2 years ago

PLEASEEE HELPPP IT DUE TODAYYY

Mathematics

1 answer:

Nimfa-mama [501]2 years ago

7 0

Answer:

All angles in a rectangle are congruent, because in a rectangle, all angles are 90 degrees.

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a jar contains 5 blue marbles and 3 red marbles. suppose you choose a marble at random and do not replace it. then choose a seco

lina2011 [118]

$\mathbb P(R_1\cap R_2)=\mathbb P(R_2\mid R_1)\mathbb P(R_1)$

The probability of drawing a red marble on the first attempt is

$\mathbb P(R_1)=\dfrac{\dbinom31}{\dbinom51}=\dfrac35$

After the first marble is drawn, and we know it to be red, we're drawing the next marble from a pool with one less marble than before (i.e. conditioning on the event $R_1$ ). So

$\mathbb P(R_2\mid R_1)=\dfrac{\dbinom21}{\dbinom71}=\dfrac27$

And so

$\mathbb P(R_1\cap R_2)=\dfrac35\cdot\dfrac27=\dfrac6{35}$

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3 years ago

What is the y- intercept of a line that has a slope of -3 and passes through point (-5,4)?

OlgaM077 [116]

Answer:B is the answer -11

Step-by-step explanation:

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2 years ago

Are these factors equivalent or nonequivalent?

dusya [7]

I'm pretty sure the above fractions are equivalent because if you reduce 5s/15t then it equals s/3t.

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2 years ago

PLEASE HURRY!!!!

____ [38]

Answer:

i think its 19 minunts i could be wrong but if not i hope this helps

Step-by-step explanation:

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2 years ago

At Pizza Pi, 24% of the pizzas made last week had extra cheese. If 12 pizzas had extra cheese, how many pizzas in all were made

myrzilka [38]

Answer: 50

Step-by-step explanation:

Let the number of pizza made last week be represented by y.

From the question, we can form it into:

24% of y = 12

24/100 × y = 12

0.24 × y = 12

0.24y = 12

y = 12/0.24

y = 50

50 pizza were made last week.

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2 years ago