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timofeeve [1]
3 years ago
11

Find an equation for the line that passes through the points (-5,-3) and (1,-1)

Mathematics
1 answer:
Hatshy [7]3 years ago
5 0

Answer:

y = 1/3x - 4/3

Step-by-step explanation:

slope is change in y over the change in x

-1 +3/ 1+5= 2/6= 1/3

y+1 = 1/3(x-1)

y + 1 = 1/3x - 1/3

y = 1/3x - 4/3

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Please answer this question !! Thank u tons !! Will give brainliest !!
Anastaziya [24]

Answer: D

Step-by-step explanation:

The key to finding the line perpendicular to the one given is teh slope. The slope is the opposite reciprocal of the original line.

m=3

perpendicular m=-1/3

Now that we know the slope, we can see which of our answer choices have -1/3 as the slope. We can see D is the only option that has -1/3 for slope.

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3 years ago
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A ball is dropped from a height of 100 cm. The rebound heights to the nearest centimeter are 60, 36, 22, .... What is the total
Nataly_w [17]

Answer:

a

Step-by-step explanation:

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3 years ago
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Which points are on the graph of ƒ(x) = 2(0.5)^x
Slav-nsk [51]
<span> <span><span> x           y=2*(0.5)^x

 </span><span>-10       2048 </span> <span>
-9          1024
</span> <span> -8            512 </span> <span>
-7            256 </span> <span>
-6            128
</span> <span> -5              64
</span> <span> -4              32 </span> <span>
-3              16
 </span><span>-2               8 </span> <span>
-1                4 </span> <span>
0                 2 </span> <span>
1                1 </span> <span>
2                0.5 </span> <span>
3                0.25
</span> <span> 4                0.125 </span> <span>
5                0.0625 </span> <span>
6                0.03125 </span> <span>
7                0.015625
</span> <span> 8                0.0078125 </span> <span>
9                0.00390625
</span> <span> 10              0.00195313

As x goes to negative infinity the function grows to infinity.

As x grows to infinity the function decreases an approximate to zero. </span></span></span>
5 0
3 years ago
Carla pays $20 per month for her phone service, plus $0.08 for each long
Kisachek [45]

Answer:

Slope = 0.08 dollars per minutes.

Step-by-step explanation:

Carla pays $20 per month for her phone service, plus $0.08 for each long-distance minute used.

Therefore, if Carla talks for m minutes in the long-distance call, then the situation can be modeled by the equation  

C = 20 + 0.08m ............ (1), where C is the total cost for her phone service per month.

Here, 20 is the fixed price and 0.08m is the variable price for her phone charges.

This equation (1) represents a straight line with y-intercept as 20 and the slope as 0.08, where m plotted along x-axis and C is plotted along the y-axis. (Answer)

3 0
3 years ago
A T-shirt department store cost 7.50.the total cost in dollar of a T-shirt is givien by the function C(a)=7.5a
tigry1 [53]

Given cost function C(a) = 7.5a, where a is the number of T-shirts.

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We need to plug a=1,2,3,4 in above function to get the costs to complete the table.

For a =1

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For a =2

C(2)= 7.5(2) = 15.00

For a =3

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C(4)= 7.5(1) = 30.00

In order to find the common difference we need to find the diffrences of costs 15-7.50 = 7.50

22.50-15.00=7.50.

<h3>Therefore, common difference is 7.5.</h3>

a represents the number of T-shirts.

Domain of a is the numbers we can take for a.

So, we can take value for a as 0 or greater value.

Therefore, domain for a would be a is gerater than or equal to 0.

<h3>Domain : a≥0</h3>

6 0
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