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inn [45]
2 years ago
8

12 POINTS! HELP ASAP!!

Mathematics
1 answer:
Aleks [24]2 years ago
6 0

Answer:

(2,-4)

Step-by-step explanation:

When a point (x,y) is reflected across the y-axis, you need to change the sign of x. For example, if (-x,y) you need to take away the negative sign, which makes (x,y). Or, if the point is (x,y), you need to add a negative sign to the x, which makes (-x,y). So, if your point (-2, -4) is reflected across the y-axis, you need to take the negative sign off the -2, which makes (2,-4).

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Given f(x)=x2, g(x)=x+6, h(x)=7 find f{g[h(x)]}.
gogolik [260]

Answer:

169

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Ivenika [448]
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storchak [24]

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Kristin spent $120 on shirts. Dress shirts cost $40 and t-shirts cost $8. If she bought a total of 7 shirts, then how many of ea
FinnZ [79.3K]

Answer:

The correct answer is: She bought 2 dress shirts and 5 t-shirts

Step-by-step explanation:

Let's marked dress shirts with x and t-shirts with y.

Now we will make equations to solve this problem:

x + y = 7  =>  y = 7 - x

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When we replace y = (7 - x) in the previous equation we get:

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32 x = 64  => x = 64/32 = 2 => x = 2

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God with you!!!

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