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Eva8 [605]
3 years ago
6

The graph of the equation y=x^2-7 is symmetric with respect to which of the following?a.the line y=-x+7b.the y-axis c.the x axis

d.the line y=x
Mathematics
1 answer:
lys-0071 [83]3 years ago
5 0

Answer:

b

Step-by-step explanation:

since coefficient of x = 0

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Select all ratios equivalent to 15:5.<br> 9:3<br> 6:2<br> 3:1
natali 33 [55]

Answer:

All three.

Step-by-step explanation:

All three of these ratios are equivalent to 15:5. Here's how:

Let's look at the first ratio, 9:3. Did you notice something common? 3 x 3 = 9. 9/3 = 3. 5 x 3 = 15. 15/3 = 5. Both of these numbers are divisible by 3,  so these ratios are equivalent.

Second. 6:2. 2 x 3 = 6. 6/3 = 2. 5 x 3 = 15. 15/3 = 5. See the similarity? The same applies to the next problem, number three, although it does slightly differentiate.

Third, 3:1. See, here, since the ratio is smaller than the problem, we can't multiply, since this ratio is smaller than the original number. But, it's still the same thing. A ratio is a number that compares a value to another value. This means that 3:1 is 3 compared to one. Now, let me clarify. 15:5. 3:1. These are the exact same values, except they are just written in a different form, and simplified. Since 5 x 3 = 15, we know that we can divide 15 evenly by 5, which makes it 3, and divide 5 evenly by 5, which equals one. So here we have our answer for the third problem. 5:1.

Ratios are basically division, except simplified. Every single ratio problem works this way. Once you get the hang of it, it's immensely easy. Hope this helped!

6 0
3 years ago
triangle ABC has coordinates A(4, 1), B(2, 3), and C(7, 5). If the triangle is rotated 270° counterclockwise about the origin, w
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Coordinates of a' would be (1,-4)

4 0
3 years ago
Find the Value of a and b i dare u​
fenix001 [56]

Well it's a dare so I guess I'll do it.

3 0
3 years ago
Why is 20 to 40 is a 100% increase but 40 to 20 is a 50% decrease
murzikaleks [220]
Its because 20 is doubling its self. Its using 100% of its number, While 40 is decreasing by 50%. Half of forty is 20. Half equals 50%.
6 0
3 years ago
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inysia [295]

Answer:

C

Step-by-step explanation:

Pentagon

Hope this helps (:

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2 years ago
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