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3 years ago

Which equation matched the graph ?

Mathematics

1 answer:

Nady [450]3 years ago

8 0

D. y - 2 = -3(x - 2)

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A person draws a card from a hat. Each card is one color with the following probabilities of being drawn: 1/10 for red, 1/5 for

Kay [80]

Answer:

$\dfrac{1}{4}$

Step-by-step explanation:

We are given that a card is drawn from a hat.

Probability that a red card is drawn, P(red) = $\frac{1}{10}$

Probability that a blue card is drawn, P(blue) = $\frac{1}{5}$

Probability that a black card is drawn, P(black) = $\frac{1}{20}$

Probability that a pink card is drawn, P(pink) = $\frac{1}{5}$

All these events are mutually exclusive i.e. they do not have anything in common.

For any two events A and B which are mutually exclusive, with probability P(A) and P(B), the probability that any one of the two events occur:

$P(A\cup B) = P(A) + P(B)$

Here event A can be thought of as drawing a blue card and

event B can be thought of as drawing a black card

So, P(blue or black) = P(blue) + P(black)

$\Rightarrow \dfrac{1}{5}+\dfrac{1}{20}\\\Rightarrow \dfrac{4+1}{20}\\\Rightarrow \dfrac{5}{20}\\\Rightarrow \dfrac{1}{4}$

So, the probability that a blue or black card is drawn from the hat:

$\dfrac{1}{4}$

8 0

3 years ago

Find a polynomial of least possible degree having the graph shown<br><br> f(x)=0

Vedmedyk [2.9K]

The polynomial of least possible degree having the graph as given is; f(x) = x³-8x²+x +42.

<h3>Polynomial of least possible degree</h3>

It follows from the graph that the roots of the polynomial are; -2, 3 and 7.

On this note, the factors of such polynomial are;

Hence; (x+2)(x-3)(x-7) = f(x)

f(x) = x³-8x²+x +42

Read more on polynomials;

brainly.com/question/2833285

8 0

2 years ago

5 1/4 divided by 5/8 pleaseee

natulia [17]

Answer:

8.4 (42/5)

well you know that 1/4 as a decimal is .25 so take the 5 and put it in front of the .25, so you will have 5.25. And 5/8 as a decimal is .625. then just divide them by using long division or a calculator.

8 0

3 years ago

Twice a number plus 4 is at most twelve write an inequality based on the statement

wariber [46]

Answer:

2n+4≤12. n for the number

Step-by-step explanation:

6 0

3 years ago

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Find the area of a trapezium whose parallel sides are 34cm,20cm and the other sides are 13cm and 15cm.

Genrish500 [490]

Hope its helpful to you mark me as a brainlist

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3 years ago