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lions [1.4K]
3 years ago
14

Martinez twins are trying to find a way to make money

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

Step-by-step explanation:

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List two pairs of fractions with a product of 6/40
puteri [66]

Answer:

The product of two fractions can be calculated as follows:

\frac{a}{b}\cdot \frac{c}{d}=\frac{a \cdot c}{b \cdot d}

So, the numerator is the product of the numerators of the two fractions, and the denominator is the product of the denominators of the two fractions.

In this problem, we know that the product is 6/40, so:

ac = 6\\bd = 40

This means:

c=\frac{6}{a}\\d=\frac{40}{b}

So we just need to find 2 pairs of numbers a, b to make c and d integers.

The first choice we use is:

a = 3

b = 2

So we get:

c=\frac{6}{3}=2\\d=\frac{40}{2}=20

So the first pair of fractions is

\frac{3}{2},\frac{2}{20}

The second choice we use is:

a = 2

b = 10

So we get:

c=\frac{6}{2}=3\\d=\frac{40}{10}=4

So the second pair of fractions is

\frac{2}{10},\frac{3}{4}

8 0
3 years ago
Rewrite the expression using the distributive property and a common factor.
Anestetic [448]

Answer:

  • x(27 +24)  or  3x(9 +8)
  • 0.5(n +5)  or  2.5(n/5 +1)

Step-by-step explanation:

The distributive property of multiplication over addition tells us that the product of a value and a sum will be the same as the sum of products of the value and the sum's addends. This property can be used to add or remove parentheses from an arithmetic expression.

  a(b +c) = ab +ac . . . . expression of the distributive property

__

When applying the distributive property to a sum, the first step is to look for a factor common to the terms of the sum. That factor need not be the greatest common factor, though it is often useful if it is.

Below, we have written each expression using two different common factors.

<h3>a)</h3>

  27x +24x = x(27 +24) = 3x(9 +8)

__

<h3>b)</h3>

  0.5n +2.5 = 0.5(n +5) = 2.5(n/5 +1)

_____

<em>Additional comment</em>

Finding a common factor can make use of knowledge of multiplication tables, rules of exponents, and identities involving various functions used in algebraic expressions. It is sometimes useful to list the prime factors of each of the terms as an aid to finding a common one. Where fractions are involved, it is sometimes helpful to express them all using a common denominator.

The Euclidean Algorithm can also be useful for finding common factors.

3 0
2 years ago
What is the formula of surface area of cone and surface area of hemisphere
EleoNora [17]

Answer:

i hope it can help you!

Step-by-step explanation:

8 0
4 years ago
Simple question <br><br> Find the measure of the angle indicated.
kolbaska11 [484]
52 degrees have a good day:)
7 0
3 years ago
Read 2 more answers
Each month a manufacturing plant makes 14500 light bulbs. last month, a random sample of 200 bulbs found that 2.5% were defectiv
DanielleElmas [232]

Answer:

363

Step-by-step explanation:

Of 2.5% of 200 is 5 so we can scale that up to 14500 we get 362.5 and then we round it up to 363.

7 0
3 years ago
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