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777dan777 [17]
3 years ago
14

The points (-16,r) and (-4,11)lie on a line with slope 1/2. Find the missing coordinate r?

Mathematics
1 answer:
Sergio [31]3 years ago
3 0

Answer: The missing coordinate R is 5.

Step-by-step explanation:

11=1/2(-4) + B

11=-2 +B  

B= 13

B represents the y-intercept

so we will use the equation y=mx + B  and we know the slope and y intercept.

r= 1/2(-16) + 13

r= 5

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A zookeeper weighed an African elephant to be 9x10^3 pounds and an African lion to be 4x10^2 pounds. How many times greater is t
maria [59]
Answer:  22.5 .  The weight of the elephant is "22.5 times greater" than                              the weight of the lion.
_________________________________________________________
Explanation:
_________________________________________________________

(weight of lion) * (x) = (eight of the elephant)  ;  Solve for "x" .
_____________________________________________________
   → Divide each side of the equation by "(weight of lion)" ;
  to isolate "x" on one side of the equation ; and to solve for "x" ;
_________________________________________________________
    
   → (weight of lion)*(x) / (weight of lion) = (weight of the elephant) /
                                                           (weight of lion) ;
________________________________________________________
     →  x  = (weight of the elephant) / (weight of lion) ;
__________________________________________________________
     →  Plug in our "given values" ; and solve for "x" ;
__________________________________________________________
     →  x = (<span>9*10</span>³) / (4*10²) =  (9*10⁽³⁻²⁾) / 4  =  (9*10¹) / 4  ;
__________________________________________________________  
     →  x =  90 /4 = 25/2  = 22.5 ; which is our answer.
__________________________________________________________
4 0
3 years ago
The daily number of miles driven by a bus driver during a week are 50, 65, 78, 54, 53, 61, 79, and 78.
marta [7]

Answer:

C Both the mean and median are appropriate measures of center.

Step-by-step explanation:

5 0
2 years ago
The length of a rectangle is three times its width of the perimeter of the rectangle is 40 yd find its length and width
schepotkina [342]

Answer:

Step-by-step explanation:

L= 3W

Perimeter = 2(l+w) = 40

 

2(3w+w) = 40

 

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

3 0
3 years ago
Point A is at (4,5) and lies on the graph of quadratic function f.
sveta [45]
We know that

g(x)=f(2x)
the transformation of f(x) to------------> f(2x)

means that point  (a,b) in graph of  f(x) becomes a point  (a/2,b) in graph of f(2x)

therefore
point A  (4,5)-----> becomes a point (4/2,5)-----> (2,5) in the graph of g(x)

the answer  
the point is (2,5)
4 0
3 years ago
A square garden has trees 30m,50m and 40m at three successive corners.What is the area of the land ?​
Masteriza [31]

15m because if we add all of the you will get 12 but atleast you need some for backyard

8 0
2 years ago
Read 3 more answers
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