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lys-0071 [83]
2 years ago
8

PLS HELP I AM TIMED 10 POINTS You are told that a triangle has two equal angles. What type of triangle could it be? Check all of

the boxes that apply. acute equilateral isosceles obtuse right scalene
Mathematics
1 answer:
riadik2000 [5.3K]2 years ago
4 0

Answer:

Obtuse, right, isoceles, acute

Step-by-step explanation:

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I need help on this if anyone don’t mind
Minchanka [31]

9514 1404 393

Answer:

  • 4
  • 16

Step-by-step explanation:

For this to have infinitely many solutions, the left side and right side must simplify to the same expression. The left side is already simplified, so we need to find the right numbers for the right side.

Coefficient of x:

  7x = __x + 3x

  4x = __x . . . . . . subtract 3x; next divide by x

  4 = __ . . . . . the required x-coefficient is 4

Constant term:

  -8 = 8 -__

  -16 = -__ . . . . . subtract 8

  16 = __ . . . . . . multiply by -1

__

The numbers that go in the boxes are 4 and 16.

7 0
3 years ago
Simplify this expression:<br> i ^257
Katarina [22]
Okay! 
What is i? 
i = <span>√(-1)

What is i^2? 
i^2 = </span>√(-1) * <span>√(-1) 

Note: Whenever you multiply two square roots with the same numbers you get this: 

</span><span>√(a^2)
</span>
Or in this case: 

√(-1 * -1) = -<span>√(1) = -1
</span>
So, 
i^2 = -1

What does i^3 equal? 
i^3 = √(-1) * √(-1) * √(-1) = 1 * √(-1) = <span>√(-1) which is... -i
</span>
What does i^4 equal? 
i^4 = √(-1) * √(-1) * √(-1) * √(-1) =  √(-1 * -1 * -1 * -1) = 1

After that the cycle does it thing and cycles back. 
So, with this information we can figure out what i^157 equals. 

Knowing long division here helps a lot!
Take 157 and divide it by 4 using long division. If you don't know it, I'll show you how to do it to the best of my abilities. (Refer to the picture. If you have any questions about it then ask. Even if the question is... what does this say?) 

After using long division we see that we get: 
39 with a remainder of 1. 

What that means is: 
(i^4)^39 is what we have. The remainder of 1 means that we have 1 i left. So our answer is i. 

The reason we divided by 4 and not some other term is because i^4 = 1, so it is easy to work with. In this case (i^4)^39 still just equals 1. Which leaves our remainder as our answer. 

So once again the final answer is: 
i

As for i^257. I'll show you the answer, but I won't give the work for this one. I'd recommend you try it out for yourself. 

i^257 = (i^4)^64 * i = i.

I hope that I helped, and if you have any further questions then ask away! 


8 0
3 years ago
Avery got 18 questions correct out of 30 on the last quiz. Write the score in decimal form.
s344n2d4d5 [400]

Answer:

0.6

Step-by-step explanation:

1. Since Avery got 18 out of 30 questions right, we can write that as a fraction of \frac{18}{30}.

2. \frac{18}{30}

3. \frac{18}{30} = \frac{3}{5}

4. \frac{3}{5}  = \frac{60}{100}

5. \frac{60}{100} = 0.6

3 0
2 years ago
Read 2 more answers
0.1m+8-12n when m=30 and n=1/4
Salsk061 [2.6K]

Answer:

8

Step-by-step explanation:

m=30      n=1/4

0.1*30+8-12*1/4

3+8-12*1/4

=3+8-3

=8

7 0
3 years ago
Read 2 more answers
Margo soccer coach brings a large bag of watermelon to practice.the mass of the bag with all the watermelon in it is 12 kg. How
nirvana33 [79]
6 watermelons, because each watermelon is 2 kg


4 0
2 years ago
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