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blsea [12.9K]
3 years ago
14

Which ordered pair is a reflection of (3, 7) across the x-axis?

Mathematics
1 answer:
Rina8888 [55]3 years ago
6 0
(3,7) becomes (3,-7) when reflected across the x axis.
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10 POINTS!! Brainliest!<br> Find the volume of the prism. Round to the nearest tenth if necessary.
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Answer:

308 cm³

Step-by-step explanation:

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Here l = 11, b = 7 and h = 4, thus

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How many calcium ions are in 0.5 mol of CaCl2?
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3 years ago
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Lorico [155]
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6 0
3 years ago
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How do you do this?????
o-na [289]

y = 2x - 9

Step-by-step explanation:

Let's rewrite the given equation such that only y is on the left side and everything else on the right side:

3x + 6y = -30 \Rightarrow 6y = -3x - 30

Simplifying this by dividing by 6, we get

y = -\frac{1}{2}x - 5

This line has a slope of -1/2, which means that a line perpendicular to this has a slope of 2 (i.e., negative reciprocal). So we can write its equation as

y = 2x + b

This is the slope-intercept form of the equation of the line perpendicular to our given line. To complete this form, we need to find the value of b. Since this line passes through (1, -7), put these numbers into our equation to get

-7 = 2(1) + b \Rightarrow b = -9

Therefore, the slope-intercept form of the equation can be written as

y = 2x - 9

3 0
3 years ago
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frutty [35]

The first one does.


Hope this helps!

6 0
3 years ago
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