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Dahasolnce [82]
3 years ago
13

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Mathematics
1 answer:
tester [92]3 years ago
8 0
The answer is going to be 2*sqrt(5). You have to split it into perfect squares for it to be simplified... so in this case, I had sqrt(4*5) because sqrt(4) can be simplified... so your answer would be sqrt(4)*sqrt(5) or 2sqrt(5)

You might be interested in
A function is defined by f(x)=6x +15 . What is f(2.5)?
icang [17]

Answer:

f(2.5)=30

Step-by-step explanation:

f(2.5)=6(2.5)+15     plug in 2.5 for x

f(2.5)=15+15           multiply 2.5 by 6

f(2.5)=30                add

3 0
3 years ago
Y= 5x -3 what does y=
irga5000 [103]

Answer:

15

Step-by-step explanation:

6 0
3 years ago
If you multiply me by 2, I become a number greater than 20 and less than 40 who am I
Alika [10]
Well there are many numbers, starting from 11 though 19.
11 times 2 = 22    12 times 2 = 24   13 times 2 = 26    14 times 2 = 28    15 times 2 = 30      16 times 2 = 32     17 times 2 = 34    18 times 2 = 36     19 times 2 = 38
so basically from any number from 11 through 19.
Hope i helped! :D

8 0
3 years ago
Find the value of x <br> do 5 and 7
lbvjy [14]

Answer:

#5 = 14.4

#6 = 8.4

Step-by-step explanation:

8 0
3 years ago
The diagram shows a track composed with a semicircle on each end. The area of the rectangle is 8,400 square meters. What is the
MrRa [10]

Answer:

468.4 meters

Step-by-step explanation:

Find the width of the rectangle.

The area of a rectangle is A=length*width. Substitute the values of length and area and solve for width.

A=length*width

8,400=140*width

60= width

Use the width of the rectangle to find the circumference of the semicircles. Since each semicircle is half of a​ circle, the perimeter of the two semicircles is equal to the circumference of one circle.

The circumference of a circle is equal to pi​d, where d is the diameter. The diameter of the semicircle is the same as  the width of the rectangle.

​So, the diameter is 60 meters. Substitute the diameter into the formula for the circumference and simplify using 3.14 for pi.

≈188.4

(2 times 140)+ 188.4

​So, the perimeter of the track is 468.4 meters.

7 0
3 years ago
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