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scoray [572]
3 years ago
14

PLZZZZZ HELP ME HELP A DUMB CHILD OUT

Mathematics
1 answer:
marusya05 [52]3 years ago
4 0

Answer:

80 inches

Step-by-step explanation:

Pythagorean theorem

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¿Qué entiendes por propiedad distributiva?​
yan [13]
La propiedad distributiva es una propiedad de las matemáticas de “distribuir” un múltiplo a una expresión.
La propiedad distributiva es lo opuesto a factorizar.
Para que quede más claro, aquí dejo algunos ejemplos:
3 0
3 years ago
What is the solution set of 2x(x - 1) = 3?
garik1379 [7]

First you must distribute the 2x to the numbers inside the parentheses

(2x * x) + (2x * -1) = 3

2x^{2} - 2x = 3

To make this a quadratic equation you can solve bring the 3 over to the left side of the equation by subtracting it to both sides

2x^{2} - 2x - 3 = 0

Use the quadratic equation to solve this (image of the quadratic equation is below)

Remember that quadratic functions are set up like so:

ax^{2} +bx +c = 0

That means that in this equation...

a = 2

b = -2

c = -3

^^^Plug these numbers into the quadratic equation and solve...

\frac{2+/-\sqrt{(-2)^{2}-4(2)(-3)}}{2(2)}

\frac{2 +/-\sqrt{4+24}}{4}

\frac{2+/-\sqrt{28} }{4}

\frac{2+/-2\sqrt{7} }{4}

\frac{1+/-\sqrt{7} }{2}

Keep in mind that +/- is ±

\frac{1+\sqrt{7} }{2}

\frac{1-\sqrt{7} }{2}

^^^Exact answers

Approximations:

1.823

-0.823

Hope this helped!

~Just a girl in love with Shawn Mendes

8 0
3 years ago
There are 5 granola bars. Three friends want to share them evenly. How much would each friend get? show your answer in two diffe
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The two friends would both get 2 and 1/2 hope that helps

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3 years ago
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Norma-Jean [14]

Answer:

B. 3 hours 30 minutes

Step-by-step explanation:

1 week=7 days

30 minutes each day for 7 days

=30 minutes×7 days

=210 minutes

60 minutes makes 1 hour

210/60=3 hours 30 minutes

Candida has 3 hours 30 minutes from now till her ballet recital to practice

B. 3 hours 30 minutes

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3 years ago
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Ipatiy [6.2K]

a) Males ; b) 78% and c) 64%.

This problem is related to fractions of succes

7 0
1 year ago
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