Can anyone help me out with #7. It's proofing. The reasoning part is most confusing to me
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Related Questions
Which statements about the pattern are true?Rule: Multiply by 10 and then subtract 5.5, 45, 445, 4445, . . .Choose all answers that are correct.A.Every term has a 5 in the ones place.B.Every term is a multiple of 5.C.Every term has 1 more digit than the previous term.D.Every term is a multiple of 10.btw there are more then one
Simplify (x − 4)(x2+ 5x + 2). x3 + x2 − 18x − 8 x3 + x2 + 22x − 8 x3 + 9x2 − 18x − 8 x3 + 9x2 + 22x − 8
14. Harry needs to buy hamburgers and hot dogs for a picnic. He has only $41.00 to spend and must buy AT LEAST 98hamburgers or hot dogs. A store charges $.50 per hamburger and $0.25 per hot dog. Which of the following is apossible way Harry might buy the hamburgers and hot dogs?69 hamburgers and 28 hot dogs64 hamburgers and 35 hot dogs66 hamburgers and 33 hot dogs78 hamburgers and 20 hot dogs
the alabama river is 729 miles. if 1 mile equals 1.61 kilometers, find the length of the river to the nearest whole kilometer. (due tomorrow)
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The correct answer is:
Mbps, or megabits per second.
Explanation:
The standard measurement unit of data sent or received over the Internet is megabits per second. This means "millions of bits per second."
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cross multiply
5.25×100=8.5x
525/8.5=x
$61.76=x
Example: -1<?<3
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A<?<C
1<2<?
-1<?<-3
228 in.2
404 in.2
308 in.2
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The coordinates of vertex B′ are ____ .
The coordinates of vertex C′ are ____.
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Answer:
A'(1, 1); B'(3, 2); C'(1, 2)
Step-by-step explanation:
The original points are A(1,1 ), B(2, 3) and C(2, 1).
Reflecting the triangle across the x-axis will negate every y-coordinate; this maps
(1, 1)→(1, -1); (2, 3)→(2, -3); (2, 1)→(2, -1)
Rotating the figure 90° clockwise about the origin switches the x- and y-coordinates and negates the x-coordinate; this maps
(1, -1)→(-1 -1); (2, -3)→(-3, -2); (2, -1)→(-1, -2)
Reflecting across the line y=x will negate both the x- and y-coordinates; this maps
(-1, -1)→(1, 1); (-3, -2)→(3, 2); (-1, -2)→(1, 2)
Final answer:
To find the coordinates of ∆ABC after reflection across the x-axis, rotation by 90°, and reflection across y = x, we would apply these transformations to each point. Initially reflected across x-axis results in (x, -y), the 90° rotation gives (-y, x), and final reflection over y = x gives (x, -y). To find A′B′C′ we would need original coordinates, but general rule follows this pattern.
Explanation:
In this mathematics problem, we will find the coordinates for vertex A′, B′, and C′ of ∆A′B′C′. Given a triangle ∆ABC reflected across the x-axis, then rotated 90° clockwise about the origin, and finally reflected across the line y = x, we need the original coordinates of A, B, and C to find A′B′C′. However, if we take a generic point (x, y), we can assume the following:
- The reflection about the x-axis would turn it into (x, -y).
- The 90° clockwise rotation about the origin would give the new coordinates (-y, x).
- Finally, the reflection over the line y = x would change (-y, x) to (x, -y).
Assuming these transformations, we can find the final coordinates for A′, B′, and C′.
Learn more about Coordinate Transformations here:
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