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posledela
3 years ago
10

Ben has a marble collection. three fifths of the marbles are solid colored marbles. one fifth of the marbles are cats eyes. what

fraction of the marbles are either solid colored or cats eyes
Mathematics
1 answer:
professor190 [17]3 years ago
4 0
3/5 + 1/5 = 4/5 are either solid or cat eyes
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Answer:

468.75

Step-by-step explanation:

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3 years ago
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John can reach 60 centimeters above the top of his head. If John is 2 meters tall, how high can he reach?
sineoko [7]

<em>Greetings!</em>

First, we know that <em>one</em> meter equals 100 centimeters, therefore,<em> two</em> meters equals 200 centimeters.

Here is your expression:

200 cm + 60 cm

Using our math skills, we know that 200 cm (2m) + 60 cm equals 260 cm or 2 meters and 60 centimeters.

Your answer would be 260 cm <em>or</em> 2 meters and 60 centimeters.

8 0
3 years ago
Simplify 6x^-4v^-8v^8 times 2xu^5 Use only positive exponents in your answer.
Sever21 [200]

The simplified form of the expression is (12u⁵)/x³

<h3>Simplifying an expression </h3>

From the question, we are to simplify the given expression

The given expression is

6x⁻⁴v⁻⁸v⁸ × 2xu⁵

Simplifying

6x⁻⁴v⁻⁸v⁸ × 2xu⁵

From one of the laws of indices, we have that

x⁻ⁿ = 1/xⁿ

∴ v⁻⁸ = 1/v⁸

Thus,

6x⁻⁴v⁻⁸v⁸ = (6x⁻⁴v⁸) / v⁸

Then,

6x⁻⁴v⁻⁸v⁸ × 2xu⁵ = (6x⁻⁴v⁸) / v⁸ × 2xu⁵

= 6x⁻⁴ × v⁸/ v⁸ × 2xu⁵

= 6x⁻⁴ × 1 × 2xu⁵

= 6x⁻⁴ × 2xu⁵

= 6 × x⁻⁴ × 2 × x × u⁵

= 6 × 2 × x⁻⁴ × x × u⁵

= 12 × x⁻⁴ × x × u⁵

Also, from one of the laws of indices, we have that

∴ x⁻⁴ × x = x⁻⁴⁺¹

Thus,

12 × x⁻⁴ × x × u⁵ =

= 12 × x⁻⁴⁺¹ × u⁵

= 12 × x⁻³ × u⁵

= (12 × u⁵) / x³

= (12u⁵)/x³

Hence, the simplified form of the expression is (12u⁵)/x³

Learn more on Simplifying an expression here: brainly.com/question/4198742

#SPJ1

3 0
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A book charges a membership fee of $20 and then $12 for each book purchase.
natta225 [31]
1.a y= 20+12x
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