3 years ago

Select the two values of x that are roots of this equation.

Mathematics

1 answer:

PtichkaEL [24]3 years ago

3 0

D because it make sense

You might be interested in

How many times 9 go into 20

Genrish500 [490]

$20:9=\dfrac{20}{9}=\dfrac{18+2}{9}=\dfrac{18}{9}+\dfrac{2}{9}=2\dfrac{2}{9}$

Answer: 2 times.

8 0

3 years ago

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius of centimeters. what

Kobotan [32]

I hope this helps you

volume of sphere =4/3.pi.r^3

6 0

3 years ago

Part A: Abe rented a bike at $36 for 5 days. If he rents the same bike for 8 days, he has to pay a total rent of $48. Write an e

worty [1.4K]

y=4 x +(1.6 X 10)

y=4x +16

x=0 y=0+16 (0,16)

x=1 y=4 +16 (1,20) first day it cost $20

x=2 y=8+16 (2,24) second day it cost $24

x=3 y=12+16 (3, 28) third day it cost $28

plot (0,16) , (1,20), (2,24), (3, 28)

i hope this help

7 0

3 years ago

PLEASE HELP ME OUT!!!

DedPeter [7]

Answer:

20/3 or 6.67 or 6 $\frac{2}{3}$ (any of these are correct)

Step-by-step explanation:

Volume of triangular pyramid formula is V = 1/3 * base area * height

V = 1/3 * 5 * 4 = 20/3

20/3 or 6.67 or 6 $\frac{2}{3}$

4 0

2 years ago

The archway to the entrance of an art gallery can be model by y= -1/3(x-5)(x+5) where x and y are measured in feet. The x-axis r

NikAS [45]

Answer:

x=5 feet

Step-by-step explanation:

At floor level y=0

If the expression is:

$0=1/3(x-5)(x+5)\\0=1/3(x^2-25)\\0=1/3x^2-25/3\\25/3=1/3x^2\\25=x^2\\x=5$

But, with the negative sign, the answer is x= 5i (where i is imaginary)

3 0

3 years ago