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3 years ago

“which of the equations below could be the equation of this parabola?”

Mathematics

2 answers:

WINSTONCH [101]3 years ago

8 0

Answer: C) y=1/2x^2

Step-by-step explanation:

By using a graphing calculator, we can conclude that the equation y = 1/2x^2 could be the equation of the parabola shown on the graph. (I used Desmos, please see the screenshot below if you have any doubts! :) )

kvasek [131]3 years ago

6 0

Answer:

Step-by-step explanation:

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What is 5x^2y^-3 simplified?

xxTIMURxx [149]

Answer:

(5x^2)/(y^3)

Step-by-step explanation:

6 0

3 years ago

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Andrej [43]

Answer:

Your answer is A.

Hope this helps!

Step-by-step explanation:

Line r's equation is

y = - 4/3x - 4

And Line s's equation is

y = 2/5x - 2

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3 years ago

Please look at number 10. from the slope and write the equation for me

kompoz [17]

Answer:

y = 8x + 38

Step-by-step explanation:

To find the slope we set up y = mx + b and plug m (our slope) in and then plug in the point into x and y to find b (our y-intercept)

y = mx + b

y = 8x + b

6 = 8(-4) + b

6 = -32 + b

+32 +32

38 = b

So using our slope and our intercept we have our slope intercept

y = mx + b

y = 8x + 38

Hope this helps :)

7 0

3 years ago

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Sonia opened a savings account and then added the same amount to the savings account eyery week. After 5 weeks, her savings acco

Goryan [66]

Answer:

since Sonia saved 45$ in 5 weeks and 70$ in 10 weeks. we are to find the amount she saved up in x weeks.

let's make the amount y

so x= y

5 = 45 cross multiplying the values

we then have 45x= 5y

y= 7x

x=y

10=70

10x = 70y

y= 7x = y=5x+ 20, y = 20x+5

7 0

3 years ago

Two kinds of tickets to an outdoor concert were sold: lawn tickets and seat tickets. Less than 400 tickets in total were sold. L

miskamm [114]

Answer:

Tickets to sit on the bench (b) = 150

Tickets to sit on the lawn (l) = 200

Step-by-step explanation:

Tickets to sit on a bench (b)cost $75 each.

Tickets to sit on the lawn (l) cost $40 each

350 tickets had been sold

$19,250 had been raised through tickets sales

This forms a simultaneous equation:

b + l = 350 ... (i)

75b + 40l = 19,250 ... (ii)

Multiplying (i) by 40 and (ii) by 1 we get;

40b + 40l = 14,000 ... (i)

75b + 40l = 19,250 ... (ii)

Subtracting (ii) - (i) we get;

35b = 5250

b = 5250 ÷ 35 = 150

7 0

3 years ago