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77julia77 [94]
3 years ago
7

What the heck dose x =

Mathematics
1 answer:
kondor19780726 [428]3 years ago
5 0

X=12 because 12 times 12 equals 144 or 12 to the power of two equals 144

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40 POINTS!!!! Which sequence of transformations will result in an image that maps onto itself?
White raven [17]

Answer:

Option C.

Step-by-step explanation:

Let a point (x, y) has a sequence of transformations,

Option A).

Reflects across x-axis then the coordinates will be,

(x, y) → (x, -y)

Then reflects across the y-axis,

(x, -y) → (-x, -y)

Image (x, y) gets changed to (-x, -y) therefore, point (x, y) doesn't map onto itself.

Option B).

(x, y) rotate 90° counter clockwise about the origin.

(x, y) → (-y, x)

Then reflect across x-axis,

(-y, x) → (y, x)

Since coordinates of the image and the actual are not same therefore, image doesn't map itself.

Option C).

(x, y) when reflected across x-axis,

(x, y) → (x, -y)

Then reflected over the x-axis,

(x, -y) → (x, y)

In this option point (x, y) maps onto itself after these transformations.

Option D).

(x, y) rotated 90°counterclockwise about the origin

(x, y) → (-y, x)

Then translated up by 2 units.

(-y, x) → (-y, x+2)

Therefore, (x, y) gets changed after these transformations and doesn't maps itself.

Option (C) will be the answer.

7 0
3 years ago
Answer please if you can:))
MaRussiya [10]
I can’t see the exact numbers because the pic is blurry but here’s how to solve it.

The three angles in a triangle always add up to 180. So subtract the angle that’s given and you’ll have the sum of the two other angles. Since it’s an equilateral triangle, the other two angles are the same.
So write the equation 2(whatever the angle is) = the number you get when you do 180-the given angle

For example (I’m not sure these numbers are right because the pic is blurry)
2(9x+7)=114
Then you would solve for x and once you get x, plug it into the angle expression 9x+ 7 or whatever to get the angle measure.
5 0
2 years ago
Heather collects shells. The picture shows the 18 shells that she found on her family beach vacation. She wants to use all of
IRISSAK [1]
Answer:
D) 9 postcards with 2 shells each.

Explanation:
9 x 2 = 18
Therefore, 9 postcards with 2 shells each is the correct answer.

Please give brainliest.
6 0
3 years ago
Find 51* 49 USING MENTAL MATH'
Nesterboy [21]
I used mental math and it took a long time, but I got the answer of 2,499.
7 0
3 years ago
Read 2 more answers
Jennet graphs the inequality Negative 6 less-than x on the number line below.
netineya [11]

Answer: the graph is correct.

Step-by-step explanation:

8 0
3 years ago
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