All categories

2 years ago

Please help me I will give brainliest y=-4 3x-5y=23

Mathematics

1 answer:

Blababa [14]2 years ago

6 0

Answer:

Step-by-step explanation:

3x-5(-4)=23 (1,-4)

3x+20=23

-20

3x=3/3

x=1

You might be interested in

A box contains 3 blue marbles, 5 red marbles, and 4 white marbles. If one marble is drawn at random, find P(not red Inot white).

xz_007 [3.2K]

Answer:

Step-by-step explanation:

p(b)=3/12 = 0.25

p(r)=5/12 = 0.42

p(w)=4/12 = 0.33

p(¬r) = 1-0.42 = 0.58

p(¬w)= 1-p(w) = 0.67

P(not red Inot white)= 0.58/0.67=0.87

5 0

3 years ago

Simplify fully<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B4x%5E%7B2%7D%20%2B4x%7D%7B2x%5E%7B2%7D%20-2%7D" id="TexFormula1"

Tatiana [17]

Answer:

$\frac{2x}{x-1}$

5 0

2 years ago

How many solutions does the given system of equations have?

svetoff [14.1K]

So your parent hasn't joined you on the Brainly express to Achievement-ville. We'll get them on board. Parents are busy people, but you can be the boss and remind them. Remind them how Brainly boosts you with expert knowledge. Remind them that tons of students already get grade upgrades with Brainly Plus. Remind your parent of the power they have to raise you to your full potential. We think they would agree. You deserve every education advantage.

8 0

3 years ago

X-(9x-10)+11=12x+3(-2x+ 1/3)

morpeh [17]

X - (9x - 10) + 11 = 12x + 3(-2x + $\frac{1}{3}$ ) equals x = $\frac{10}{7}$ .

First, simplify brackets. / Your problem should look like: x - 9x + 10 + 11 = 12x + 3(-2x + $\frac{1}{3}$ ).
Second, simplify x - 9x + 10 + 11 to -8x + 10 + 11. / Your problem should look like: -8x + 10 + 11 = 12x + 3(-2x + $\frac{1}{3}$ ).
Third, simplify -8x + 10 + 11 to -8x + 21. / Your problem should look like: -8x + 21 = 12x + 3(-2x + $\frac{1}{3}$ ).
Fourth, expand. / Your problem should look like: -8x + 21 = 12x - 6x + 1.
Fifth, simplify 12x - 6x + 1 to 6x + 1./ Your problem should look like: -8x + 21 = 6x + 1.
Sixth, add 8x to both sides. / Your problem should look like: 21 = 6x + 1 + 8x.
Seventh, simplify 6x + 1 + 8x to 14x + 1. / Your problem should look like: 21 = 14x + 1.
Eighth, subtract 1 from both sides. / Your problem should look like: 21 - 1 = 14x.
Ninth, simplify 21 - 1 to 20. / Your problem should look like: 20 = 14x.
Tenth, divide both sides by 14. / Your problem should look like: $\frac{20}{14}$ = x.
Eleventh, simplify $\frac{20}{14}$ to $\frac{ 10}{7}$ . / Your problem should look like: $\frac{10}{7}$ = x.
Twelfth, switch sides. / Your problem should look like: x = $\frac{10}{7}$ which is your answer.

8 0

3 years ago

Please help me! This is a full assignment I’m struggling on haha! Please answer each question and I’ll give Brainliest to whoeve

Marina86 [1]

Answer:

Step-by-step explanation:

3 0

2 years ago