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devlian [24]
3 years ago
15

Pls help will mark brainliest

Mathematics
1 answer:
Karolina [17]3 years ago
8 0

Answer:

9) (68 + 160)/2 = 114°

10) 80/2 = 40°

11) 105 x 2 = 210°

12) 80 x 2 = 160°

13) (360 - 180 - 108)/2 = 36°

14) (360 - 69 - 95)/2 = 98°

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What is the answer to this problem step by step (3+2)^2×7)-13+5^2?
Ainat [17]

Answer:

187

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

(3 + 2)² × 7 - 13 + 5²

<u>Step 2: Evaluate</u>

  1. (Parenthesis) Add:                     5² × 7 - 13 + 5²
  2. Exponents:                                 25 × 7 - 13 + 25
  3. Multiply:                                      175 - 13 + 25
  4. Subtract:                                     162 + 25
  5. Add:                                            187
5 0
3 years ago
21. 2n= 53 <br><br> Explanation of the division please, and how you got the answer
Ksju [112]

Answer:

2n= 53

and you divide both sides by 2

2n/2 =53/2

2 divided by 2 is 1 and 53 divided 2 is 26.5

n= 26.5

5 0
3 years ago
The graph of the system of two liner equations is shown. What is the solution to the system of questions? (0, -1) (4,7) (7,4) (8
Kisachek [45]

Answer:

tbujtbjtjbtujbtubjtjb

Step-by-step explanation:tbjtujbtujbtjbtujtujtubjtujbtuj

tubjt

5 0
3 years ago
What are some benefits of solving equations graphically? What are some limitations?
Tasya [4]

Answer:

The required benefits and limitations are shown below:

Step-by-step explanation:

Consider the provided statement.

We need to determine the benefits and limitation of solving equations graphically.

Benefits:

1) By solving an equation graphically we can visually determine the solution of the equation.

2) The graphs provide clues that words and equations don't.

3) It helps to interpret data and to draw conclusions about mathematical relationships.

Limitations:

1) The intersecting point is the solution for an equation, and the solution may not be accurate as some equation may have decimal solutions.

2) Some times student interpret graphs inaccurately.

3) Also some equations can be difficult to graph because of their slopes.

4 0
3 years ago
Nachelle went to the store to buy some almonds. The price per pound of the almonds is $6.50 per pound and she has a coupon for $
jarptica [38.1K]

Step-by-step explanation:

hope this will help you mark me as brinalist friend please

6 0
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