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adoni [48]
3 years ago
14

On the graph of the equation 2x + 5y = −30, what is the value of the y-intercept

Mathematics
2 answers:
inessss [21]3 years ago
6 0
The answer is y-6 hope it helps
Andrews [41]3 years ago
5 0
-6 is the answer, use desmos calculator when doing these.
  
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Write an equation of the line that passes through the given point and is parallel to the given line.
saveliy_v [14]

the equation of line passing through given point parallel to y = -2x+7 is: y = -2x+9

Step-by-step explanation:

Given equation of line is:

y = -2x+7

As the given line is in slope intercept form, the coefficient of x is the slope

Let m1 be the slope of given line

m_1 = -2

Let m2 be the slope of second line then

m_2= -2

The equation of line is given by:

y= m_2x+b

Putting the value of slope

y = -2x+b

Putting the point (4,1) in the equation

y = -2x+b\\1 = -2(4)+b\\1= -8+b\\b = 1+8\\b = 9

Putting the value of b in the equation

y = -2x+9

Hence,

the equation of line passing through given point parallel to y = -2x+7 is: y = -2x+9

Keywords: Slope, intercepts

Learn more about slope at:

  • brainly.com/question/664010
  • brainly.com/question/6594923

#LearnwithBrainly

3 0
3 years ago
To prepare for the school fundraiser, juanita pays $5 for 100 cups. She also buys Fruit juice for $.50 each. Write an equation t
ANTONII [103]

Answer:

f(x) = 0.5x + 5

Domain: positive whole numbers

Range: f(x) ≥ 5

Step-by-step explanation:

Let's x denote the total number of fruit juice.

This means that if $0.5 for each fruit juice, then the total cost incurred for fruit juice would be $0.5x.

Since she incurred a cost of $5 for 100 cups and $0.5 for each fruit juice, then the total cost, f(x), would be:

f(x) = 0.5x + 5

The domain would be all positive whole numbers (it is restricted to positive whole numbers because a fruit juice can't be "negative" neither can it be "half").

The range is all numbers equal or greater than 5. This is because, even if she does not eventually get fruit juice, she will still incur a cost of 5usd for cups.

7 0
3 years ago
What is the value of x for the equation 2^5 ∙ 2^x = 2^8
netineya [11]

Answer:

x=3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
If carlos did some work and got 3x + 2x - 6 = 24 what mistake did he make
Makovka662 [10]

Carlos made the mistake that he did not combine like terms (3 x and 2 x) properly and did not use addition property of equality.

<u>Step-by-step explanation:</u>

Carlos did the work as 3 x + 2 x - 6 = 24

We need to find his mistake that he made in above given.

Here, he did not add the like terms (3 x and 2 x)

             3 x + 2 x = 5 x

Therefore, his work should be

             5 x  - 6 = 24

Also, he did not use addition property of equality. It means the equation remains same even though the same number gets added on both sides. It would be

                          5 x  - 6 = 24

                                 + 6 = + 6

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

                           5 x = 30

Dividing 30 by 5, we get answer as '6'. Hence,

                            x=\frac{30}{5} = 6

So, stated the above two are the mistakes found in carlos work.

4 0
3 years ago
What decimal is equivalent to 4/5 + 0.05
UNO [17]
To answer this we will add, but before we add we will change 4/5 in to a decimal. to change ANY fraction into a decimal we have to divide the numerator by the denominator. lets do it:- 

4/5 
4 ÷ 5 = 0.8

Now lets substitute 0.8 for 4/5 and then add.

4/5 + 0.05
0.8 + 0.05 = 0.85

CHECK OUR WORK:-

0.85 - 0.8 = 0.05
We were RIGHT!!

So, the decimal 0.85 is equivalent to 4/5 + 0.05.

Hope I helped ya!! xD 
3 0
3 years ago
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