2 years ago

Which of the following best explains the main purpose of short-term

Mathematics

1 answer:

Alex17521 [72]2 years ago

6 0

Answer:

it's D

Step-by-step explanation:

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Solve the simultaneous equations

puteri [66]

Answer:

The answer is in the pictures.

Step-by-step explanation:

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1 year ago

Yolanda is going to watch a movie in her collection. She has 3 action movies, 4 comedies, and 5 dramas.

andre [41]

Answer:

Step-by-step explanation:

Probability=(number of specific outcomes)/(total number of outcomes)

Since there are 4 comedies and 3+4+5=12 total movies

P(C)=4/12=1/3

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3 years ago

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A bag contains 42 red marbles, 6 white marbles, and 8 gray marbles. You randomly pick out a marble, record its color, and put it

Elanso [62]

For any single draw,

$\mathbb P(\text{white})=\dfrac6{42+6+8}=\dfrac6{56}$
$\mathbb P(\text{gray})=\dfrac8{42+6+8}=\dfrac8{56}$

Drawing a white marble or a gray marble are disjoint events; only one of them can happen. So

$\mathbb P(\text{white or gray})=\mathbb P(\text{white})+\mathbb P(\text{gray})-\underbrace{\mathbb P(\text{white and gray})}_0$
$\mathbb P(\text{white or gray})=\dfrac6{56}+\dfrac8{56}=\dfrac{14}{56}$

Out of 224 draws, you should expect $\dfrac{14}{56}\times224=56$ of the marbles to be either white or gray.

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3 years ago

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If john can cover 360 miles in 3 hours find the number of feet per minute john can cover

chubhunter [2.5K]

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Result: 95040 foot/minute = 1080 mile/hour, so the answer is 95040

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3 years ago

Divide 9y power 2 by 3<br><br>divide (8x power 2 +4x ) by 2x

olchik [2.2K]

Answer:

1=27

2=34

Step-by-step explanation:

1)9y power 2÷3

or, y=9 power 2÷3

or, y=9×9÷3

or, y=81÷3

or, y=27

2) (8x power 2+4x)÷2

=(8x×8+4x)÷2

=(64x+4x)÷2

=68x÷2

or, x=68÷2

or, x=34

4 0

3 years ago