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boyakko [2]
3 years ago
5

In the diagram below, AB is parallel to CD. What is the value of x?

Mathematics
1 answer:
Fittoniya [83]3 years ago
3 0

Answer:

can you post a pic or something????

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Please help ASAP it is due today
Dmitrij [34]

Answer:

Step-by-step explanation:

What we know

total sum of angles = 540 deg

3/2 b cam also be written as 1.5b degrees.

So 1.5b + (b+45) + (2b - 90) +90 = 540

Step 1 -- get rid of parenthesis

         1.5b + b + 45 +2b -90 +90 =540

Step 2 -- combine the like expressions

         4.5b + 45 = 540

Step 3 -- subtract 45 from both the sides

         4.5b = 495

Step 4 -- divide 4.5 from both the sides

         b = 110  ----- not the right answer

Thats not right okay im sorry

but i guess if it is not 110 it should be 100, 90 etc.

90 = b is correct

4 0
3 years ago
Suppose the Bainters purchase the $150,000.00 home with a 20% down payment, a 30-year mortgage, and an interest rate of 4.2%. An
Elden [556K]

Answer:

  $809.32

Step-by-step explanation:

The loan amount is 80% of $150,000, or $120,000. The monthly payment of principal and interest is $586.82.

The total annual expense for taxes and insurance is $1920 +750 = $2670, so the monthly expense is $2670/12 = $222.50.

Then the total of payments for mortgage and escrow will be ...

  $586.82 +222.50 = $809.32

__

The monthly P&I payment is given by ...

  A = P(i/12)/(1 -(1 +i/12)^(-12t)) . . . . . where i is the annual interest rate, t is the number of years, and P is the amount financed.

  A = $120,000(0.042/12)/(1 -(1 +0.042/12)^(-12·30)) ≈ $586.82

__

A spreadsheet or financial calculator can be useful for calculating payments, though the formula isn't difficult to use.

7 0
3 years ago
In rectangle KLMN, KM = 9x+26 and LN = 84.5. Find the value of x.
Alex777 [14]

Answer:

x = 6.5

Step-by-step explanation:

square is rectangle

9x+26 = 84.5

84.5 - 26 = 58.5

9x = 58.5

x = 58.5 divided by 9

x = 6.5

4 0
3 years ago
Find the number of sides of a regular polygon with an interior angle measuring 120 degrees
Svetllana [295]

Answer:

Using the attached formula:

Number of sides = 360 / (180 - one interior angle)

Number of sides = 360 / 60

Number of sides = 6

Step-by-step explanation:

6 0
3 years ago
Which lines are perpendicular to the line y - 1 = 1(x+2)? Check all that apply.
Drupady [299]

Answer:

The general equation of the lines that are perpendicular is:

y=-x+b

b can by any number.

Step-by-step explanation:

The equation of a line is given by:

y=mx+a

where m is the slope and b is the intercept

The equation of a perpendicular line to the previuos one is:

y=- \frac{1}{m} x+b

That means that the slope of a perpendicular line is inverse and sign opposite to the other line.

Hence, the equation given is:

y - 1 = 1(x+2) \\ y=x+2+1 \\ y=x+3

m would be:

m=1

So the perpendicular slope would be:

- \frac{1}{m}=- \frac{1}{1} =-1

The general equation of the lines that are perpendicular to y=x+3 is:

y=-x+b

b can be any number

In attached picture:

y=x+3 is the red line

y=-x+b is the blue line

7 0
3 years ago
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