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Margaret [11]
3 years ago
13

If C(5,-5) and D(7,3), then what is the length of CD?​

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0

Answer:

≈ 6.16

Step-by-step explanation:

Calculate the distance (d) using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = C(5, - 5) and (x₂, y₂ ) = D(7, 3)

d = √ (7 - 5)² + (3 + 5)²

  = √ 2² + 8² = √ 4 + 64 = √68 ≈ 6.16 ( to 2 dec. places )

dlinn [17]3 years ago
6 0

Answer:

your 21 and need help u slow

ask someone else

Step-by-step explanation:

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Help me for this question please​
stealth61 [152]

Answer:70 degrees and 150 degrees

Step-by-step explanation: The angles of a quadrilateral add up to 360. So the sum of the two angles is 360 - (55+ 85) = 220.

After that you can model the sum of the angles with an equation:

7x + 15x = 220

22x = 220

x = 10

then you plug in x for each angle 7(10) = 70 and 15(10) = 150

7 0
3 years ago
Read 2 more answers
Help asap
kiruha [24]

Answer: (1) d, f     (2) c, d, f     (3) e, f      (4) a, b, c, d, f     (5) e, f

<u>Step-by-step explanation:</u>

a) Natural Numbers:            1, 2, 3, ...

b) Whole Numbers:          0, 1, 2, 3, ...     <em>(add zero to the Natural numbers)</em>

c) Integers:   ..., -3, -2, -1, 0, 1, 2, 3, ...   <em>(add negatives to the Whole numbers)</em>

d) Rationals: Add terminating and repeating decimals to Integers.

************

e) Irrationals: Non-repeating decimals that are non-terminating.  <em>This is its own category so cannot be a Rational number or above.</em>

f) Real Numbers: ALL of the above (a - e) are Real numbers.

1) -5.2  has a terminating decimal so it is a RATIONAL number.

2) -4  is below zero so is an INTEGER which means it is also a RATIONAL #

3) -4.3212... is a non-terminating decimal so it is an IRRATIONAL number

4) \sqrt4 = 2 is a NATURAL number which means it is also a WHOLE number, INTEGER, and RATIONAL number.

5) \sqrt7  is a non-terminating decimal so it is an IRRATIONAL number

6 0
3 years ago
PLEASE HELP ASAP
Viktor [21]
In Distributive Property it would be:

2(4 + 22)

Then, multiply 2*4 and 2*22 and add ur answers:

8 + 44

So the total cost is: $52
4 0
3 years ago
I'd very much appreciate it if you helped me out! I'm running low on time and need answers :(((
il63 [147K]
Go with C! I’m sorry if it’s wrong. the reason why i think it’s c is because it’s at a right angle, it’s not an acute because an acute is smaller than 90 degrees and the reason for why it’s not A is because all the sides aren’t equal
4 0
3 years ago
Elmer loves! He started with 150 rabbits but the number keeps doubling every year. How many rabbits will Elmer have after five y
Citrus2011 [14]

Answer:

2400 rabbits

Step-by-step explanation:

1st year: 150

2nd year: 300 (150+150)

3rd year: 600 (300+300)

4th year: 1200 (600+600)

5th year: 2400 (1200+1200)

(this is possibly wrong actually)

5 0
3 years ago
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