Ask question

Ask question

All categories

3 years ago

8

Please help me Solve this quadratic: 5x^2-20x+10=0

1 answer:

konstantin123 [22]3 years ago

3 0

I usually solve them like this:

You might be interested in

Can u solve this questions.i don't know what to do.

PilotLPTM [1.2K]

Answer:

8

Step-by-step explanation:

average is calculated as

average = $\frac{sum}{count}$

$\frac{sum}{2}$ = 13 ( multiply both sides by 2 )

sum of 2 eldest = 26

Then for the 4 children

average = $\frac{26+2+4}{4}$ = $\frac{32}{4}$ = 8

5 0

3 years ago

A tank can hold 300 cm^3 of water. How much would Tim have to pay If he has to fill 12 such tanks with water at 25 cents per cm^

katrin [286]

What class is this for?

8 0

3 years ago

Pleaseeeee help im horrible at math

Murljashka [212]

Answer:

The Answer is gonna be D. 2

This is the right Answer:3

I hope you are having a great day ❤️❤️❤️

3 0

3 years ago

Read 2 more answers

Which shows all the prime factors for 36? A.2 • 18 B.4 • 9 C.2 • 2 • 3 • 3 D.2 • 2 • 3 • 5

DENIUS [597]

36 = 2 x 2 x 3 x 3 (Answer C)

7 0

4 years ago

For a Saturday matinee, adult tickets cost $8.50 and kids under 12 pay only $7.00. If 80 tickets are sold for a total

jolli1 [7]

Answer:

30 adult tickets,
50 kids tickets

Step-by-step explanation:

<u>Given</u>

Cost of adult ticket = $8.50
Cost of kids ticket = $7.00
Number of tickets = 80
Total cost = $605

Let the adult ticket be a and kids be k

<u>We got equations</u>

a + k = 80
8.5a + 7k = 605

<u>From the first equation we get</u>

k = 80 -a

<u>Substituting k in the second equation</u>

8.5a + 7(80 - a) = 605
8.5a - 7a + 560= 605
1.5a = 45
a = 45/1.5
a = 30

<u>Then finding k</u>

k = 80 - 30 = 50

8 0

4 years ago