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tresset_1 [31]
2 years ago
7

A bit confused to be honest :(

Mathematics
2 answers:
Luden [163]2 years ago
3 0
X = 110 degrees

Explanation: we know that the sum of all angle measures will have to equal 360 degrees . By using simple algebra (128+40+82+x = 360) we can determine 360-250=110 degrees

gogolik [260]2 years ago
3 0

Answer:

x = 110

Step-by-step explanation:

360 = 128 + 40 + 82 + x

360 = 250 + x

360-250 = x

110 = x

to know the total value of all sides

(n-2)×180 ÷ n

n= total of sides

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A team of seven workers started a job, which can be done in 11 days. On the morning of the fourth day, several people left the t
Lapatulllka [165]

Answer:

  • 3 people left

Step-by-step explanation:

  • The job can be completed by 7 people in 11 days
  • The job is equivalent of 7*11 = 77 people*days

<u>After 3 days, job left:</u>

  • (11 - 3)*7 =  56 people*days

This was completed by 7 - x people as x people left

<u>Time needed was 14 days, we have new equation:</u>

  • 14(7 - x) = 56
  • 7 - x = 4
  • x = 7 - 4
  • x = 3

As we found, 3 people left

6 0
2 years ago
Quadrilateral QRST is a square. If the measure of angle RQT is 3x - 6. Find the value of x.
trapecia [35]

Given that quadrilateral QRST is a square.

Each angle of a square is of 90 degrees.

Angle <RQT is also an angle of 90 degrees.

We also given angle RQT = 3x - 6.

So, we can setup an equation as 3x-6 =90.

Now, we need to solve the equation for x.

6 is being subtracted from left side.

We always apply reverse operation. Reverse operation of subtraction is addition.

So, adding 6 on both sides of the equation, we get

3x-6+6 =90+6.

3x = 96.

3 is being multipied with x, in order to remove that 3, we need to apply reverse operation of multiplication.

So, dividing both sides by 3.

\frac{3x}{3} = \frac{96}{3}

x=32 (final answer).

3 0
3 years ago
Lets see if this works, Help please and thank you!
expeople1 [14]

Answer:

Bro what is the question I need it

Step-by-step explanation:

Thank you

6 0
2 years ago
Which function is equivalent to y = x2 - 6x + 10?
valentina_108 [34]
Option D
I hope that is right
3 0
2 years ago
The expression 21m−49n factored using the GCF
rewona [7]
Here is my work for the problem. Hope this helps!

5 0
3 years ago
Read 2 more answers
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