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Westkost [7]
3 years ago
11

Identify the vertex of the graph. Tell whether it is a minimum or maximum.

Mathematics
1 answer:
Olegator [25]3 years ago
4 0

Answer:3333333333333333Step-by-step explanation:

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Need help with this question.
Vaselesa [24]

Answer:

4:1 (I think)

Step-by-step explanation:

Let's write some equations first:

For both prices increasing by 20:

\frac{x+20}{y+20} =\frac{5}{2}

then we can use cross multiplication

2x+40=5y+100

For both prices decreasing by 5:

\frac{x-5}{y-5} =\frac{5}{1}

same here:

5y-25=x-5

Using substitution for 5y, we get: 5y=x+20

2x+40=5y+100

2x+40=x+20+100

x=80

plugging this in to the second equation:

5y-25=x-5

5y-25=80-5

5y-25=75

5y=100

y=20

therefore we get x:y=80:20

4:1

4 0
2 years ago
How to work it out and the
Lilit [14]
Heyyy friend


Here is your answer

7 0
3 years ago
Find -1 1/5 + (- 3/5)​
Shkiper50 [21]

Answer:

-14/5

Step-by-step explanation:

+ - you have to remove the plus sign so it just becomes -

then you get,

-11/5 - 3/5 = -14/5

6 0
3 years ago
Convert 0.2146666 into fraction in its simplest form​
Lana71 [14]

Answer:

<u>1073333/5000000</u>

Step-by-step explanation:

To convert from decimal to fraction : take denominator as 10000000.

2146666/10000000

<u>1073333/5000000</u>

4 0
1 year ago
Read 2 more answers
Which two points satisfy y = -x2 2x 4 and x y = 4?
matrenka [14]
I will assume that the two equations are

1) y = -x^2 +2x + 4 and 2) x +y = 4

subtract 2 from 1 and you get

y -x - y = -x^2 + 2x + 4 - 4

-x = -x^2 +2x

x^2 -x -2x = 0

x^2 - 3x = 0

x(x-3)=0

x=0 and x - 3 =0

x=0 and x = 3

Then y = 4 - x

y = 4 - 0 and y = 4 -3
y = 4 and y =1

Solutions:

Points (0,4) and (3,1)

 



6 0
3 years ago
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