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Margaret [11]
4 years ago
13

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

Mathematics
2 answers:
Aleks04 [339]4 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]4 years ago
6 0

Answer:

your 21 and need help u slow

ask someone else

Step-by-step explanation:

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It takes Jeremy 6 hours to paint a room. If it takes 4 hours for Jeremy and Marcus to paint the room together, how long does it
ASHA 777 [7]

Answer:

12 D. Is the answer

Step-by-step explanation:

The equation we will use is  

1

6

+  

1

x

=  

1

4

. Solve the equation by multiplying each term by the LCM of the denominator, 12x. The equation is now 2x + 12 = 3x. We solve and find x = 12. It will Marcus 12 hours to paint the room alone.

7 0
3 years ago
Find the exact trigonometric value:<br> sin 255
wariber [46]

Answer:

−0.965925826289068

Step-by-step explanation:

sin 255 = −0.965925826289068

6 0
3 years ago
Read 2 more answers
At CD Shack, all used CDs are the same price. Jesse spent $54 and Mimi spent $66 on used CDs. What is the most each used CD coul
Alinara [238K]
Hey there
__________
The correct answer is
Whatever each CD costs, what each person paid is that cost times the number of CDs purchased (no sales tax for this problem).
So, the price of one CD is a factor of $66 (a number of $ that divides $66 evenly).
In theory, it could be $1, $2, $3, $6, $11, $22, $66.
It could even be $0.50, $0.25, $0.20, $0.10, $0.05,...
Also, the price of one CD must be a factor of $54. such as $54,$27,$18,$9,$6,$3,$2,$1,... .
You are looking for the most that price could be.


The grew greatest price that is in both lists is $6.

How can you make those lists?
You can start with the total price, then the price divided by 2, by 3, by whatever whole number you can divide it.

Otherwise, you could find the greatest common factor of 66 and 54
from the prime factorization of both numbers.
___________________
Hope this helps you
5 0
3 years ago
I don't know how to do this, I wasn't paying attention in class
solmaris [256]

Answer:

39.837168574084177751131265854635

Step-by-step explanation:

If you plug it into a calculator, you get that.

Next time, please pay attention in class and save us all a little trouble.

7 0
3 years ago
Help please let me know if I’m wrong or right pls!!!!
Ksju [112]

Answer:

you are correct! nonlinear

Step-by-step explanation:

when this equation is graphed it forms a curved line-- making it non linear :)

4 0
3 years ago
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