2 years ago

Can someone help me? It's urgent and thank you!

Mathematics

1 answer:

devlian [24]2 years ago

7 0

Answer:

-4 and 5

Step-by-step explanation:

4*5 = x(x-1) ; cross multiply

20 = x²-x ; distribute multiplication over subtraction

x²-x-20 =0; subtract 20 from both sides

(x+4) (x-5) = 0; factor

x+4 =0 gives x = -4

x-5 =0 gives x = 5

You might be interested in

Solve for m k=mvsquared/2

Lerok [7]

Answer:

$m=\frac{2k}{v^{2} }$

Step-by-step explanation:

4 0

2 years ago

A jar contains three red marbles and five green marbles. A marble is drawn at random and not replaced. A second marble is then d

zvonat [6]

Answer:

P(red then green) = 5/8 * 3/7 = 15/56

Step-by-step explanation: Since this is a logical "and" case, we have to multiply the separate events' probabilities...thus P(red then green) = 5/8 * 3/7 = 15/56

6 0

3 years ago

Read 2 more answers

Please choose two answer whoever responds first i will mark brainliest

Reika [66]

Answer:

Green and Orange

Step-by-step explanation:

Green has 6 marbles in the bag and has the most marbles pulled (30), so that is one of the answers. Red and orange are tied with 5 marbles in the bag, but red only got pulled 19 times and orange got pulled 25 times. Therefore, your answers are green and orange.

6 0

3 years ago

Read 2 more answers

A cab charges $1.50 for the flat fee and $0.50 for each mile. Write and solve an inequality to determine how many miles Sharon c

Harlamova29_29 [7]

The correct answer is number 4

7 0

3 years ago

Amusement Park Buildings Part 1 There are two buildings that you want to have in the amusement park, but the size hasn’t been de

gavmur [86]

Tbh idk I’m just doing this so I can continue doing my homework and it’s making me answer this so umm but good luck

8 0

2 years ago

Read 2 more answers