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3 years ago

To find the difference of 7- 3 5/12 how do yu rename the 7

1 answer:

6 0

Since we need them to be fractions, 7 could be 7/1. but now we need a common denominator, so lets find one!

7*12 = 84
1*12 = 12

Answer: 84/12

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Whats the value of 3x^2 + 5x when x=3 . show woro please if you can.

lubasha [3.4K]

Answer:

Step-by-step explanation:

3x^2 +5x

Let x=3

3(3)^2 +5(3)

3*9 +15

27+15

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2 years ago

15) An arena has 49 000 seots that sell for

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2 years ago

Rewrite the rational exponent as a radical by extending the properties of integer exponents.

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$\bf ~~~~~~~~~~~~\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} \qquad \qquad \cfrac{1}{a^n}\implies a^{-n} \qquad \qquad a^n\implies \cfrac{1}{a^{-n}} \\\\\\ \textit{also recall that }a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} \qquad \qquad \sqrt[ m]{a^ n}\implies a^{\frac{ n}{ m}} \\\\ -------------------------------$

$\bf \cfrac{11^{\frac{2}{5}}}{11^{\frac{1}{4}}}\implies 11^{\frac{2}{5}}\cdot 11^{-\frac{1}{4}}\implies 11^{\frac{2}{5}-\frac{1}{4}}\implies 11^{\frac{8-5}{20}}\implies 11^{\frac{3}{20}} \\\\\\ \sqrt[20]{11^3}\implies \sqrt[20]{1331}$

5 0

3 years ago

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Zoey needed to get her computer fixed. She took it to the repair store. The

cricket20 [7]

Explanation

x = Amount paid one hour

205.25 - 59 = 146.25

3.25x = 146.25

x = 146.25 ÷ 3.25

x = 40

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3 years ago

Luke saves 10p coins and 20p coins he has 3 times as many 10p coins as 20p coins a total of 17 pounds how 10p coins does he have

Lena [83]

Answer:

10p coins does he have 102

Step-by-step explanation:

given data

saves= 10p coins and 20p coins

total = 17 pounds

to find out

how 10p coins does he have

solution

we consider here no of 20p coin = x

so equation will be here

3 × 10 x +20 x = 1700

30 x + 20 x = 1700

x = 34

so that

10p coins = 3 time × 34 = 102

20p coins = 34

so that 10p coins does he have 102

5 0

3 years ago

Read 2 more answers