3 years ago

1. Which of the following is a quadratic function?

Mathematics

1 answer:

padilas [110]3 years ago

7 0

Answer:

2 and 3

Step-by-step explanation:

Anything that is to the power of 2 is quadratic

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ruslelena [56]

do you mean 2x squared? If so, x = 5, -5

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3 years ago

after spending 80% of her daily allowance, Ola found out she had 25k left. How much was her total allowance?

Anestetic [448]

Answer:

31.25 k

Step-by-step explanation:

80 % * x = 25 k

.80 x = 25 k

x = 25 k / .80 = 31.25 k

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2 years ago

Use the formula d = rt to find the distance d a long distance runner can run at a rate of 9 1/2 miles per hour for time t or 1 3

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D = (9 1/2) (1 3/4) D = 11 7/8 miles

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3 years ago

Delia went to the market to buy 4 pounds of sliced fruit in a container. She paid with a $20 bill and a $5 bill and received $3.

Mekhanik [1.2K]

Answer:

$4.57. Hope this helps :)

Step-by-step explanation:

20+5=25

then you do

25-3.67= $21.33

you then divide that by the number of pounds she bought.

21.33/4= 5.3325

round that to the hundreths place and you get $5.33

so she paid $5.33 for a pound

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3 years ago

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Write an equation of the parabola in vertex form with the coordinates (-2,6) and (-1,3)

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