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Blizzard [7]
3 years ago
5

A couple that already has two daughters wants to have another child. the couple is hoping for a son. what is the probability tha

t the couple\'s third child will be a boy? record your answer as a percentage.
Mathematics
1 answer:
Natali [406]3 years ago
8 0
Answer: 50%

Explanation:

A child is either a boy or a girl
P(a boy) = 1/2 = 50%
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The _______ form of a quadratic equation is written y = a(x - h)2 + k.
uranmaximum [27]

its wrong

Step-by-step explanation:

5 0
3 years ago
A company's stock was selling at
belka [17]

<u>old:</u> $16

<u>new:</u> $20

<u>percent increase</u>

-> formula: (new-old / old) x 100

(20-16 / 16) x 100

4/16 x 100

0.25 x 100

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8 0
3 years ago
M + 5 = 5<br> + 5 can you guys help
sattari [20]

Answer:

the answer would be 0 because 0+5=5

7 0
3 years ago
To the nearest tenth, what is the area of the figure shown in the image? Segment BF is a line of symmetry of the pentagon ABCDE.
Sidana [21]

Answer:

C, 39.3 in²

Step-by-step explanation:

Lets first find the area of the rectangle part of the house.

To find the area of a rectangle its base × height.

So its 6×4=24 in².

Now lets find the area of the top triangle.

Area for a triangle is (base × height)/2.

The height is 3 inches, because its 7-4. While the base is 6 inches.

(6×3)/2=9 in².

To find the area of the half circle the formula, (piR²)/2.

The radius of the circle is 2 because its half of the diamter which is 4.

(pi2²)/2=6.283 in².

Now we just need to add up the area of every part,

24+9+6.283=39.283in²

5 0
3 years ago
(x+2)^2+(x-3)^2-2x^2)
garri49 [273]

Answer:

<u>13 - 2x </u>

Step-by-step explanation:

(x +2)² + (x - 3)² - 2x²

<em>Expand.</em>

(x + 2)(x + 2) + (x - 3)(x - 3) - 2x²

x² + 2x + 2x + 4 + x² - 3x - 3x + 9 - 2x²

<em>Bring all the like terms together then simply.</em>

x² + x² - 2x² + 2x + 2x - 3x - 3x + 4 + 9

2x² - 2x² + 4x - 6x + 13

= <u>13 - 2x</u> (or <u>-2x + 13</u> )

4 0
3 years ago
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