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ololo11 [35]
3 years ago
5

How to do this math problem?

SAT
1 answer:
scoundrel [369]3 years ago
5 0
Area of the bottom rectangle = 6 x 2 = 12 in²
Area of the left rectangle = 3 x 2 = 6 in²
Area of the right rectangle = 2 x 4 = 8 in²
Area of the front and back triangle = 2( 1/2 x 6 x 2) = 12 in²

Total Surface area = 12 + 6 + 8 + 12 = 38 in²

Answer: 38 in²
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Simplify (1+i / 1-i) + (1 -i/1+i)
zepelin [54]
 (1+i / 1-i)+ (1-i/ 1+i)
(1+i-i) + (1+i-i)
1+1
2
Answer: 2
5 0
3 years ago
What is the significance of evaluating a written text based on its properties.
Mice21 [21]

The significance of evaluating a text based on its properties is that; it helps us to comprehend better what the other person is trying to communicate.

<h3>What are the properties of a text?</h3>

The properties of a text are of four main types which are:

  • Organization
  • Coherence
  • Mechanics
  • Language.

Now, from all the properties listed above, the main reason why it is significant evaluate a written text based on its properties is that it helps to comprehend better what the other person is trying to communicate.

Read more about Evaluating Texts at;

brainly.com/question/18087758

4 0
2 years ago
In a theater, there are 15 chairs in the first row, each row has 3 more chairs than the previous row, and there are 15 rows. how
Nimfa-mama [501]

The 1st row has 15 chairs.

The 2nd row has 15 + 3 = 18 chairs.

The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.

The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.

The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.

If there are 15 rows, then the total number of chairs is

\displaystyle \sum_{n=1}^{15} (3n + 12) = 3 \sum_{n=1}^{15} n + 12 \sum_{n=1}^{15} 1 = 3\cdot\frac{15\cdot16}2 + 12\cdot15 = \boxed{540}

where we use the formulas

\displaystyle \sum_{n=1}^N 1 = N

\displaystyle \sum_{n=1}^N n = \frac{N(N+1)}2

5 0
3 years ago
How does the numbered list support the purpose of the text? it motivates runners to finish a 5k race in the fastest time possibl
allochka39001 [22]

The numbered list support the purpose of the text as It provides a schedule for runners to follow as they train for a 5K race.

<h3>What is a running schedule?</h3>

A running schedule is known to be a simple formula that is used for any great training in terms of plan.

It includes Training three days a week. Therefore, The numbered list support the purpose of the text as It provides a schedule for runners to follow as they train for a 5K race.

Learn more about training from

brainly.com/question/25110079

#SPJ1

4 0
3 years ago
There are roughly four Calories in a strawberry. How many science calories are in a strawberry?
Tema [17]

I believe 40 is the correct answer.

7 0
2 years ago
Read 2 more answers
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