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Lemur [1.5K]
2 years ago
12

14.) Write an equation of a line with the given slope and y-intercept.

Mathematics
1 answer:
melomori [17]2 years ago
4 0

Answer:

y= x +4

Step-by-step explanation:

m = slope and b= y-intercept.

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Can someone please let answer day 17???
erik [133]

Answer:

16

Step-by-step explanation:

16 - 10 =4

4/2=2

2*2=

<h2>8</h2>
6 0
3 years ago
Help? Find the standard form of the equation of the parabola with a focus at (0, -9) and a directrix y = 9.
madreJ [45]
You plot the point of the focus and the directrix on the graph to determine where the parabola opens.
We are provided the general forms of parabola according to its opening if:
it opens upward: (x - h)<span>² = 4a(y - k)
</span>it opens downward: (x - h)<span>² = -4a(y - k)
where "h" and "k" are the coordinates of the vertex, and "a" is the focal length from the focus to the vertex.

As you plot, the directrix y = 9 is a horizontal line, and the focus at (0,-9) is below that directrix. So, it means that the parabola opens downward (and not upward because the parabola must not touch to the directrix).</span> Next, identity the vertex (h,k). Note that the vertex is the midpoint between the focus and the point of the directrix. So the vertex is (0,0). Then, the focal length "a" is 9.
Hence, the equation is
(x - 0)<span>² = -4(9)(y - 0)
x</span><span>² = -36y</span>


7 0
3 years ago
Read 2 more answers
Kate walks a half a mile to the library how many miles did she walke
MA_775_DIABLO [31]
<span>This is how we will be adding fractions using fraction strips. 1 , 3 .... Did Kate and Ben eat ... Then she of the pie is left? eats 3 more wedges. How much of the. 1 orange did Jody eat? ... Jeremy walked ; of the way to school .... (in miles). 5 Library 9. + mile º. 1 ſ | School TÜ. 11. If Guy walks from his house to school and Store #.</span><span>
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6 0
3 years ago
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Find the length of LM if L is the midpoint of NM. NL = 3x + 1, LM = 8x - 24.
SashulF [63]

Answer:

LM = 16

Step-by-step explanation:

From the question given:

L is the midpoint of NM

NL = 3x + 1

LM = 8x - 24

LM =?

Next, we shall determine the value of x.

This can be obtained as follow:

Since L is the midpoint of NM, it means that NL and LM are equal i.e

NL = LM

Thus, we can obtain the value of x as follow:

NL = 3x + 1

LM = 8x - 24

NL = LM

3x + 1 = 8x - 24

Collect like terms

3x - 8x = - 24 - 1

-5x = - 25

Divide both side by - 5

x = -25/-5

x = 5

Finally, we shall determine the length of LM as follow:

LM = 8x - 24

x = 5

LM = 8(5) - 24

LM = 40 - 24

LM = 16

Therefore, the length of LM is 16

8 0
3 years ago
What is the x for x - 8 = -5
nika2105 [10]

Answer:

3

Step-by-step explanation:

add 8 to both sides then x=3

5 0
3 years ago
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