3 years ago

50% SHADED TRUE OR FALSE

Mathematics

1 answer:

Ganezh [65]3 years ago

3 0

Answer:

yes

Step-by-step explanation:

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The number of pages that Kline can read varies directly with the time he spends reading if he reads 13 pages in 25 minutes how m

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Answer:It is 650

Step-by-step explanation:

13x25=352

352x2=650

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Simplify the expression – (7x-6).

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Answer:

-7x+6

Step-by-step explanation:

Use the distributive property.

Add the negative in front of each number in the parenthesis.

- (7x) -(-6)

Since 6 is negative, a negative multiplied by a negative is equal to a positive. Change the negative in front of the 6 into a positive.

-7x + 6

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The first two steps in the derivation of the quadratic formula by completing the square are shown below.

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Answer: C

Step-by-step explanation:

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PLEASE HELP ASAP!! Complete the square to rewrite the following equation. Identify the center and radius of the circle. You must

r-ruslan [8.4K]

Answer:

(i) Center = (-1, -2)

(ii) Radius = 5 units

General Circle Equation:

(x - h)² + (y - k)² = r²

Where:

(h, k) is the center points

r denotes the radius

Rewriting the equation:

$\sf x^2 + 2x + y^2+ 4y = 20$

$\sf x^2 + 2x + 1^2 - 1^2 + y^2 + 4y + 2^2 - 2^2 = 20$

$\sf (x + 1)^2 - 1 + (y + 2)^2 -4 = 20$

$\sf (x + 1)^2 + (y + 2)^2 = 20 + 5$

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$\sf (x -(- 1))^2 + (y -(- 2))^2 = 5^2 \quad \leftarrow \ \bf General \ Circle \ Equation$

Identify the following:

(h, k) = (-1, -2), radius = 5 units

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Solve by factoring. x2-49 = 0 X=

Archy [21]

24 1/2 or 24.5 is the answer

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