2 years ago

What is the discriminante of 9x^2+10x

1 answer:

6 0

The discriminant of y=ax^2+bx+c is b^2-4ac

given
9x^2+10x+0
a=9
b=10
c=0

discriminant=10^2-4(9)(0)=100-0=100

the discriminant is 100

You might be interested in

Whet is 2y+14x-7x+9y

matrenka [14]

Answer:

Step-by-step explanation:

2y + 14x - 7x + 9y

2y + 9y + 14x - 7x

11y + 7x

6 0

2 years ago

Read 2 more answers

A garden is in the shape of a square of length 35 2/5 m. find its (i) perimeter and (ii) area.

Crank

Answer:

perimeter = 56 m

area= 196 m^2

Step-by-step explanation:

perimeter = 4 x sides = 4 x 35(2/5) = 4 x 14 = 56 m

area= sides^2 = (35 x $\frac{2}{5} )^{2}$ = 14^2 = 196 m^2

3 0

2 years ago

6. An auto rental agency offers a rate of $60 per day plus $0.30 per mile. After a one-day rental, the bill was $93.60. How many

lisov135 [29]

Answer:

Step-by-step explanation:

You have to multiply 30 cents until you get to the total.

4 0

2 years ago

John should drive to his workplace and back to home. On the way to the workplace it was raining, so he drove at speed of 42mph.

nataly862011 [7]

Answer:

48 mph

Step-by-step explanation: Add 42mph and 54 mph and you get 96. To find the average of the two --- divide 96 by 2 and you get 48mph as the average speed for the entire trip.

3 0

2 years ago

PLEASE HELP WITH THIS QUESTION

Radda [10]

Answer:

The correct answer is Redbirds

P = 4/5 = 0.8

4 0

1 year ago