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miss Akunina [59]
3 years ago
12

Rolando is making buttons that are shaped like circles. Each button has an area of

Mathematics
1 answer:
shutvik [7]3 years ago
4 0
Lets work backwards. π r2 = 62 cm. 62 / 3.14 = 17.75. Square root of 17.75 = 4.21. Okay, now using the radius of 4.21 we will use the formula C = 2 πr. C = 2 (3.14)(4.21) = 2 (13.22) = 26.44. So the circumference of each button is approximately 26.44 cm.
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What is 4/5 x for x =5/8? HALP pls
lana [24]
1/2.That's the answer.
7 0
4 years ago
5t+5/4-1=4t-3/5<br>maths <br>class 8​
Aleks [24]

Answer:

3.4

Step-by-step explanation:

5t+5/4-1=4t-3/5. cross multiply over the bracket

(5t+5)5=(4t-3)(4-1)

25t + 25 = -16t -4- 12 - 3

Combine the like terms

25t - 16t +4t = -4-12-3-25

13t = - 44

Divide both sides by 13

3.38

3.4 approximately

6 0
3 years ago
Many practical applications require calculations of area. some of these calculations are straightforward, but others are more di
pochemuha
Area of a rectangle is given by multiplying the length and the width

Let's length be 'l' and width be 'w', then the area is

A = l × w
8 0
4 years ago
PLEASE HELP ME ASAP ITS A EXAM
bearhunter [10]

Answer:

6x = 48, 180/z = 90, and 10y + 8 + 138 = 180

Step-by-step explanation:

48 and six x are vertical angles they form a kind of x so they are complementary or equal

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the same thing is true for 10y + 8 its supplementay with 138 so 10y + 8 + 138 = 180

7 0
3 years ago
What is the address of the element -5 in the matrix below?
Musya8 [376]

we have to find address of element -5 in the matrix

We know that

horizontal line represents number of rows

vertical line represents number of columns

We can see that

-5 is in third row

and -5 is in second column

Suppose, we have element in matrix

b_m_n

Here , m is number of rows

and n is number of columns

so, we got

m=3

n=2

now, we can plug these values

and we get

b_3_2............Answer


4 0
4 years ago
Read 2 more answers
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