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algol13
3 years ago
15

Consider parallelogram ABCD. If AC¯¯¯¯¯¯¯¯=2x+15 and BD¯¯¯¯¯¯¯¯=5x−12, what does the value of x need to be so that the parallelo

gram is a rectangle?
A: 1
B: -9
C: 9
D: 3/7
Mathematics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

9

Step-by-step explanation:

I took the quick check

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Copy center prints black and white or colored copies. Yesterday, they printed 9 black and white copies for every 2 colored. If t
Alinara [238K]

Answer:

The answer to your question is 900 black and white copies

Step-by-step explanation:

Data

9 black and white copies for every 2 colored

printed 200 color copies

black and white copies = ?

Process

                 This is a proportion exercise

                         BW : C ::  bw : c

                          9 : 2 ::  bw : 200

                         bw = 200(9) / 2

                         bw = 1800 / 2

                         bw = 900 copies

3 0
3 years ago
HELP GEOMETRY find x and y
GenaCL600 [577]
A well-known formula gives us that y = \frac{6x-3x}{2} = \frac{3x}{2}.  Additionally, the sum of the angles in a circle is 360, so 6x+3x=9x=360, so x=40^\circ.  Therefore, y = 60^\circ.
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3 years ago
What is the value of the expression -5/8 ?
aleksandrvk [35]

Answer:

-0.625

Step-by-step explanation:

-5/8=-0.625

8 0
3 years ago
5/9 4.9 meters tall ratio
Keith_Richards [23]
5 + 9 = 14

4.9 / 14 = 0.35

0.35 * 5 = 1.75

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The answer is 1.75 / 3.75
8 0
3 years ago
What is the equation of the following line? Be sure to scroll down first to see
valina [46]

Answer:

40-2?

Step-by-step explanation:

well it sort of makes sense because there are 2, 0's and then a 4 and after -2

i hope i helped

4 0
3 years ago
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