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Usimov [2.4K]
3 years ago
6

Diameter is 3.14961 inches what is the circumference

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0
d=3.14961\ in\\\\The\ formula\ of\ the\ circumference:\\\\C=d\pi\\\\substitute:\\\\C=3.14961\pi\ in\approx9.89479\ in
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What is the perimeter and area of the figure?
Rudiy27

Perimeter is the sum of all outside dimensions:

5 + 3 + 1 + 2 + 4 + 5 = 20cm

Area = (5 x 5) - (2*1) = 25 - 2 = 23 cm^2

7 0
3 years ago
Not really sure how to do this with a negative number
Oksi-84 [34.3K]
1/2*(-1/7) =  - (1*1)/(2*7)= - 1/14

(+)*(-) = (-)

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4 0
3 years ago
Read 2 more answers
Does anyone understand this
Nataliya [291]

For this problem, 0.25 in = 50 m. So

11 in = (11 in) • (50/0.25 m/in) = 2200 m

Alternatively, if 0.25 in = 50 m, that means 1 in = 200 m. So 11 in = 11 (200 m) = 2200 m.

3 0
3 years ago
Will is twice as old as Jill. Three years ago, Jill's age was two fifths of Will's age then. How old is each now?
dimulka [17.4K]
"Will is twice as old as Jill."

                       Jill's age . . . . .   J
                       Will's age . . . . 2J .

"Three years ago . . .

                       Jill's age then . . . . .   J - 3
                       Will's age then . . . . 2J - 3

". . . Jill's age then was 2/5 of Will's age then."

                                         J - 3  =  (2/5) (2J - 3)
Multiply
each side by  5 :          5J - 15  =  2 (2J - 3)

Divide
each side by  2 :          2.5 J - 7.5  =  2J - 3 

Subtract  2J
from each side:            0.5 J - 7.5  =      -3

Add  7.5
to each side:                0.5 J           =     4.5

Multiply
each side by  2 :                J            =       9

Jill is  9  y.o. now.
Will is 18 y.o. now.

4 0
3 years ago
Please help me, I'm so lost! If you can explain it to me, I will give brainliest!
Alex Ar [27]

Answer:

     40

y = ----

      3

Step-by-step explanation:

5 0
2 years ago
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