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3 years ago

20 POINTS What is the area of the figure pictured below? the figure is not drawn to scale :)

Mathematics

1 answer:

Lostsunrise [7]3 years ago

8 0

Answer:

b. 158cm^2

Step-by-step explanation:

A=(b)(h)

(7)(17)=119

A=1/2(b)(h)

1/2(6)(13)=39

119+39=158

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The sum of the digits of a two-digit number is 8. The difference between the number and the reversed number is 10 more than the

Vesna [10]

Answer:

The number is 62

Step-by-step explanation:

Let the digits of the number be T and U;

A 2 digit number is represented as: 10T + U

So,

$T + U = 8$

$10T + U - (10U + T) = 10 + 10U + T$

Required

Find the digit

Make U the subject in the first equation

$U = 8 - T$

Substitute 8 - T for U in the second

$10T + U - (10U + T) = 10 + 10U + T$

$10T + 8 - T - (10*(8-T) + T) = 10 + 10(8 - T) + T$

$10T + 8 - T - (80-10T + T) = 10 + 80 - 10T+ T$

$10T + 8 - T -80+10T - T = 10 + 80 - 10T+ T$

Collect Like Terms

$10T + 10T - T- T + 8 -80 = 10 + 80 - 10T+ T$

$18T -72 = 90 - 9T$

$9T + 18T = 90 + 72$

$27T = 162$

$T = 162/27$

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3 years ago

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Step-by-step explanation:

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jarptica [38.1K]

Answer:

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Hence, the answer is B.

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