3 years ago

If y= -4x + 11 and 3x +y= 9, what is the value of y?

Mathematics

1 answer:

Radda [10]3 years ago

8 0

Use oppisites to answe. Work backwards

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The graph shows a probability distribution P(X)P(X) for a discrete random variable X.

andrey2020 [161]

So what are you asking lmao

5 0

3 years ago

PLZZ ANSWER THIS AS SOON AS POSSIBLE!!!!

alexandr402 [8]

Answer:

y = -9.3

if they are complementary it is 45 degrees

if they are supplementary it is 90 degrees

Step-by-step explanation:

-12.7 = y -3.4

-12.7 + 3.4 = y -3.4 + 3.4

-9.3 = y

complementary angles equal to 90 degrees

supplementary angles equal to 180 degrees

vertical angles have same degrees

so 90/2= 45

180/2 =90

3 0

3 years ago

Read 2 more answers

What are the steps to solve for: 1/5(x+5)=1/4(x-3)+1

andrew11 [14]

Step 1. Simplify $\frac{1}{5} (x+5)$ to $\frac{x+5}{5}$

$\frac{x+5}{5} = \frac{1}{4} (x-3)+1$

Step 2. Simplify $\frac{x+5}{5}$ to $1+ \frac{x}{5}$

$1+ \frac{x}{5} = \frac{1}{4} (x-3)+1$

Step 3. Simplify $\frac{1}{4} (x-3)$ to $\frac{x-3}{4}$

$1+ \frac{x}{5} = \frac{x-3}{4} +1$

Step 4. Cancel $1$ on both sides

$\frac{x}{5} = \frac{x-3}{4}$

Step 5. Multiply both sides by $20$ (the LCM of $5,4$ )

$4x=5(x-3)$

Step 6. Expand

$4x=5x-15$

Step 7. Subtract $5x$ from both sides

$4x-5x=-15$

Step 8. Simplify $4x-5x$ to $-x$

$-x=-15$

Step 9. Multiply both sides by $-1$

$x=15$

Done! :) Hope this helps! :)

3 0

3 years ago

Please help me with this surds question.

noname [10]

the answer is 0.2 or one fifths

3 0

3 years ago

A farmer sells 6.7 kilograms of apples and pears at the farmer's market. 1 4 of this weight is apples, and the rest is pears. Ho

Damm [24]

Answer:

1.9 Kilograms.

Step-by-step explanation: