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hammer [34]
3 years ago
14

2⁄5 + 3⁄7 + 5⁄6 = is what?

Mathematics
1 answer:
igomit [66]3 years ago
4 0

Answer:1.661905 or 349/210 Or 1 139/210

Step-by-step explanation:

2⁄5 + 3⁄7 + 5⁄6

29/35+5/6

349/210

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Item 16 The variables x and y vary directly. Use the values to find the constant of proportionality, k. Then write an equation t
masya89 [10]

Answer:

k = 2

x = 2y

Step-by-step explanation:

If variables x and y vary directly, this is expressed as;

x ∝ y

x = ky

k is the proportionality constant

Let's assume the value of x and y since we are not given;

x = 20

y = 10

Substitute

20 = k(10)

10k = 20

k = 20/10

k = 2

Hence the constant of proportionality is 2

Substitute i=k = 2 into the equation x = ky

x = 2y

Hence an equation that relates x and y is x = 2y

<em>Note that the values here are assumed value, you can use the same method for any values of x and y</em>

4 0
3 years ago
Find the area of the shaded region <br>​
tatiyna

Answer:

9.82 inches²

Step-by-step explanation:

both areas are equally sized, so they are both half of the whole circle.

circle area : pi × r²

half of the circle area is therefore pi × r² / 2

the picture gives us the diameter of the circle, the radius is half of the diameter.

=> r = 5/2 = 2.5

=> shaded area = pi × r² / 2 = pi × (2.5)² / 2 = 9.82 inches²

4 0
4 years ago
PLEASE HELP ASAP!!! 14 POINTS!!!
GalinKa [24]
The Answer is A: 255.4 I took the test
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3 years ago
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A rectangle has side lengths of (2x+3) and (3x - 4).
Sergeu [11.5K]

Answer:

Area=6x^2+9x-12       Perimeter= 5x-1

Step-by-step explanation:

when finding the are of a rectangle you multiply both sides together.

(2x+3)*(3x-4)

Distributive Property

6x^2-8x+9x-12

Simplify

6x^2+x-12

To find the Perimeter you have to add both sides

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5x-1

4 0
3 years ago
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Kipish [7]

Answer:

i cant see the pic sorry

Step-by-step explanation:

5 0
3 years ago
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