2 years ago

Que es probabilidad

Mathematics

1 answer:

Dafna1 [17]2 years ago

6 0

Probabilidad es probability

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A square concert stage in the center of a fairground has an area of 4x^2 + 12x +9 ft^2. The dimensions of the stage have the for

mezya [45]

Answer:

(8x+12) feet.The perimeter when x=2ft is 28 feet.

Step-by-step explanation:

The solution is in the attached file.

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2 years ago

How do i solve the equation <br><img src="https://tex.z-dn.net/?f=4x%20%7B%7D%5E%7B2%7D%20%20%2B%2040x%20%2B%2084%20%3D%200" id=

SpyIntel [72]

$QUADRATIC \: \: RESOLUTIONS \\ \\ \\\\4 {x}^{2} \: + \: 40x \: + \: 84 \: = \: 0 \\ \\ 4 \: ( \: {x}^{2} + 10x + 21) \: = \: 0 \\ \\ 4 \: can \: never \: be \: equal \: to \: \: 0 \\ \\ {x}^{2} \: + \: 10x \: + \: 21 = \: 0 \\ \\ {x}^{2} + \: 7x \: + 3x \: + \: 21 = 0 \\ \\ x(x + 7) + 3(x + 7) = 0 \\ \\ ( \: x + 7 \: ) \: ( \: x + 3 \: ) \: = \: 0 \\ \\ On \: solving \: \: , \: \: \: We \: get \: \: \: \: \: - \\ \\ \\ x \: = \: - 7 \: \: \: or \: \: \: x = \: - 3 \: \: \: \: \: \: \: \: Ans.$

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2 years ago

You bought groceries last week. You used coupons and saved 25% on your grocery bill. You saved $8.80. How much was your bill bef

QveST [7]

Answer:

$35.2

Step-by-step explanation:

% saved = 25%

Money saved = $8.80

Let x be the bill before the coupon discount.

25/100 × x = 8.80

x = $35.2

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2 years ago

What will be the area of a circle if it’s radius is tripled

geniusboy [140]

The circumference of a circle is equal to the diameter times pi. So, let's look at what happens if you double the radius of a circle -- say from 2 to 4. The area will go from 12.56 to 50.24. This means that it has quadrupled.

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2 years ago

378 is 111 minus w<br> somome help

ivolga24 [154]

In form:
378 = 111-w
Solving for w:
378-111 = -w
-w = 267
w = -267

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2 years ago