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Paha777 [63]
3 years ago
11

Solve for the missing angles / show your work! Help pls!

Mathematics
1 answer:
Alenkasestr [34]3 years ago
3 0

Answer:

sum=(n-2)*180

sum=(4-2)*180

sum=2*180

sum=360º

if T=K, T=100º

360-(100+100+20)=E

E=360-220

E=140º

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you are a school photographer taking individual and class pictures for 2 classes of 21 students each on average each individual
uysha [10]
  1. Answer: Approximately 146 minutes (or if you need the simplified version the answer is 2 hours and 26 minutes).  Step-by-step explanation: Step 1. Two classes of 21 students. To calculate that you would multiply 21 by 2. 21*2=42 Step 2. So now we know you need 42 individual pictures. If they each take 3 minutes to take you need to multiply 42 by 3. 42*3=126. So now you know it’ll take 126 minutes to take all the individual pictures. Step 3. Now, there are 2 classes of people and it takes 10 minutes to take each class picture. So do calculate that you need to multiply 10 by 2. 10*2=20. So it’ll take 20 minutes to take both class pictures. Step 4. Now we know it’ll take 126 minutes to take all the individual photos and 20 minutes to take the class photos. Now to calculate the total amount of time it’ll take to take all the photos you need to add 20 to 126.  126+20=146. So, it’ll take 146 minutes to take all the photos. Step 5. (You can skip this step if no simplification is needed in your problem) So, we all know there is 60 minutes in an hour so we’ll divide 146 by 60. 146/60=2.43. So, now we know it’ll take 2.43 hours to take all the photos. 2.43 hours is 2 hours and 26 minutes.  I hope this helps!
4 0
3 years ago
Which of the following is one of the disadvantages of geothermal energy? *
S_A_V [24]

Answer:

None of above

Step-by-step explanation:

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6 0
2 years ago
Analyze The Diagram Below And Answer The Question That Follows (15x+10) (8x+1) What is the value of x A 5 B 8 C 10 D 15​
Anettt [7]

<u>Given</u>:

The measure of angle EFG is m\angle EFG=(8x+1)^{\circ}

The measure of arc GE is m\widehat{(GE})=(15+10)^{\circ}

We need to determine the value of x.

<u>Value of x:</u>

The value of x can be determined using the inscribed angle theorem.

Thus, we have;

\angle EFG=\frac{1}{2}(\widehat{GE})

Substituting the values, we have,

   8x+1=\frac{1}{2}(15x+10)

2(8x+1)=1(15x+10)

  16x+2=15x+10

     x+2=10

           x=8

Hence, the value of x is 8.

Therefore, Option B is the correct answer.

7 0
3 years ago
The length of a rectangle is 8 more than the width. The area is 105 square centimeters. Find the length and width of the rectang
sashaice [31]

Answer:

Width =  7 cm

Length = 15 cm

Step-by-step explanation:

Let width = w

Length = w + 8

Area of rectangle = 105 sq. cm

length * breadth = 105

(w + 8)*w = 105

Use distributive property

w² + 8w = 105

w² + 8w - 105 = 0

Sum = 8

Product = -105

Factors = 15 , -7   {15 +(-7) = 8 & 15*(-7) = -105}

w² - 7m + 15m - 105 = 0

w(w - 7) + 15(m - 7) = 0

(w - 7)(w + 15) = 0

Ignore w + 15= 0 as measurements will not be in negative value

w - 7 = 0

w = 7

Width = 7 cm

Length = 7 + 8 = 15 cm

8 0
3 years ago
Walt wants to install fencing around the outer perimeter of the patio without blocking the entrance. How much fencing does Walt
Rama09 [41]
Do you have any measurements?
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