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Alekssandra [29.7K]
3 years ago
5

Which number is the principal square root of 49

Mathematics
2 answers:
elena55 [62]3 years ago
7 0
The square root of 49 is 7 because 7 squared (7x7) is 49
Yuliya22 [10]3 years ago
6 0
49 Squared is 7 
If you take 49 and divide it by seven you get 7
Or if you multiply 7 by 7 you get 49
So your answer is 7.
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Unit 3 | Lesson 9
Charra [1.4K]
The formula d = rt gives the distance traveled in time t at rate r. A bicyclist rides for 1.5 hours and travels 25 miles. 
d= D. 37.5 miles per hour
r= 25
t=1.5
25*1.5
=37.5

D.
37.5 miles per hour
5 0
3 years ago
A. x-int:-0.5,y-int:1<br>B. x-int:0.5,y-int:1<br>C. x-int:-0.5,y-int:-1<br>D. x-int:1,y-int:0.5
hodyreva [135]
The correct answer is:  [D]:  " <span>x-int : 1 ,  y-int:  0.5  " .
_____________________________________________________
Note:
_____________________________________________________
The "x-intercept" refers to the point(s) at which the the graph of a function (which is a "line", in this case) cross(es) the "y-axis".  

In other words, what is (are) the point(s) of the graph at which "x = 0<span>" ?
</span>
By examining the graph, we see that when " x = 0" ; y is equal to:  "1<span>" .
</span>
So; the "x-intercept" is at point:  "(0, 1)" ; or, we can simply say that the 
   "x-intercept" is:  "1" .
_________________________________________________________</span>  Note:
_____________________________________________________
The "y-intercept" refers to the point(s) at which the the graph of a function (which is a line, in this case) cross(es) the "x-axis".  

In other words, what is (are) the point(s) of the graph at which " y = 0 <span>" ?
</span>
By examining the graph, we see that when " y = 0 " ; x  is equal to:  "0.5<span>" .
</span>
So; the "x-intercept" is at point:  "(0.5, 0)" ; or, we can simply say that the 
   "y-intercept" is:  "0.5 " .<span>
______</span>_________________________________________________
This would correspond to:<span>
_______________________________________________________
           Answer choice:  [D]:  </span>" x-int: 1 , y-int: 0.5  " .
_______________________________________________________
     {that is;  The "x-intercept" is: "0" ; and the "y-intercept" is:  "0.5 ".} .
_______________________________________________________
5 0
3 years ago
the graph of the equation below is a circle. what is the length of the radius of the cirlce? (x+5)2+(y+7)2=21^2
zloy xaker [14]

the radii would equal 7.5

8 0
3 years ago
From 1965 to 1996 Canadian Gary Duschi made the world's longest gum wrapper chain. It was 18,721 feet long. About how many miles
jok3333 [9.3K]
It would be about 3.5 miles long so you chose 3 miles or 4 miles i would go with (4 miles)
6 0
3 years ago
Find the area of a circle with radius, r = 6.48m. Give your answer rounded to 2 DP.
Artyom0805 [142]

Answer:

Area = 131.9167322

Step-by-step explanation:

I'm not sure what 2 DP means so you will need to do that part.

area=pi*radius^2

area=3.14*42 (approx)

4 0
3 years ago
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