2 years ago

What is the perimeter of the figure shown above? a. 10 cm c. 15 cm b. 20 cm d. 19 cm

Mathematics

1 answer:

nika2105 [10]2 years ago

3 0

Answer:

c,15

Step-by-step explanation:

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Hii! I need some help, would anyone mind helping me?

Kisachek [45]

Step-by-step explanation:

${x}^{2} - 14x - 25 {y}^{2} + 100y = 76$

Factor by grouping,

$( {x}^{2} - 14x) - (25 {y}^{2} - 100y) = 76$

Complete the square, with the x variables,

$( {x}^{2} - 14x + 49) - (25 {y}^{2} - 100y) = 125$

Factor out 25 for the y variables

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y) = 125$

Complete the square

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y + 4) = 25$

Simplify the perfect square trinomial

$(x - 7) {}^{2} - 25(y - 2) {}^{2} = 25$

Make the right side be 1 so divide everything by 25.

$\frac{(x - 7) {}^{2} }{25} - (y - 2) {}^{2} = 1$

Here our center is (7,2).

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2 years ago

Jamie cell phone service costs $21 per month plus $0.25 for each level call in Long Distance calls are extra last month Jamie's

vitfil [10]

36.64-21=15.64
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2 years ago

There are 45 boys and 54 girls in your school’s senior class. What is the ratio of boys to girls

strojnjashka [21]

Answer:

5/6

Step-by-step explanation:

The ratio is:

45 / 54

Or, reduced:

5 / 6

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3 years ago

Order the numbers from least to greatest -20 3/4 -14 3/4 -1/4 and -15 1/2

FinnZ [79.3K]

Answer:

-20 3/4, -15 1/2, -14 3/4,

Step-by-step explanation:

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Drupady [299]

Answer:

3 is the value of X.

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3 years ago