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Sedbober [7]
3 years ago
5

Simplify the expression3x 3√648x4y8

Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

= 1296x √ xy

Step-by-step explanation:

Apply exponent rule: a^b . a^c = a^b + c    3 . 3 = 3^ 1 + 1

= x . 3^1+1 √648x . 4y . 8

Add the numbers: 1 + 1 = 2

= x . 3^2 √648x . 4y . 8

= 3^2 . 144x √ xy

Refine

= 1296x √ xy

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Aleksandr [31]

Answer:

1. x = 12

2. x = 5

Step-by-step explanation:

1. -222 = -2x - 12x - 54

-222 = -14x - 54

-168 = -14x

x = 12

2. 154 = 2x + 12x + 84

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4 0
3 years ago
What is six times five over eight
Aleks [24]

Offmind's Answer:

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Offmind's Step-by-step explanation:

6 x 5 = 30

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3.75 in Fraction Form = 3\frac{3}{4}

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8 0
2 years ago
1. Find the percent markup.
krek1111 [17]

\mathbb{ \ \underline{ \:  \:  ANSWER  : }}

1. Find the percent markup.

Markup ($) = percent markup (%) x original cost ($)

A computer store buys a laptop for $635 directly from the manufacturer (Dell). The markup is $570. What is the percent markup on the computer?

The percent markup is: <u> </u><u>90</u><u> </u>%

\mathbb{ \ \underline{ \:  \:  SOLUTION    : }}

FORMULA: Percent of Markup = Markup/Cost x 100

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7 0
3 years ago
What is 8 4/5 - 1 2/4
Alexus [3.1K]

Answer:

8 \frac{4}{5} - 1 \frac{2}{4} = 7 \frac{3}{10}

Step-by-step explanation:

Convert the mixed number to improper fractions, then find the LCD ( least common denominator ) and combine.

You can write your answer in -

Exact Form :

\frac{73}{10}

Decimal Form :

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Davinia.

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dusya [7]

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Step-by-step explanation:

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