Please prove. hurry pls

Mathematics

1 answer:

scoray [572]2 years ago

6 0

Where is the image at?

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The odds that you will pick a spade from a standard deck of 52 cards is 4:39. ToF

Grace [21]

There are 13 spades and total number of cards is 52.

so the odds are 13:(52-13) = 13:39.

F

7 0

2 years ago

Read 2 more answers

Will mark BRAINLIEST if you just answer this one question and show your work, thank you! please help asap

Natalka [10]

On a die there are 3 even numbers. We want to know the probability that rolling a die we get 3 or an even number. So there are 4 positive outcomes out of 6.

4/6=2/3

3 0

2 years ago

Choose the correct simplification of the expression (−2x + 4y)(3x − 7y).

Rudik [331]

-2x • 3x = -6x2 (the 2 is an exponent)
4y • -7y = -28y2 (the 2 is an exponent)
-2x • -7y = 14xy
4y • 3x = 12xy
14xy + 12xy = 26xy

—> -6x2(expo) - 28y2(expo) + 26xy

Check the answer again just to be sure, it’s been a while since I’ve had algebra!

3 0

2 years ago

Which equation is equivalent to 2/3x-5/6=-5/12x+1/4

umka21 [38]

Answer:

x = 1

Step-by-step explanation:

$\frac{2}{3} x - \frac{5}{6} = - \frac{5}{12} x + \frac{1}{4} \\ \frac{2}{3}x + \frac{5}{12} x = \frac{1}{4} + \frac{5}{6} \\ \frac{8}{12} x + \frac{5}{12}x = \frac{3}{12} + \frac{10}{12} \\ \frac{13}{12} x = \frac{13}{12} \\ x = 1$