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3 years ago

How many different ways can the first twelve letters of the alphabet be arranged?

2 answers:

4 0

So there are 12 spaces right. In first blank u have a choice to fill any of the alphabet .(first twelve alphabets) and it goes down to just 1 letter in the last space. but do i just multiply them.

hope dis helps

photoshop1234 [79]3 years ago

4 0

12!
12!=12*11*10*9*8*7*6*5*4*3*2*1
=479001600

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Tesa and Vivienne share £96 in the ratio 5:3. How much does Tesa receive?

True [87]

Answer:

Tessa receives £60

Step-by-step explanation:

The ratio is 5:3 so 5+3=8 which is then what you use to divide 96

96/8=12

12x5(the 5 comes from the ratio for Tess) is 60 therefore she receives £60

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3 years ago

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Is is square root of 1.6875 a rational number

mamaluj [8]

Question:

Is square root of 1.6875 a rational number ?

Answer:

Square root of 1.6875 a rational number is not a rational number

Solution:

Given that we have to find square root of 1.6875 and determine if it is rational number or not

Let us first find square root of 1.6875

$\sqrt{1.6875} = 1.29903810568$

Let us understand about rational number

A rational number is a number that can be expressed as a fraction (ratio) in the form $\frac{p}{q}$ where p and q are integers and q is not zero.

When a rational number fraction is divided to form a decimal value, it becomes a terminating or repeating decimal.

So the number 1.29903810568 is not a rational number

In other words we can say,

Only the square roots of square numbers are rational. Here 1.6875 is not a perfect square. So it is not rational number

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3 years ago

Which explains the error Krista made?

MariettaO [177]

A is the right option! Because 0.40 should be in second equation with the x to represent the number of stamps multiply by 40 cents.

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3 years ago

The diameter of a small gear is 16 cm. This is a 2.5 cm more than 1/4 of the diameter of a large gear. What is the diameter of t

eimsori [14]

The large gear has a diameter of 54 CM.

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3 years ago

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Savings account A has 1500 and pays 3.5% interest yearly. Savings account B has 1400 and pays 4% interest yearly. the savings ac

Alex73 [517]

To find these numbers, we do this:
Savings Acc A:
1.35(1500) = 2025
Savings Acc B:
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3 years ago

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