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3 years ago

Guys answer ASAP PLZ how many 1/2 can go into 10 3/4?????

Mathematics

1 answer:

Leona [35]3 years ago

6 0

Answer:

Step-by-step explanation:

There are 2 halfs in 1 number.

Lets start with your whole number: 10

You double 10 because there are two halfs in each whole number making it equal 20.

Now you have 3/4

There would be 1 half in this number because it's a fraction and not a whole number.

You would be left over with 1/4

Your answer is 21

Hope this helps! Goodluck

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4 years ago

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4 years ago

Please please help I’m so confused

Ugo [173]

Answer: $\frac{1}{9}$

Step-by-step explanation:

When any number has a negative exponent, all the negative exponent is doing is flipping the sides.

When we plug -3 in for x we get $-3^{-2}$ .

Now just imagine the -3 in fraction form as $\frac{-3}{1}$ . And all you do now is just flip the sides to get $(\frac{1}{-3} )^{2}$

And now apply the exponent 2 to the 1 and negative 3.

1 to the power of 2 is just 1

-3 to the power of 2 is 9.

So your answer is $\frac{1}{9}$

4 0

3 years ago

Using quadratic equation: help me solve it <img src="https://tex.z-dn.net/?f=10x%20-%20%20%5Cfrac%7B1%7D%7Bx%20%7D%20%20%3

pochemuha

Answer:

$10x - \frac{1}{x} = 3 \\ 10x = 3 + \frac{1}{x} \\ 10x = \frac{3x + 1}{x} \\ 10x \times x = 3x + 1 \\ 10 {x}^{2} = 3x + 1 \\ 10 {x}^{2} - 3x - 1 = 0 \\ 10 {x}^{2} - 5x + 2x - 1 = 0 \\ 5x(2x - 1) + 1(2x - 1) = 0 \\ (5x + 1)(2x - 1) = 0 \\ \\ 5x + 1 = 0 \\ 5x = - 1 \\ x = \frac{ - 1}{5} \\ \\ 2x - 1 = 0 \\ 2x = 1 \\ x = \frac{1}{2}$

hope this helps you.

Have a nice day!

4 0

3 years ago