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krek1111 [17]
3 years ago
10

Write a quadratic function f whose zeros are -3 and -4

Mathematics
1 answer:
dlinn [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Zeros α = -3 and β = -4

Quadratic equation: x² - (α + β)x + αβ = 0

x² - (-3-4)x + (-3)*(-4) = 0

x² - (-7)x + 12 =0

x² + 7x + 12 = 0

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3 years ago
On a map of South Asia, Nepal looks approximately like a rectangle
Hoochie [10]

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A large container holds 5 gallons of water. It begins leaking at a constant rate. After 20 minutes, the container has 3 gallons
jeka57 [31]

The container will take 25 minutes to go from full to empty.

Explanation:

In 15 minutes, the container has lost 3 gallons of water (

5

−

2

=

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4 0
3 years ago
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makvit [3.9K]

81.4% ≅ 81%. The probability that a customer ordered a hot drink given that he or she ordered a large is 81%.

The key to solve this problem is using the conditional probablity equation P(A|B) = P(A∩B)/P(B). Conditional probability is the probability of one event occurring with some relationship to one or more other events.

Similarly to the previous exercise, P(A∩B) is the probability that a customer order a large hot drink. So, P(A∩B) = 22/100 = 0.22

For P(B), is the probability that a customer order a large drink whether hot or cold. P(B) = 27/100 = 0.27

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8 0
3 years ago
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Degger [83]

Answer:

Option (D)

Step-by-step explanation:

Kevin delivers newspaper in his town and earns an amount represented by a linear equation,

y = 30x + 18

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If he doesn't deliver any newspaper on a certain day, (x = 0)

Then total earnings, y = 30(0) + 18

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Therefore, a certain amount of 18 cents will be paid even if he doesn't deliver any newspaper on a certain day.

Option (D) is the correct option.

8 0
3 years ago
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