex: 144-12 16-4, 64-8

Step-by-step explanation:

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2 years ago