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lisov135 [29]
3 years ago
10

What is the equation of the line that contains the point (-5, -1) and has a slope of 4? Write in slope-intercept form.

Mathematics
2 answers:
boyakko [2]3 years ago
8 0

Answer:

B.y = 4x+19

Step-by-step explanation:

We are given a point and a slope, we can write the equation in point slope form

y-y1 = m (x-x1)

y--1 = 4(x--5)

y+1 = 4(x+5)

We want the equation in slope intercept form(y=mx+b)

Distribute

y+1 =4x+20

Subtract 1 from each side

y+1-1 = 4x+20-1

y = 4x+19

Zarrin [17]3 years ago
3 0

\huge{\boxed{\text{B.}\ y=4x+19}}

Point-slope form is y-y_1=m(x-x_1), where m is the slope and (x_1, y_1) is a point on the line.

Substitute the values. y-(-1)=4(x-(-5))

Simplify the negative subtraction. y+1=4(x+5)

Distribute the 4. y+1=4x+20

Subtract 1 on both sides. \boxed{y=4x+19}

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Which best estimate of the sum of 5 1/5 and 8 5/6
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Answer:

14 1/30

Step-by-step explanation:

convert the fractions so that the LCF is the denominator

1/5---->6/30

5/6----->25/30

5 6/30+8 25/30

13 31/30

14 1/30

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2 years ago
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B

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2 years ago
Two identical jars are filled with mixtures of water and vinegar in the ratio of 2 to 1 and 3 to 1 respectively. If both jars ar
MaRussiya [10]

Answer:

17:7

Step-by-step explanation:

The first jar is 2/3 water, and the second jar is 3/4 water.  Since the jars are equal volume, the resulting mixture will be the average.

(2/3 + 3/4) / 2

(8/12 + 9/12) / 2

(17/12) / 2

17/24

If the jar is divided into 24 parts, 17 parts are water, and the remaining 7 parts are vinegar.  So the ratio is 17:7.

7 0
2 years ago
Algebra elimination- 13x+8y=-2 and 2x+y=-1
Darya [45]

Answer:

x=-6/29

y=-17/29

Step-by-step explanation:

we have the system of equations

-13x+8y=-2  ------> equation 1

2x+y=-1 ------> equation 2

Solve by elimination

step 1

Multiply equation 2 by -8 on both sides

-8[2x+y=-1 ] ---------> -16x-8y=8 ------> equation 3

step 2

Adds equation 1 and equation 3

-13x+8y=-2

-16x-8y=8

-----------------

-29x=6

x=-6/29

Find out the value of y

substitute the value of x in any equation

2x+y=-1

2(-6/29)+y=-1

-12/29+y=-1

y=-1+(12/29)

y=-17/29

therefore

The answer is

x=-6/29

y=-17/29

8 0
2 years ago
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