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NISA [10]
2 years ago
13

6. What is the equation of a line with a slope of -4 that passes through the point (2, -1)

Mathematics
1 answer:
nadezda [96]2 years ago
8 0

Answer:

y = -4x + 7

Step-by-step explanation:

Plug in the values into y = mx + b

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What is the slope of the line that contains the points (7, -3) and (-7, 4)?
tino4ka555 [31]
m = \dfrac{y_2 - y_1}{x_2 - x_1}

m = \dfrac{-3 - 4}{7 - (-7)}

m = \dfrac{-7}{14}

m = -\dfrac{1}{2}

Answer: The slope is -1/2.
8 0
2 years ago
Read 2 more answers
Find the area of a triangle bounded by the x-axis the line f(x)=5-5/3x and the line perpendicular to f(x)
viktelen [127]

Answer:

answer fx

Step-by-step explanation:

its fx because it works

7 0
2 years ago
if you save three pennies on January 1, six pennies on January 2, nine pennies on January 3, and continue this pattern for one y
Katarina [22]

Answer:

2003.85

Step-by-step explanation:

I realize I'm a year late, but the math of the previous answer was so terrible I'm honestly too horrified to let this be.

You have save by an increasing amount of 3 pennies per day. You start with 3 and build from that, each day, for 365 days. First, you must figure out what amount of pennies you shoved into your account on the final 365th day.

An= a1+(n-1)d

An=term you want

a1= term you begin with

n= term you want

d= constant amount

A_365= 3 + (365-1)*3

A_365= 1095

Arithmetic Sum: Sn = N/2 (a1 + an)

365/2 * (3 + 1095) = 200385.

This means you've invested a total of 200385 PENNIES after 365 days.

The question asks for dollars, not your rusting lincoln's.

As (I hope) you know, 1 Dollar = 100 pennies

200385 pennies/100 = 2003.85.

This means you have $2003.85 in your account by the conclusion of the 365th day.

4 0
3 years ago
Pleaseeee help me fast
jekas [21]
The growth is decaying, the original value is 500 and the common multiplier is 5, 500 divided by 5 turns to 100. 100/5=20. 20/5=4. x/5 or 1/5 if it has to be in a fraction format
8 0
3 years ago
The table represents an exponential function.
Tpy6a [65]
TL;DR(too long didn't read): answer is 3/4


This question may look confusing, however, it is more easily understood once you see that the fractions appear to be changing more randomly than they are in a way you can recognize, however, they're not. Since they look like that it's because they're being multiplied by a fraction. Split the fractions into two to make it easier. 3/2 and 9/8, just look at them as '3' and '2' and '9' and '8'. 3 becomes 9. Which means either 6 was added or 3 was multiplied by 3. Compare to the next row, 27. 9-->27 can't be 6, so it's being multiplied by 3. Now for the bottom. 2 becomes 8, and knowing that the numerator of the fraction is being multiplied, so is the denominator then, so 2-->8 is 2 times 4. Put the numerator and denominator back together and you have 3/4. The answer is 3/4.
3 0
2 years ago
Read 2 more answers
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