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prisoha [69]
3 years ago
5

Point A located at -11 and -7 on the coordinate plan is reflected over the X axis to form point B.Then point B is reflected over

the y axis to form point C. What are
the coordinates of points B and C
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

<em>The coordinates of B are (-11,7)</em>

<em>The coordinates of C are (11,7)</em>

Step-by-step explanation:

<u>Reflection of Points</u>

Given a point (x,y), it can be reflected in several ways. Two of the most-used are reflection over the x-axis and reflection over the y-axis.

When the point is reflected over the x-axis, the x-coordinate is unchanged, and the y-coordinate is inverted: (x,y) -> (x,-y).

When the point is reflected over the y-axis, the y-coordinate is unchanged, and the x-coordinate is inverted: (x,y) -> (-x,y).

Point A is located at (-11,-7). It's reflected over the x-axis to form point B whose coordinates are (-11,7).

Then, point B is reflected over the y-axis to form point C with coordinates (11,7).

The coordinates of B are (-11,7)

The coordinates of C are (11,7)

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Elena L [17]

Answer:

area \: of \: a \: square =  {x}^{2}  \\ here \:  {x}^{2}  = 50 \\ x =  \sqrt{50}   =  \sqrt{2 \times 25}  = 5 \sqrt{2}  \\ one \: side = 5 \sqrt{2} yard

8 0
3 years ago
The perimeter of this rectangle is 24cm. If the length is 8 cm, what is the height?
Gemiola [76]

Answer:

4

Step-by-step explanation:

P = s+s+s+s

length = 8

8x2=16

24-16=8

8 / 2 = 4

3 0
3 years ago
Read 2 more answers
An equation is shown below. 12 – 6(w – 3) = 3(– 5 – 3w) + 21 Enter the solution of w for this equation.
gogolik [260]
<span>Simplifying
12 + -6(w + -3) = 3(-5 + -3w) + 21

Reorder the terms:
12 + -6(-3 + w) = 3(-5 + -3w) + 21
12 + (-3 * -6 + w * -6) = 3(-5 + -3w) + 21
12 + (18 + -6w) = 3(-5 + -3w) + 21

Combine like terms: 12 + 18 = 30
30 + -6w = 3(-5 + -3w) + 21
30 + -6w = (-5 * 3 + -3w * 3) + 21
30 + -6w = (-15 + -9w) + 21

Reorder the terms:
30 + -6w = -15 + 21 + -9w

Combine like terms: -15 + 21 = 6
30 + -6w = 6 + -9w

Solving
30 + -6w = 6 + -9w

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '9w' to each side of the equation.
30 + -6w + 9w = 6 + -9w + 9w

Combine like terms: -6w + 9w = 3w
30 + 3w = 6 + -9w + 9w

Combine like terms: -9w + 9w = 0
30 + 3w = 6 + 0
30 + 3w = 6

Add '-30' to each side of the equation.
30 + -30 + 3w = 6 + -30

Combine like terms: 30 + -30 = 0
0 + 3w = 6 + -30
3w = 6 + -30

Combine like terms: 6 + -30 = -24
3w = -24

Divide each side by '3'.
w = -8

Simplifying
w = -8</span>
5 0
3 years ago
Help me with this please!!!
Mademuasel [1]

Answer:

100°

Step-by-step explanation:

360 degrees around a point.

140 + 120 = 260

360 - 260 = 100

5 0
3 years ago
What is the value of x in the equation 4(2x + 12) = 0? (1 point) Group of answer choices −8 −6 6 8
Naya [18.7K]

Answer:

Step-by-step explanation:

4(2x+12)=0 work the () first

8x+48=0 subtract 48 to both sides to get the x by itself

8x=-48  divide by 8

x= -6

5 0
3 years ago
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