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artcher [175]
3 years ago
6

Which line is a graph of the equation: 2x + 5y = -10?

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

D

Step-by-step explanation:

2x + 5y = - 10         Subtract 2x from both sides

5y = -2x - 10           Divide by 5

y = -2x/5 - 10/5      

y = 0.4x - 2

The slope is minus so the line is going from lower right to upper left as B and D are doing.

The y intercept is - 2. B goes through + 2 so it is not the answer.

The answer is D

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Find the slope ( rise/run)
Angelina_Jolie [31]

Answer:

\huge\boxed{-\frac{1}{3}}

Step-by-step explanation:

In order to find the slope of a line, we need to find the rise over the run.

Basically - the change in y divided by the change in x.

\frac{\Delta x}{\Delta y}

We can compare the two points and find both.

We go from (0, 2) to (3, 1).

From 0 to 3 (x) is 3 units.

From 2 to 1 (y) is -1 units.

Therefore we can divide the x by the y.

\frac{-1}{3}

-\frac{1}{3}

Hope this helped!

8 0
3 years ago
Raymond's Department Store sells dress shirts for $14.99. The cost to produce one dress shirt is $9.99 plus a one-time fee of $9
Fed [463]
Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution.

(18,269.82)

3 0
3 years ago
What is the solution of the equation 4.5+m=10
drek231 [11]

Answer:

The first thing that we need to do is subtract 4.5 from both sides because that would removed the 4.5 from the left side and leave us with m by itself.  So we get the following m=5.5 and that is our solution.

<u><em>Hope this helps!  Let me know if you have any questions</em></u>

6 0
2 years ago
Read 2 more answers
Is this a relation or a function explain your answer
mash [69]
Relation because a function can not have two ( , ) with the same x value.
4 0
3 years ago
A city has a population of 210,000 people. Suppose that each year the population grows by 3.25% . What will the population be af
serg [7]

Answer: the population be after 10 years is 289145

Step-by-step explanation:

The growth rate is exponential. We would apply the formula for exponential growth which is expressed as

y = b(1 + r)^t

Where

y represents the population after t years.

t represents the number of years.

b represents the initial population.

r represents rate of growth.

From the information given,

b = 210000

r = 3.25% = 3.25/100 = 0.0325

t = 10 years

Therefore,

y = 210000(1 + 0.0325)^10

y = 210000(1.0325)^10

y = 289145

5 0
3 years ago
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