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noname [10]
2 years ago
8

Find the distance between ( - 10 , - 7 ) and ( - 8 , 1 ).

Mathematics
1 answer:
nevsk [136]2 years ago
8 0

Answer:

The distance point between (-10, -7) and (-8, 1) is 6

Step-by-step explanation:

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Evaluate 5a+3b and (5+a)(3+b) for a=2 and b=4. How is the order of the steps different for the two expressions?
Lynna [10]
5a+3b
5(2)+3(4)
10+12
22

(5+a)(3+b)
(5+2)(3+4)
(7)(7)
49

The order of the steps differ for the two expressions because for the first expression, you multiply 5a and 3b first. Then, you add them together. However, for the second expression, you add what's inside the parenthesis first then multiply them. So, the order of the steps is the opposite of the other expression. 
7 0
2 years ago
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Dominik [7]
C Bill drove at a rate that was 10 mph faster than the rate Kevin drove
8 0
2 years ago
A circle has a radius of 18 and a center at (10,-9). Find the equation of the circle.
gulaghasi [49]

Answer:

(x-10)²+(y+9)²= 324.

Step-by-step explanation:

For this question, you will need to substitute these values into the equation of a circle:

(x-h)²+(y-k)²= r²

'h and k' represent the center points, and 'r' represents the radius.

This will result in:

(x-10)²+(y+9)²=324.

4 0
3 years ago
Find the perimeter and area of a rectangle with the following length and breadth:
Vikentia [17]

Answer:

perimeter: 2(l+b) , area : multiply by breadth

Step-by-step explanation:

perimeter: 2(10.5+5.5)

               :206.5m ans

area: 10.5multiply bye 5.5

      :57.75m ans

2: perimeter: 2(15+6.8)

                   : 36.8cm ans

area : 15 multiply by 6.8

        : 102cm ans  

5 0
2 years ago
Need help plzzzzzzzzzzxx
densk [106]

9514 1404 393

Answer:

  (a)  15/17

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the cosine relation:

  Cos = Adjacent/Hypotenuse

  cos(P) = PQ/PR

  cos(P) = 15/17

8 0
2 years ago
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