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aivan3 [116]
3 years ago
8

The radius of a circle is 16 cm. Find its area in terms of pi

Mathematics
1 answer:
anzhelika [568]3 years ago
8 0
Area is 804.25 if the radius is 16cm
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A gardener measured the heights of two plants at the end of every week. The function y=3x+8.5 gives the hight of plant a in cent
MAVERICK [17]

Answer:

12 weeks

Step-by-step explanation:

Step one:

given data

let the heights of the plants be y

and the number of weeks be x

Plant A

y=3x+8.5--------------1

Plant B

y=2.5x+14.5----------2

Required

The number of weeks taken for both plants to have the same height

,equate the two expressions above

3x+8.5=2.5x+14.5

3x-2.5x=14.5-8.5

0.5x= 6

divide both sides by 0.5

x= 6/0.5

x= 12 weeks

6 0
3 years ago
What is the GCF of 8 and 24?
Marysya12 [62]

The factors of 8 are 1, 2, 4, and 8.


The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.


The largest factor that is in both these lists is 8, therefore, the greatest common factor os 8 and 24 is 8.


Hope this helped! (:

3 0
3 years ago
Read 2 more answers
What is the value of b2-4ac for the following equation? 5x2+7x=6​
poizon [28]

Answer:

169

Step-by-step explanation:

Given data

The function is

5x^2+7x=6​

rearrange

5x2+7x-6=0

From the above expression, we can see that

a=​5

b=7

c=-6

Substitute into the expression b^2-4ac

=7^2-4*5*-6

= 49-(-120)

=49+120

=169

Hence the answer is 169

8 0
3 years ago
Please help me with this problem, and can you also show steps. thank you
Maurinko [17]
Convert all the improper fractions into mixed numbers, then simplify. Then, you do the operations.
7 0
3 years ago
Read 2 more answers
Problem page the length of a rectangle is four times its width. if the perimeter of the rectangle is 70 cm , find its area.
agasfer [191]
So we can call the width of the rectangle x.
So then the length would be 4x.
The perimeter would then be 10x.
Since the perimeter is 70, we can say 70 = 10x.
And then simplify that to 7 = x.
So the length of a rectangle would be 28 cm, and the width would be 7.
So to find the area, just multiply length by width.
28*7 = 196 square cm
So the rectangle's area is 196 square cm.

I hope I helped!
5 0
3 years ago
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