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3 years ago

A square has a side of 6.25. What is the area in square feet

1 answer:

4 0

$\sf\\\ The\ area\ of\ a\ square\ is\ a^2\ where\ a\ is\ the\ side.\\The\ side\ is\ 6.25.\\6.25^2={\boxed{39.06\ square\ feet}$

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Given that x square + 5 x + c is a perfect square find the value of C

lawyer [7]

Answer:

c = $\frac{25}{4}$

Step-by-step explanation:

To make a perfect square

add ( half the coefficient of the x- term )² to x² + 5x

x² + 5x + ( $\frac{5}{2}$ )²

= x² + 5x + $\frac{25}{4}$

= (x + $\frac{5}{2}$ )² ← a perfect square

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3 years ago

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3 years ago

A square field has an area of 479 ft what is the approximate length of a size of the field

MissTica

Answer:

21.9 ft

Step-by-step explanation:

The area of a square is the square of the side length, so the side length is the square root of the area:

... s = √(479 ft²) ≈ 21.886 ft

This is approximately 21.9 ft.

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3 years ago

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kkurt [141]

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30.

Factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

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3 years ago

When is 20% off better than 20$ off

Crazy boy [7]

Answer:

Price > 100$

Price > 150$

Step-by-step explanation:

Let us assume that x% off of price y$ is better than x$ off.

Hence, $\frac{xy}{1000} > x$

Hence, y > 100

Therefore, when the price is more than 100$, then only x% off on the price is better than x$. (Answer)

Again, assume that 20% off on price y$ is better than 30$ off.

Hence, $\frac{20y}{100} > 30$

⇒ y > 150$

Therefore, when the price is more than 150$, then only 20% of on the price is better than 30$ off. (Answer)

7 0

3 years ago