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arsen [322]
3 years ago
5

The interior angles formed by the sides of a quadrilateral have measures that sum to 360 degrees. what is the value of x? enter

your answer in the box
x =_____

Mathematics
1 answer:
kicyunya [14]3 years ago
3 0

Answer:

x = 59

Step-by-step explanation:

since the quadrilateral add up to 360 degrees,

X + X + (2x + 3 ) + (2x + 3) would equal 360 degrees

x + x + (2x + 3) + (2x + 3) = 360

6x + 6 = 360, addtion

6x = 354, subtraction

x = 59, division

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3 years ago
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Last month a museum received €21000 in donations.After taking off the cost of monthly bills,,the museum spent the remaining mone
Rainbow [258]

Answer:

$13,500.

Step-by-step explanation:

Let x represent money spent on monthly bills.

We have been given that last month a museum received €21000 in donations. The ratio of bills to donations was 5:14.

We will use proportions to solve our given problem.

\frac{\text{Bills}}{\text{Donations}}=\frac{5}{14}

\frac{x}{21000}=\frac{5}{14}  

\frac{x}{21000}*21000=\frac{5}{14}*21000

x=5*1500

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Therefore, they spent $13,500 on new exhibitions.

6 0
3 years ago
Explain how you would factor 9x^2 – 49 show your work and use complete sentences. what is this special type of factoring called?
tatuchka [14]
9x² - 49

(3x)² - (7)²

= (3x + 7)(3x - 7)

This type of factoring is called Difference of Two Squares

where x² - y² = (x + y)(x - y)
3 0
3 years ago
HELP<br> PLEASE HELP ME ON THIS ASAP WITH STEP BY STEP JUST PLEASE HELPPP
Nastasia [14]

Answer:

  1)  16

  2a)  100 -a -2b

  2bi)  (100 -a -2b)/4

  2bii)  11

Step-by-step explanation:

1. Put the numbers where the corresponding variables are and do the arithmetic.

  (2(1) +3(-2))^2 = (2 -6)^2 = (-4)^2 = 16

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2. The pieces cut from the wire have the lengths a, b, b. The sum of those lengths is a+b+b = a+2b.

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2bi. The perimeter of the square is the amount in part (2a). A square has 4 sides of the same length, so each side has a length that is 1/4 of the perimeter. The side length is ...

  (100 -a -2b)/4 . . . . length of one side of the square

2bii. Fill in the given values for "a" and "b" and do the arithmetic.

  (100 -24 -2(16))/4 = (76 -32)/4 = 44/4 = 11 . . . one side of the square

3 0
2 years ago
Four angles are formed by the intersection of the diagonals of this quadrilateral. Which statement is NOT true?
DIA [1.3K]

Answer:

no picture

Step-by-step explanation:

8 0
2 years ago
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