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Gre4nikov [31]
3 years ago
9

Calcular el perímetro de una cancha cuyos lados mide 15×20​

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

Answer: el perímetro es 300

Step-by-step explanation:

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Check if the following equality is true for all values of variables: (a–3c)(4c+2a)+3c(a+3c)=(2a–c)(3c+5a)–8a^2
BabaBlast [244]

Answer:

True for all values of a, b and c.

Step-by-step explanation:

(a–3c)(4c+2a)+3c(a+3c)=(2a–c)(3c+5a)–8a^2

Left side:

(a–3c)(4c+2a)+3c(a+3c)

= 4ac + 2a^2 - 12c^2 - 6ac + 3ac + 9c^2

= 2a^2 + ac - 3c^2

Right side:

(2a–c)(3c+5a)–8a^2

= 6ac + 10a^2 - 3c^2 - 5ac  - 8a^2

= 2a^2  + ac  - 3c^2.

So we see that the left side is identical to the  right side  so it is true for all values of the variables.

3 0
3 years ago
The opposite number of -6.1
Anni [7]

Answer:

I'm pretty sure that would be 6.1 - considering negative numbers and positive numbers are opposites.

3 0
3 years ago
Alissa emptied her piggy bank for disney world. She had $7.70. if she had 10 pennies, twice as many times as quarters, and 1/2 a
Tju [1.3M]

Answer:

She has 20 quarters.

Step-by-step explanation:

Alissa emptied her piggy bank for Disney world. She had $7.70.

If she had 10 pennies and twice as many times as quarters, then we can write the equation as

Q = 2P {Where, Q represents the number of quarters and P for pennies}

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So, she has 20 quarters.

Therefore, she has 20 quarters. (Answer)

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a company charges $6 to make a pattern for an order of T-shirts and $11 for each T-shirts it produces from the pattern. the expr
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You would have to do 11 plus 6 multiplied by 5 to find the amount of money needed to find the total cost of 5 T-shirts
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3 years ago
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Answer:

32

Step-by-step explanation:

0.5x = 16

divide 0.5 from both sides to get variable by itself since it is the inverse operation of 0.5x

x=32

6 0
3 years ago
Read 2 more answers
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