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laila [671]
3 years ago
10

Which one is correct

Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0
Yellow yellow yellow
Olegator [25]3 years ago
5 0

Answer:

15

Step-by-step explanation:

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Answer is D
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3 years ago
You place a billiard cue against a billiard table. The foot of the billiard cue is 15 cm away from a table and the top of the bi
irinina [24]

Answer:

It would be 4

Step-by-step explanation:

When dealing with slope its always going to be rise over run, so 60/15 is 4

Hope this helps :)

8 0
3 years ago
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Use the distributive property.<br> 4(5x + 3y - 7) = 20x + 12y + [?]
katen-ka-za [31]

Answer:

- 28

Step-by-step explanation:

4(5x + 3y - 7) ← multiply each term in the parenthesis by 4

= 20x + 12y - 28

6 0
2 years ago
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Write an equation in slope-intercept form of a line that contains points (2-4)<br> and (5,8)
Svetllana [295]

Answer:

y = 4x - 12

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

8 0
3 years ago
Solving Quadratic Equations using the Square Root Property
Afina-wow [57]

Answer:

x = -2   or   x = -5

Step-by-step explanation:

You need to complete the square before you can take the square root of both sides.

x^2 + 7x + 10 = 0

Subtract 10 from both sides.

x^2 + 7x = -10

To complete the square, you need to add the square of half of the x-term coefficient to both sides.

The x-term coefficient is 7. Half of that is 7/2. Square it to get 49/4. Now we add 49/4 to both sides of the equation.

x^2 + 7x + \dfrac{49}{4} = -10 + \dfrac{49}{4}

(x + \dfrac{7}{2})^2 = -\dfrac{40}{4} + \dfrac{49}{4}

(x + \dfrac{7}{2})^2 = \dfrac{9}{4}

Now we use the square root property, if

x^2 = k, then

x = \pm \sqrt{k}

x + \dfrac{7}{2} = \pm \sqrt{\dfrac{9}{4}}

x + \dfrac{7}{2} = \pm \dfrac{3}{2}

x + \dfrac{7}{2} = \dfrac{3}{2}   or   x + \dfrac{7}{2} = -\dfrac{3}{2}

x = -\dfrac{4}{2}   or   x = -\dfrac{10}{2}

x = -2   or   x = -5

5 0
3 years ago
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