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Andreas93 [3]
2 years ago
9

If a /b=p/q, then (a + b)/b= b/(a+d)

Mathematics
1 answer:
liberstina [14]2 years ago
5 0

If a /b = p/q, then (a + b)/b = b/(a+d) exists FALSE.

<h3>What is Componendo Property of fractions?</h3>

Let a, b, c, d be the four numbers, then

if a : b = c : d then (a + b) : b :: (c + d) : d.

If a : b :: c : d then (a - b) : b :: (c - d) : d.

Given equation,

$\Rightarrow \frac{a}{b}=\frac{p}{q}$$

Adding 1 on both sides of the equation, we get

$&\Rightarrow \frac{a}{b}+1=\frac{p}{q}+1 \\

$&\Rightarrow \frac{a+b}{b}=\frac{p+q}{q}

This rule exists also comprehended as the Componendo property of fractions.

Therefore, $\frac{a+b}{b}=\frac{p+q}{q}$$ then a = pb + q but the hypothesis says that

a = (p+b) / q.

If a /b = p/q, then (a + b)/b = b/(a+d) exists FALSE.

To learn more about the Componendo property of fractions refer to:

brainly.com/question/2933117

#SPJ9

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Andrea's dad is 57 kilograms heavier than Andrea. Andrea weighs 34 kilograms. how much does Andrea's dad weigh?
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Too solve this, you just do 57 + 34 which is 91.
6 0
3 years ago
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2. Jack ran 5 miles in 42.5 minutes. Jill ran 3 miles in 23.25 minutes. Who ran faster? How do you know?
Pavlova-9 [17]

Jill ran faster.  I know because I compared both of their unit rates.

Jack's unit rate is  5/42.5 = 0.118 mile per minute (rounded)

Jill's unit rate is  3/23.25 = 0.129 mile per minute (rounded)

Jill runs a greater part of a mile per minute than Jack does.
She is faster.  There's no getting around it.

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3 years ago
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20. Carmen can buy bottles of paint for $2.00 each and boxes of colored pencils for $3.50 each. She can spend no more than
EleoNora [17]

Answer:

(a) The equality that express many bottles of paint, x, and boxes of colored pencils, y, Carmen can buy is  2 x + 3.5 y = 42

b)Three different solutions:

x  = 14, y = 4 is First Solution.

x  = 7, y = 8 is Second Solution.

x  = 21, y = 0 is Third Solution.

Step-by-step explanation:

Here, the cost of 1 bottle of paint = $2.00 each

The cost of 1 box of colored pencils  = $3.5 each

Let us assume the number of bottle of paints purchased = x

So, the cost of x bottle of paints   = x ( Cost of 1 bottle of paint)

= x ($2.00)  = 2 x

Also, assume the number of box of colored pencils purchased = y

So, the cost of y box of colored pencils = y ( Cost of 1 box)

= y ($3.50)  = 3.5 y

Also, the total amount to be spent on art supplies  = $42

So, the total amount spent on x paint bottles + y box of colored pencil

= $42

or,  2 x + 3.5 y = 42

a ) So, the equality that express many bottles of paint, x, and boxes of colored pencils, y, Carmen can buy is  2 x + 3.5 y = 42

b)Three different solutions:

When y = 4 ,  equation is:   2 x + 3.5(4)  = 42

or,  2 x = 42 - 14  = 28, or x = 28/2  =  14

So, x  = 14, y = 4 is First Solution.

When y = 8 ,  equation is:   2 x + 3.5(8)  = 42

or,  2 x = 42 - 28  = 14, or x = 14/2  =  7

So, x  = 7, y = 8 is Second Solution.

When y = 0 ,  equation is:   2 x + 3.5(0)  = 42

or,  2 x = 42 , or x = 42/2  = 21

So, x  = 21, y = 0 is Third Solution.

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Answer:

Step-by-step explanation:

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Answer: 120 degrees, the total is 720 degrees, so that divided by 6 is 120

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