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m_a_m_a [10]
3 years ago
12

Which equation represents the line that passes through points (1, –5) and (3, –17)? y = negative 6 x + 1 y = 6 x + 1 y = negativ

e 6 x minus 1 y = 6 x minus 1
Mathematics
1 answer:
tia_tia [17]3 years ago
4 0

Answer:

[see below]

Step-by-step explanation:

Finding the slope of the two points:

m=\frac{-17+5}{3-1}=\frac{-12}{2}=\boxed{-6}

The slope is -6.

Using an incomplete slope-intercept form equation to find the y-intercept:

y=6x+b\\\\-5=6(1)+b\\\\-5=6+b\\\\-5-6=6-6+b\\\\\boxed{1=b}

The equation for the line passing the points is y=-6x+1.

The equation in standard from would be 6x+y=1.

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Elena L [17]
Use the given values in the compound interest formula to solve for time, n.

A is the final amount of money, $2800
P is the initial or starting amount $1900
i is the interest rate as a decimal 0.025
n is time in years since it annual.

2800 = 1900(1 + 0.025)^n

2800 = 1900(1.025)^n

2800/1900 = (1.025)^n

28/19 = (1.025)^n

take the natural log of both sides to solve for exponent.

ln(28/19) = ln(1.025^n)

power rule of logarithmic moves exponent

ln(28/19) = n*ln(1.025)

ln(28/19) / ln(1.025) = n

put into a calculator

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4 0
2 years ago
Add the fractions and simplify the answer 1/2+2/3
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The anawer to your question is 3/6, and simplified as 1/2.
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2 years ago
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Slav-nsk [51]

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3 0
3 years ago
Read 2 more answers
What is the slope of the line? y + 5=2(x+1)
mel-nik [20]

Answer:

2

Step-by-step explanation:

So we have the equation:

y+5=2(x+1)

This is in the format point-slope form, where:

y-y_1=m(x-x_1)

Here, m is the slope.

In our original equation, 2 replaces m.

Therefore, our slope is 2.

5 0
3 years ago
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Jennifer's saving to buy a bike. The bike costs $245. She has $125 saved, and each week she adds $15 to her savings. How long wi
Novosadov [1.4K]
It will take her 8 weeks to save up enough money for the bike.

To get the answer first you have to subtract 125 from 245 to see how much money she still has to save then divide the answer which is 120 by 15 and you get 8. Hope this helps!!
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2 years ago
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