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Nadusha1986 [10]
3 years ago
15

1. Use a protractor to try to draw each triangle. Which of these three triangles is impossible to

Mathematics
1 answer:
Rus_ich [418]3 years ago
4 0

answer:

C a triangle with one measures 90° and another angle measures 100°

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If ABC is reflected across the y-axis, what are the coordinates of A?
quester [9]

Answer:

The answer is option A

Step-by-step explanation:

Reflection in the y axis is

(x , y) → ( - x , y)

The coordinates of A are ( 2, -5)

When it's reflected in the y axis it becomes

( - 2 , - 5)

Hope this helps you

4 0
3 years ago
A ________ exists between two variables when the values of one variable are somehow associated with the values of the other vari
motikmotik
Correlation would be the correct answer
8 0
3 years ago
CAN SOMEONE HELP ME PLS!!!!!
ad-work [718]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
What is the property of 7/9 * 1 = 7/9
lidiya [134]

Answer:

Identity property of multiplication (multiplying a number by one will result in that number)

Step-by-step explanation:

5 0
3 years ago
Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2 1 inches. She p
Sauron [17]

The expression used for the length of ribbon that she needs for both pillows will be 4(2x^{2} +4x-6).

The total length of the pillow she needs will be  130 inches.

Given,

The side length of pillow is (2x^2 + 1) \ inches.

The side length of another pillow is 4x-7 \ inches.

We know that perimeter of square will be,

P=4\times length

So the perimeter of pillow will be,

P=4\times (2x^2+1)\\

P=8x^{2} +4

Similarly, the perimeter of another pillow will be,

P=4\times (4x-7)]

P=16x-28

Hence,the total length of ribbon that she needs for both the pillows will be,

8x^{2} +4+16x-28\\8x^{2} +16x-24\\4(2x^{2} +4x-6)

If x=3.5\\ then the total length of ribbon will be,

4(2\times 3.5^{2}+4\times 3.5-6)\\4(2\times 12.25+14-6)\\

4(24.5+8)

4\times 32.5\\

130 \ inches.

Thus the required expression will be 4(2x^{2} +4x-6) and the total length of ribbon she needs will be 130 inches.

So, the correct option will be (D).

For more details on perimeter of square follow the link:

brainly.com/question/5402168

7 0
3 years ago
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