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Talja [164]
4 years ago
12

HELP!! Adding and subtracting radicals

Mathematics
1 answer:
Law Incorporation [45]4 years ago
3 0
1. 8x^3y4 3<span>√xy - The first option
2. 6</span><span>√5 - The third option
3. 7 5</span><span>√x^2y - The third option
4. 3</span>√2x-6(3<span>√x) - The third option</span>
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Find the measure of Angle B<br><br> A. 50°<br> B. 55°<br> C. 60°<br> D. 65°
kondaur [170]

Option B. 55° is the correct answer

Step-by-step explanation:

"The sum of interior angles of a triangle is always 180°"

Given

m∠A=(3x+1)°

m∠B=(2x-1)°

m∠C = 40°

We know that

m∠A+m∠B+m∠C=180°

Putting the values of angles

(3x+1) +(2x-1) +40 = 180\\3x+1+2x-1+40 = 180\\5x+40=180\\

Subtracting 40 from both sides

5x+40-40=180-40\\5x=140

Dividing both sides by 5

\frac{5x}{5} = \frac{140}{5}\\x=28

We have to find Angle B,

So

m∠B = 2x-1 = 2(28)-1 = 56-1 = 55°

Hence,

m∠B=55°

Option B. 55° is the correct answer

Keywords: Triangle, Interior angles

Learn more about triangles at:

  • brainly.com/question/12896802
  • brainly.com/question/12973601

#learnwithBrainly

8 0
3 years ago
Determine which lines are parallel
ella [17]

Answer:

a and c i think.

Step-by-step explanation:

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3 years ago
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Which is a measure of the efficiency of an investment? A. return rate B. return on investment C. efficiency coefficient
Katen [24]

Answer:

\bold{Return \ Of \ Investment}

Step-by-step explanation:

Return Of Investment: <u><em>The performance used to evaluate the efficiency of an investment or compare the efficiency of a number of different investments. </em></u>

<u><em></em></u>

       It is a performance level used to compare the efficiency of one investment or more to several or just one more investments. They also evaluate the efficiency of one investment.

Return Of Investment (ROI) is very popular because it is simple, skilled and resourceful. If an investments ROI is net is positive, this tells them that it is worthwhile and has some use to it. If it is low, it lets people know that this is probably not the best solutions, and to not waste their time on something that won't work anyway.

\boxed{\bold{Mordancy}}

6 0
3 years ago
I need help with math if you don't know the answer get out of the question and don't answer it and give the wrong answer or some
zepelin [54]

Answer:

Number 4 is: A,E,F

Step-by-step explanation:

8 0
3 years ago
Help i need step by step explantion
Vadim26 [7]

Answer:

$ 5.94

28 + 7= 35

5.94 + 5.94 + 5.94 + 5.94 + 5.94 + 5.94 = 35.64

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