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e-lub
1 month ago
10

Line JK passes through points J(–3, 11) and K(1, –3). What is the equation of line JK in standard form?

Mathematics
2 answers:
Leona [12.6K]1 month ago
6 0
One equation is Y - 11 = -7/2(x + 3), while the other is y + 3 = -7/2(x - 1).
tester [12.3K]1 month ago
5 0

Answer:

7x + 2y = 1

Step-by-step explanation:

Greetings

Utilize the given points to calculate the slope (A)

A=\frac{-3-11}{1-(-3)} \\A= \frac{-14}{4} \\\\\\A=-\frac{7}{2} \\\\\\

With the slope and a chosen point, we can use J(-3, 11).

y-y_{0} = A (x-x_{0} )\\\\y-11=-\frac{7}{2} (x+3)\\y-11=-\frac{7x}{2} -\frac{21}{2} \\y+\frac{7x}{2} =-\frac{21}{2} +11\\\\y+\frac{7x}{2} =0.5\\\\\\

It should be multiplied by two to clear the fraction and then reorganized.

2*(y+\frac{7x}{2}) =2*0.5\\7x+2y =1

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Pauley graphs the change in temperature of a glass of hot tea over time. He sees that the function appears to decrease quickly a
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Response: An "exponential growth" demonstrates a pattern where growth starts slowly and accelerates over time.

"Logarithmic growth" behaves inversely; it initially shows rapid increase, followed by a deceleration.

In this context, we are considering decays: The decays represent the opposite of growths. An "logarithmic decay" begins slowly before speeding up, while an "exponential decay" quickly decreases at first and gradually slows afterward.

Thus, the equation modeling the temperature drop of the hot tea over time is an "exponential decay", described in the form T(x) = T₀e^{-kt}, where T₀ stands for the initial temperature, t is time, and k is a constant.

6 0
16 days ago
Moesha and Keyon are mailing invitations for their wedding. They have $50 to spend and each invitation costs $1.25 to mail. The
zzz [12365]

Answer:

The solution to the equation is 40

This indicates the max number of wedding invitations they can afford to send within their budget.

Step-by-step explanation:

To find the zero of the function, we set the dependent variable (here, m) to zero.

So we have;

0 = 50-1.25w

1.25w = 50

w = 50/1.25

w = 40

What implication does this have in this context?

Essentially, it means that the couple can send out invitations to a total of 40 people based on their budget.

7 0
1 month ago
A hot air balloon descends to the ground. The function a(t) = 210 – 15t can be used to describe the altitude of the balloon as i
tester [12383]

a(t) = 210 - 5t

(1) What does t represent?

Since t is given in minutes, it stands for time.

Interpreting t as the balloon’s altitude is incorrect since a(t) represents altitude.

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Time elapsed since the balloon starts descending

This is the correct interpretation.

---------------------------------------------------------------------------------------------------

Time for the balloon to reach ground level is incorrect because that would be a fixed moment, not a variable t.

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(2) What does a(t) represent?

The balloon’s altitude

This is the correct answer.

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Time since descent began is incorrect because that is represented by t.

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Time to reach the ground is inaccurate since a(t) is altitude, not time.

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(3) What does a(5.5) signify?

It does not represent the time to reach 5.5 feet altitude.

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The altitude of the balloon after 5.5 minutes

This is the correct interpretation since a(5.5) is altitude when t = 5.5 minutes.

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It is not the time needed to reach the ground.

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5.5 minutes alone is not correct because a(t) denotes altitude, not time.

a(5.5) refers to altitude at t = 5.5 minutes.

7 0
2 months ago
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Vineet solved a system of equations by substitution. In his work, he substituted an expression for one of the variables and solv
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Vineet can deduce that:
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10 0
26 days ago
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Beth wrote a system of equations to determine when a referee will earn the same salary working the East Conference and West Conf
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Answer:

She is mistaken

Step-by-step explanation:

Step 1: input

135 for x in both equations

Step 2: Solve those equations. This will yield y = 5375 for the first equation and y = 4720 for the second, indicating that she is incorrect

6 0
1 month ago
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