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3 years ago

Y=3x-1 identify the slope and y-intercerpt

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

7 0

Answer: The slope is 3 and the y-intercept is -1

Step-by-step explanation: This is right bro. 100%

vova2212 [387]3 years ago

6 0

Answer:

Step-by-step explanation:

y = 3x - 1

whatever is in front of the x is the slope. It has to be a number of some kind. I don't think complex numbers count, but don't quote me on that.

The y intercept is the number on the right that is not associated with x. In this case it is - 1.

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How are the solutions to the inequality -3x>18 different from the solutions to -3x>18 ?

Novay_Z [31]

Answer:

x < -6

Step-by-step explanation:

-3x > 18

Divide both sides by -3

-3x/-3 < 18/-3

Note : in inequalities when both sides are divided by negative or minus, the inequality sign changes.

Therefore

x < -6

There's no difference as the equations are the same

I hope this was helpful, please rate as brainliest

3 0

3 years ago

If 25 gallons of gasoline has been used after driving 700 miles,how many gallons of gasoline would be used after driving 1,000 m

joja [24]

35 ( I’ve done this question before, this is the right answer ! )

4 0

3 years ago

Rajan needs 1 liter of 15% hydrochloric acid solution for an experiment. He checks his storage cabinet, but he only has a 5-lite

Delvig [45]

Answer:

0.75 liters of 5% hydrochloric acid solution
0.25 liters of 45% hydrochloric acid solution.

Step-by-step explanation:

Let us assume that, x liters of the 5% hydrochloric acid and y liters of the 45% hydrochloric acid solutions are combined.

As Rajan need total of 1 liter of solution, so

$x+y=1$

i.e $x=1-y$ --------------------1

As Rajan needs 5% hydrochloric acid and 45% hydrochloric acid to make a 1 liter batch of 15% hydrochloric acid, hence acid content of the mixture of two acids will be same as of the final one, so

$0.05x+0.45y=1\times 0.15$

i.e $5x+45y=15$ -------------2

Putting value of x from equation 1 in equation 2,

$\Rightarrow 5(1-y)+45y=15$

$\Rightarrow 5-5y+45y=15$

$\Rightarrow 5+40y=15$

$\Rightarrow 40y=15-5=10$

$\Rightarrow y=0.25$

Putting the value of y in equation 1,

$x=1-0.25=0.75$

Therefore, Rajan must use 0.75 liters of 5% hydrochloric acid solution and 0.25 liters of 45% hydrochloric acid solution.

4 0

3 years ago

5 1/4 of what number is 42

amid [387]

Answer:

Step-by-step explanation:

5 1/4 =5.25

42/5.25 = 8

8×5.25 = 42

4 0

3 years ago

Read 2 more answers

1 point

kap26 [50]

Each side of the board would have to be at least 36

7 0

2 years ago