3 years ago

What is the area of the trapezoid with the given information?

Mathematics

1 answer:

rewona [7]3 years ago

5 0

Answer:

doubt

Step-by-step explanation:

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Find the value of a square + b square when a+b = 8 and ab = 10

Ne4ueva [31]

As we know,

$\boxed{ \boxed{(a + b) {}^{2} = {a}^{2} + {b}^{2} + 2ab}}$

now, let's plug the given values to find a² + b²

$(8) {}^{2} = {a}^{2} + {b}^{2} + (2 \times 10)$

$64 = {a}^{2} + {b}^{2} + 20$

${a}^{2} + {b}^{2} = 64 - 20$

$a {}^{2} + b {}^{2} = 44$

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3 years ago

Round each decimal number to the near estas integer: 11.90, 5.49, 7.09, 8.5, -2.2

astraxan [27]

11.90 rounds up to 12, which is the nearest integer.

5.49 rounds down to 5.

7.09 rounds down to 7.

8.5 rounds up to 9.

-2.2 rounds down to -2.

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3 years ago

A taxi charges a flat rate of R10, and an additional cost of 30 cents per kilometer. If you have

Maslowich

Step-by-step explanation:

so, just by getting into the taxi we have to pay R10.

that leaves us 22 - 10 = R12 for the actual trip.

30 cents per kilometer.

so, how many units of 30 cents are there in R12 ? that is the number of kilometers we can go.

R12 = 1200 cent (right ?)

1200 / 30 = 120 / 3 = 40

so, we can travel 40 kilometers for that money.

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2 years ago

if a chocolate cake is divided into six equal and each has 280 calories, how many calories are in the whole cake

Contact [7]

Answer:

1680

Step-by-step explanation:

280 x 6 = 1680

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2 years ago

Evaluate:

Ivanshal [37]

Answer:the answer is -17

Step-by-step explanation:

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3 years ago