2 years ago

How do you do number 15 thxxx

1 answer:

5 0

The simpliest way to do this is to turn both fractions into decimals

7/10 goes to 0.7 and 2/5 goes to 0.4

then the equation would be 0.7x + 20 = 0.4

hope I've helped!

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1 year ago

Read 2 more answers

When 9 2/3 is written in simplest radical form, which value remains under the radical?

Vera_Pavlovna [14]

Answer:

The value under the radical is 3

Step-by-step explanation:

9^(2/3) This means 9 squared then find find the cube root of the answer.

9^(2/3)=∛(9^2 )

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= ∛(3×3×3×3) = ∛(3)³ ₓ ∛3

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I hope this now shows clearly the number under the radical is 3.

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1 year ago

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KonstantinChe [14]

The estimated sum is 30.

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3 years ago

Sam works 1/5 hour at the register of a store. He works 2/3 hour in the back stock room and 1/2 hour helping customers. How many

AleksandrR [38]

Answer:

Sam worked $\frac{41}{30}$ hours that day (fractional answer)

Step-by-step explanation:

The total number of hours Sam worked is the sum of all the three hours given.

Let's add the first 2 using LCM and then add that result with the last.

Firstly:

$\frac{1}{5}+\frac{2}{3}\\=\frac{1(3)+2(5)}{15}\\=\frac{13}{15}$

Now,

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The hours worked by Sam is 41/30 hours (fractional answer).

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Step-by-step explanation:

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