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Sholpan [36]
3 years ago
12

Please help Asap, will give brainiest only if answer correctly with a good explanation

Mathematics
1 answer:
Bogdan [553]3 years ago
6 0

Answer:

D, or the last option.

Step-by-step explanation:

See how the rotation does not say whether it is Clockwise or Counterclockwise?

Now, what that means, is that it will, default, be CCW. I don't know why, but math teachers are like that.

Now, 80* and 10* add up to 90* (because they are both unmarked and going to the same direction).

So, 90* rotation CCW. Simple! Thus, the last option should be correct.

Hope this helps!

P.S. Stay Safe!

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Write the equation of a circle with a center at<br> (2, -9) and a radius of 7<br> Helpppp
siniylev [52]

Answer:

x^2+y^2+14y+36=0

Step-by-step explanation:

Given that,

Center = (2,-9)

Radius of the circle, r = 7

We need to find the equation of a circle with a center at  (2, -9) and a radius of 7. It can be given by :

(x-h)^2+(y-k)^2=r^2

Put h = 2, k = -9 and r = 7 So,

(x-2)^2+(y-(-9))^2=7^2\\\\x^2+4-4x+y^2+81+18y=49\\\\x^2+y^2+14y+85-49=0\\\\x^2+y^2+14y+36=0

Hence, this is the required solution.

5 0
3 years ago
What is the least number number of acute angles a triangle can have
goldfiish [28.3K]
The smallest number of acute angles a triangle can have is 2
8 0
3 years ago
Pleaseeeeeeeeee helppppppppp meeeeeeeeeee
Bogdan [553]

Answers:

  1. Function
  2. Not a function
  3. Function
  4. Not a function

========================================

Explanation:

If x repeats itself, then we don't have a function. For instance, relation 2 has the x value -4 show up twice. That input leads to multiple outputs which is why we don't have a function. Relation 4 is a similar story (this time the input 'u' shows up twice).

Relations 1 and 3 don't have this issue, so they are functions.

4 0
3 years ago
What is the slope of a line that is parallel to the line represented by the equation x – y = 8?
Zina [86]
Hi there!

Since the slope of a lime that is parallel is always the same, the answer is a. -1.

Since the slope of this equation is -1, the slope of any other parallel line is the same (or else the lines would intersect and not new parallel anymore).

Hope this helps!
5 0
4 years ago
Which ordred pair is in the solution set of 4x + 8y&gt;16 ?
ss7ja [257]

yes thats fab Step-by-step explanation:

The perimeter of a rectangle is 46 inches. If the width of the rectangle is 9 inches, what is the length?

A.  

23 inches

B.  

14 inches

C.  

28 inches

D.  

37 inches

Reset

6 0
3 years ago
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