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Schach [20]
3 years ago
12

Triangles DEF and D'E'F' are shown on the coordinate plane below:

Mathematics
2 answers:
givi [52]3 years ago
8 0

Answer:

90° clockwise

Step-by-step explanation:

Lorico [155]3 years ago
5 0

The <em><u>correct answer</u></em> is:

90° clockwise

Explanation:

Comparing the image points to the pre-image points, we can see that in every ordered pair, x and y have been switched and x has been negated.  Algebraically, this means (x, y)→(y, -x).

This is the same mapping that a 90° clockwise rotation performs, so that is our answer.

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Please answer! I’ll give you Brainliest
Sergio [31]

A)

The four small squares are all 3x3, so the perimeter is 3+3+3+3 = 12.

12 * 4 = 48

We can find the perimeter of the large diamond shape using the Pythagorean theorem, a^2 + b^2 = c^2

a = 4

b = 4

4^2 + 4^2 = c^2

16 + 16 = c^2

32 = c^2

c = 5.65685425

So the perimeter of the large diamond shape is

5.65685425+5.65685425+5.65685425+5.65685425 = 22.627417

48+22.6 = 70.6

B)

The areas of the small squares are 3x3 = 9

9 * 4 = 36

The area of the large diamond shape is

5.65685425 * 5.65685425 = 32

36 + 32 = 68

4 0
2 years ago
Lionel plays trumpet for a minimum of 45 minutes on the days that he practices. If x is the number of days that Lionel practices
Lemur [1.5K]

Answer:

y<u>></u>0.75x

Step-by-step explanation:

4 0
3 years ago
A Ms. Carter cut 1,874 strips of paper for a craft project she is doing with a group of students. If there are 8 students in the
Mars2501 [29]

Answer:

We are multiplying.

Step-by-step explanation:

Edge

6 0
2 years ago
Aisha is a sales clerk at Macy's. She paid $8.00 per hour plus a commission of 4% on all sales. Assuming Aisha works 39 hours an
steposvetlana [31]

Answer:

Aisha gross pay equals $472

Step-by-step explanation:

If Aishat is paid $8.00 per hour, then for 39 hours, she will get

39 × 8 = $312

She gets 4% commission on all sales. If her sale is $4000, the her commission will be

4000 × 4/100

= $160

Then her total gross income will be $312 + $160 = $472

6 0
3 years ago
Solve the inequality x^2-4x-7&lt;0
ANEK [815]

Answer:

Inequality Form:

2 − √ 11 < x < 2 + √ 11

Interval Notation:

( 2 − √ 11 , 2 + √ 11 )

Step-by-step explanation:

Solve the inequality for  x  by finding  a ,  b , and  c  of the quadratic then applying the quadratic formula.

8 0
3 years ago
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