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3 years ago

the ratio of apples to oranges is 5 : 3. There are 21 oranges in the bowl. How many apples are in bowl?

Mathematics

2 answers:

Sophie [7]3 years ago

8 0

Answer:

35 Apples

35:21

Step-by-step explanation:

21 Oranges divided by 3=7

7 Oranges X 5 Apples=35

if there's 3 oranges per 5 apples

you would do 21/3=7

no since there's 5 for every 3

you would multiply 5 by the number you got after diving by 3

then multiply that answer by 5

because you divided it by 3 to make it "to scale" so now you have to re-multiply it by 5

Rus_ich [418]3 years ago

3 0

Answer: 35 apples

Step-by-step explanation:

21/3 = 7

5 * 7 = 35

5 * 7 : 3 * 7

35 : 21

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The area of the square is 9 in^2

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Side of square = √9 = 3 inches.

The side of the square is the diameter of the inscribed circle.

Circumference of a circle is PI x diameter.

Circumference of inscribed circle = 3.14 x 3 = 9.42 inches

The diameter for the circumscribed circle would be the diagonal of the square which is 3√2 = ( Side length x √2) ≈ 4.2426

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4 years ago

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melomori [17]

A dozen of doughnuts cost $5 and a dozen of croissants cost $6.

Step-by-step explanation:

Let,

Cost of 1 dozen doughnuts = x

Cost of 1 dozen croissants = y

According to given statement;

7x+3y = 53 Eqn 1

x+5y = 35 Eqn 2

Multiplying Eqn 2 by 7

$77(x+5y = 35)\\x+35y=245\ \ \ Eqn\ 3$

Subtracting Eqn 1 from Eqn 3

$(7x+35y)-(7x+3y)=245-53\\7x+35y-7x-3y=192\\32y=192$

Dividing both sides by 32

$\frac{32y}{32}=\frac{192}{32}\\y=6\\$

Putting y=6 in Eqn 2

$x+5(6)=35\\x+30=35\\x=35-30\\x=5$

A dozen of doughnuts cost $5 and a dozen of croissants cost $6.

Keywords: linear equation, elimination method

Learn more about elimination method at:

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3 years ago

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hammer [34]

I think it would be Six

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4 years ago

Solve for x. 7(x - 3) = 4x + 5) Ox=1/11 O x = 41/11 O x = 41/3 Ox= 1/3

irina [24]

Answer:

x=26/3 um this is right but its not on your screen .......I HOPE THIS HELPED

Step-by-step explanation:

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3 years ago

the ratio of apples to oranges is 5 : 3. There are 21 oranges in the bowl. How many apples are in bowl?​

the ratio of apples to oranges is 5 : 3. There are 21 oranges in the bowl. How many apples are in bowl?