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3 years ago

If there is a 80% chance of rain and a 70% chance of wind and rain what is the probability that it is windy given that its rainy

Mathematics

1 answer:

dlinn [17]3 years ago

3 0

10 % because 80 - 70 = 10

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Theo and Kade worked on a school project together. Theo worked on the project 3 fewer hours than Kade did. Altogether, they work

kari74 [83]

Answer:

Theo worked on it for 12 hours. Kade worked on it for 15 hours.

Step-by-step explanation: 12 plus 15 equals 27.

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2 years ago

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The diagonals of rhombus WXYZ intersect at point P. If WP = 12 and XP = 5, find the perimeter of the rhombus.

navik [9.2K]

Answer: 52

Use the pythagorean theorum to calculate WX, since it's a rhombus, all sides are equal, multiply by four, finished.

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3 years ago

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PLEASE ANSWER ASAP I WILL MARK BRAINLY

AURORKA [14]

Answer:

first and third

Step-by-step explanation:

Emma used the product instead of the quotient and forgot the parentheses in x-4.5

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3 years ago

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Use the quadratic formula to solve for x. 4x2 +9x-1=0

insens350 [35]

Answer:

$x=\frac{-9\pm\sqrt{65} }{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Standard Form: ax² + bx + c = 0
Quadratic Formula: $x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Step-by-step explanation:

Step 1: Define

4x² + 9x - 1 = 0

Step 2: Define variables

a = 4

b = 9

c = -1

Step 3: Find roots

Substitute: $x=\frac{-9\pm\sqrt{9^2-4(4)(-1)} }{2(4)}$
Exponents: $x=\frac{-9\pm\sqrt{81-4(4)(-1)} }{2(4)}$
Multiply: $x=\frac{-9\pm\sqrt{81-16} }{8}$
Subtract: $x=\frac{-9\pm\sqrt{65} }{8}$

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2 years ago

Find the leg of each isosceles right triangle when the hypotenuse is of the given measure. Given = 5 is the square root of 6

Leto [7]

Hello :
by the pytagore rule :
the length of the hypotenuse is x : x²= (5√6)² +(5√6)²
x² = 300
x =√300

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3 years ago

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