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3 years ago

Using a deck of 52 playing cards, what are the odds against drawing a 6,7,8, or 9?

Mathematics

1 answer:

STatiana [176]3 years ago

6 0

first option 4/13

Keeping in mind a deck has 4 each of these cards...

4×4=16

16/52

4/13

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Write the shaded region of the model as a percent.

saul85 [17]

Answer:

40%

Step-by-step explanation:

2/5 as a decimal is 0.4, and 0.4 as a percentage is 40% hope this helped!

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3 years ago

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What 2+3+5+6+7+8+9+10=

maks197457 [2]

Answer:

Step-by-step explanation:

(2+3=5) +5 = 10

6+7 = 13

8+9=17

Then add them all together:

10+13+17+10=50

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Assume all the variables are nonnegative.

inn [45]

Use photo math it’s a great tool

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3 years ago

if each of the 4 shelves holds 14 movies, how many movies does betty have on her shelving unit? show your work

Ede4ka [16]

I’m assuming you meant in each shelf there is 14 movies, and there is 4 shelves, so you would multiply 14 x 4 which would be 56 movies

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3 years ago

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A quadratic equation has a

11111nata11111 [884]

Answer:

$\boxed {\boxed {\sf 2 \ real \ solutions }}$

Step-by-step explanation:

The quadratic formula is:

${x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}}$

The discriminant of a quadratic is just the expression under the square root, or $b^2-4ac$ . This can tell us the number of solutions a quadratic has.

If the discriminant is:

Positive = 2 real solutions
Equal to Zero = 1 real double/repeated solution
Negative = 0 real solutions, but 2 imaginary solutions

Our quadratic equation has a discriminant of 5, which is positive. Therefore, it has 2 real solutions.

6 0

3 years ago