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Fudgin [204]
3 years ago
5

By which angle measures can the square be rotated so it maps onto itself?

Mathematics
1 answer:
Amanda [17]3 years ago
3 0

The <em><u>correct answers</u></em> are:

90°, 180° and 270°

Explanation:

Squares have rotational symmetry at 90°.  This can be found by dividing the number of degrees in a circle, 360, by the number of sides, 4:

360/4 = 90

This means that at all multiples of 90, the square will rotate onto itself.  This means that 90, 180 and 270 are all correct.

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Can someone please answer this question please answer it correctly and please show work I need it please help me I need it
VMariaS [17]

Answer:

9. B, C, D

10. A, D, E

Step-by-step explanation:

9. A. Students who bring lunch do not represent cafeteria purchases.

B. - D. Are randomized.

10. A. 1/4 of 50 is 12.5. about equal to 12

B. 12% of 50 is 6. not equal to 12

C. 12 ÷ 50 = 24. 3,000 × 0.24 = 720. not less than 500

D. (see above work) 720 = 720

E. 3,000 - 720 = 2,280. more than 2,000

4 0
3 years ago
Is -5 a solution to the equation 6x+5=5x+8+2x
SVETLANKA909090 [29]
6x+5=5x+8+2x
Add 2x to 5x
6x+5=7x+8
Subtract 6x from both sides
5=x+8
Subtract 8 from both sides
Final Answer: -3=x

And so no, -5 is not the solution to this equation.
7 0
3 years ago
You have 275 square inches of wrapping paper. Do you have enough wrapping paper to wrap the gift box shown?
Zigmanuir [339]

The surface area of the box is bigger than the <em>surface area</em> of the available wrapping paper. <em>Thus, you don't have enough wrapping paper to wrap the gift box.</em>

The given parameters;

  • area of the wrapping paper available, A = 275 square inches
  • volume of the gift box, V = 343 in²

First, determine the length of each side of the box;

The length of each side is represented with x;

x³ = 343

x = \sqrt[3]{343} \\\\x = 7 \ inches

Second, find the surface area of the box;

surface area of the box, A = 6x²

A = 6(7)²

A = 294 in²

The surface area of the box is bigger than the <em>surface area</em> of the available wrapping paper. Thus, you don't have enough wrapping paper to wrap the gift box.

Learn more here: brainly.com/question/15908008

8 0
3 years ago
B^2-5b+3 for b=-3 plz help​
nika2105 [10]

Hey there!

b^2 - 5b + 3

= -3^2 - 5(-3) + 3

= -9 - (-15) + 3

= -9 + 15 + 3

= 6 + 3

= 9

Answer: 9

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

3 0
3 years ago
A spinner has 8 equal sectors with different letters for each sector, as shown below:
Novosadov [1.4K]

Answer: theoretically there’s about a 64% chance of it landing on R

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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