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Ilia_Sergeevich [38]
3 years ago
15

London has a collection of 260 coins. How many coins represent 25% of her collection?

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
8 0

Answer:

65 coins

Step-by-step explanation:

Set this problem up with a porportion.

\frac{?}{260} \frac{25}{100}

After that, cross multiple and divide.

25 times 260. Then divide by 100. That is then your answer.

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Help me<br> On this pleaseee
Evgen [1.6K]
2 rectangle shaped
1) Length = 160 mi ; Width = 40 mi
2) Length = 440 mi - 160 mi ; Width = 240 mi - 70 mi

1 triangle shape
1) base = 70 mi ; height = 440 mi - 160 mi

Area Rectangle 1 = 160 mi * 40 mi = 6,400 mi²
Area Rectangle 2 = 280 mi * 170 mi = 47,600 mi²
Area Triangle 1 = ((440 mi - 160 mi) * 70mi)/2 = (280mi * 70mi)/2 = 9,800 mi²

Total Area = 6,400 mi² + 47,600 mi² + 9,800 mi² = <span>63,800 mi²</span>
4 0
4 years ago
Find the area of a circle with a diameter of six. Either enter an exact answer in terms of pie or use 3.14 for pie and enter you
miss Akunina [59]

Answer:

The area of the circle is 28.26

The area of the circle in terms of pi is 9π

Step-by-step explanation:

radius = half of diameter

d = 6

r = 6/2 = 3

To solve this problem we need to use the area formula of a circle:

a = area

r = radius = 3

π = pi

a = π * r²

we replace with the known values

a = π * (3)²

a = π * 9

a = 9π

The area of the circle in terms of pi is 9π

9 * 3.14 = 28.26

The area of the circle is 28.26

4 0
3 years ago
Is (ab^2) equivalent to ab^2? Explain.
Zarrin [17]

Answer: yes it is equivalent!

Step-by-step explanation:

all you do is take away the parentheses and then it is the same exact thing!

6 0
3 years ago
Read 2 more answers
Suppose your friend's parents invest $10,000 in an account paying 4% compounded annually. What will the balance be after 9 years
LiRa [457]

Answer:

$14233.12

Step-by-step explanation:

10,000(1+.04/1)^1(9)

5 0
3 years ago
If OK = 2x, QR = 12, and RT = x + 3, what is the length of chord KM?
shusha [124]

you have to be kidding me

8 0
3 years ago
Read 2 more answers
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