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elena55 [62]
3 years ago
8

Convert the point-slope form to slope-intercept form y– 4 = -3(x + 2)

Mathematics
1 answer:
artcher [175]3 years ago
4 0

Answer:

y = -3x - 2.

Step-by-step explanation:

y - 4 =  -3(x + 2)

y - 4 = -3x - 6

y = -3x - 6 + 4

y = -3x - 2.

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Is the answer 24 or 80 please I don't know explain with steps nad explanations pls
Savatey [412]

Answer:

≈ 8.9

Step-by-step explanation:

Assuming you are requiring the length of the unknown side

let the side ( hypotenuse ) be x

Using Pythagoras' identity

The square on the hypotenuse ie equal to the sum of the squares on the other 2 sides, that is

x² = 4² + 8² = 16 + 64 = 80 ( take square root of both sides )

x = \sqrt{80} ≈ 8.9 ( to 1 dec. place )

4 0
3 years ago
Read 2 more answers
Solve by completing the square. x^2 + 4x – 1= 0
NNADVOKAT [17]

Answer:

x = -2 ± sqrt(5)

Step-by-step explanation:

x^2 + 4x – 1= 0

Add 1 to each side

x^2 + 4x – 1+1= 0+1

x^2 +4x = 1

Take the coefficient of x

4

Divide by 2

4/2 =2

Square it

2^2=4

Add it to each side

x^2 +4x+4=1+4

(x+2)^2 = 5

Take the square root of each side

sqrt((x+2)^2 )=± sqrt(5)

x+2 = ± sqrt(5)

Subtract 2 from each side

x+2-2 = -2 ± sqrt(5)

x = -2 ± sqrt(5)

8 0
3 years ago
Michael keeps track of how much time he uses his
Valentin [98]

Answer:

we have to see the table

Step-by-step explanation:

say that y is the calculated time

and x is the weeks

4 0
3 years ago
In the figure, AB∥CD. Find x and y.
velikii [3]

Answer:

y=131°

x=53°

Step-by-step explanation:

∠ ABD and ∠ BDC are supplementary.

The sum of the supplementary angles =180 °

thus y-4+x=180...........i

x and 37° are complementary, that  is, they add up to 90°

Thus, x=90-37=53°

Using this value in equation 1 we obtain:

y-4°+53° =180°

y= 180°-53°+4°

y=131°

8 0
3 years ago
Read 2 more answers
Select the two binomials that are factors of this trinomial.
mojhsa [17]

To split this trinomial into two binomials, let's try and find two numbers which add to 6 and multiply to 8. To do this, we can list all the factors of 8 and then choose which factors also add to 6.

Factors of 8: (1, 8), (2, 4)


1 + 8 = 9, meaning that 1 and 8 are not the factors we are looking for. However, 2 and 4 do add to 6. By combining these numbers which an x (so that we can produce the x^2 term at the front of the trinomial), we find the binomials:

x+ 2 and x + 4


The answer is x + 2 and x + 4.

5 0
3 years ago
Read 2 more answers
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