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STatiana [176]
3 years ago
6

Prove that the diagonals of a rectangle bisect each other.

Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0

Answer:

2

Step-by-step explanation:

example A(2a,0),B(2b,0)

C(2b,2c),D(2a,2c)

mid point of AC=((2a+2b)/2,(0+2c)/2)=(a+b,c)

mid point of BD=((2b+2a)/2,(0+2c)/2)=(a+b,c)

∴midpoint of diagonals same or diagonals bisect each other.

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What is the value of y in y-5=3-9(y+2)
Irina18 [472]
Y-5=3-9(y+2). so so u are going to distribute-9 to y and 2 which is -9y-18

so u are going to add like terms 3 and -18 which is -15. so the next step is going to be y-5=-9y-15 so u are going to add 5 to -5 and -15 to balance the equation and u will get -10 .  y=-9y -10. since u are multiplying -9 by y so have to expand it y= -9 * y -10. so u have to divide y by y to get y . -9-10= -19 soo y =-19


3 0
3 years ago
Answer this question with a clear explanation to be marked as Brainiest ✨✨✨✨✨✨✨✨
Nina [5.8K]

Answer:

C

Step-by-step explanation:

A, B and D are all only a few digits long and can be expressed as the ratio of two integers, where at least one is even:

A = -6/16 = -3/8, so it's rational

B = 7.0398 = 35199/5000, so it's rational

D = 6,907 = 13814/2, therefore rational

C, on the other hand is irrational.

If we simplify the surd √8, we get 2√2. The 2's on the top and bottom can now cancel out, giving us √2, which is irrational. [There's a proof but it's kinda long].

5 0
2 years ago
What is the answer to his question
horsena [70]

Answer:

A. 720 per hour

Step-by-step explanation:

1200+ <em>720</em> + 720 + <u>360</u> =3000

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8 0
3 years ago
If the sale tax rate is 8.75% in New York State, how much sales tax would you pay for a $35 pair of pants? And at Best Buy they
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The pants are $38.06 and the television is $1,147.50.

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The total cost is $35 + 3.06 = $38.06.

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The sales tax is calculated by multiplying $1,062.50 x .08 = $85

The total price is $85 + $1,062.50 = $1,147.50

7 0
3 years ago
The checkbook balance of Roger Co. Is $982.50. The bank statement reveals a balance of $1,051.82. The bank statement showed inte
Lubov Fominskaja [6]

the balance would be 1,285.32 iam not completely sure

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3 years ago
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