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Allisa [31]
3 years ago
7

Which of the following equations would have 2 x-intercepts

Mathematics
1 answer:
Radda [10]3 years ago
5 0

Answer:

None of these

Step-by-step explanation:

because if we plug in every time we will gwt one solution of X

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A company is producing two types of ski goggles. Thirty percent of the production is of type A, and the rest is of type B. Five
exis [7]

Answer:

\dfrac{14}{29}

Step-by-step explanation:

Let <em>P(A) </em>be the probability that goggle of type A is manufactured

<em>P(B) </em>be the probability that goggle of type B is manufactured

<em>P(E)</em> be the probability that a goggle is returned within 10 days of its purchase.

According to the question,

<em>P(A)</em> = 30%

<em>P(B)</em> = 70%

<em>P(E/A)</em> is the probability that a goggle is returned within 10 days of its purchase given that it was of type A.

P(E/B) is the probability that a goggle is returned within 10 days of its purchase given that it was of type B.

P(A \cap E) will be the probability that a goggle is of type A and is returned within 10 days of its purchase.

P(B \cap E) will be the probability that a goggle is of type B and is returned within 10 days of its purchase.

P(E \cap A) = P(A) \times P(E/A)

P(E \cap A) = \dfrac{30}{100} \times \dfrac{5}{100}\\\Rightarrow P(E \cap A) = 1.5 \%

P(E \cap B) = P(B) \times P(E/B)

P(E \cap B) = \dfrac{70}{100} \times \dfrac{2}{100}\\\Rightarrow P(E \cap B) = 1.4 \%

P(E) = 1.5 \% + 1.4 \% \\P(E) = 2.9\%

If a goggle is returned within 10 days of its purchase, probability that it was of type B:

P(B/E) = \dfrac{P(E \cap B)}{P(E)}

\Rightarrow \dfrac{1.4 \%}{2.9\%}\\\Rightarrow \dfrac{14}{29}

So, the required probability is \dfrac{14}{29}.

7 0
3 years ago
Carolina needs $50 to buy a new Mp3 player Caroline has 40% of the amount how much does she have
olga55 [171]
40/100 * 50=20
She has$20
4 0
3 years ago
Read 2 more answers
Pay no attention to the stuff I wrote please
pychu [463]
What's your question?
7 0
3 years ago
A saleswoman received $40
dangina [55]

you multiply the commission by her sales and get 25.20$ then add that to her bae pay of 280 a week and get 305.20$ as your answer.

4 0
3 years ago
If you have ordered pairs (4, 6) and (2, 3). WHAT IS THE SLOPE OF THE LINE?
tangare [24]

Answer:

3/2

Step-by-step explanation:

Okay, I can represent this equation as rise over run

the coordinates 4,6 are subcoordinates 1

y: 6 - 3 = 3

x: 4 - 2 = 2

Since it is RISE over run then Y is the numerator and X is the denominator.

So the slope is 3/2.

5 0
3 years ago
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