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dalvyx [7]
3 years ago
5

b> Find the equation to the straight lines passing through (1,1) and parallel to the lines represented by x²-5xy+4y²+x+2y-2=0

.​
Mathematics
1 answer:
olasank [31]3 years ago
4 0

please mark brainlist...

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Please help this is due today.
alex41 [277]

Answer:

b = 90

c=80

d =100

Step-by-step explanation:

Given

See attachment

Required

Find b, c and d

First, we solve for b using:

b + 10 + b - 10 = 180 --- base angles of a parallelogram

Collect like terms

b + b =180+10-10

2b = 180

Solve for b

b = 180/2

b = 90

Then, we have:

d =b + 10

c = b - 10 --- opposite angles

So, we have:

d =90 + 10

d =100

c = 90 - 10

c=80

6 0
3 years ago
The owner of a retail store is tracking his inventory for an annual report. The graph shows the remaining Inventory for a partic
padilas [110]

Answer:

y = -2.8x +69.4

Step-by-step explanation:

Let y represent units of inventory, and x represent days since the last replenishment. We are given points (x, y) = (3, 61) and (13, 33). The line through these points can be described using the 2-point form of the equation of a line:

... y -y1 = (y2-y1)/(x2 -x1)(x -x1)

Filling in the given point values, we have ...

... y -61 = (33 -61)/(13 -3)(x -3)

Simplifying and adding 61, we get ...

... y = -2.8x +69.4

6 0
3 years ago
7. log(x+3)(2x + 3) +log(x+3)(x + 5) = 2
iren [92.7K]

Answer:67

Step-by-step explanation: the first one is the best. that’s why

5 0
3 years ago
Which fraction is between 2/5 and 1/5​
gogolik [260]

Answer:

Need points

Step-by-step explanation:

Answer:

Need points

Step-by-step explanation:

5 0
3 years ago
What is the axis of symmetry of the graph of f(x)=−2x²+8x−2?
FromTheMoon [43]

For the given parabola, the axis of symmetry is x = 2.

<h3>How to get the axis of symmetry?</h3>

For any given parabola, we define the axis of symmetry as a line that divides the parabola in two equal halves.

For a regular parabola, we define the axis of symmetry as:

x = h

Where h is the x-component of the vertex.

Remember that for the general parabola:

y = a*x^2 + b*x + c

The x-value of the vertex is:

h = -b/(2a)

Then for the function:

f(x)=−2x²+8x−2

We get:

h = -8/(2*-2) = 2

Then the axis of symmetry is x = 2.

If you want to learn more about parabolas, you can read:

brainly.com/question/1480401

7 0
2 years ago
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