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3 years ago

What is 35.6 x 10^-4 in standard form

Mathematics

1 answer:

polet [3.4K]3 years ago

6 0

Answer:

In standard notation

3.5

35000

Step-by-step explanation:In scientific notation, we write a number so that it has single digit to the left of decimal sign and is multiplied by an integer power of

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What is vaule of y when x=4'5

Degger [83]

Answer:

$y = 2.096$ or $y = \frac{2\sqrt5+6}{5}}$

Step-by-step explanation:

Given

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

$x = \frac{4}{5}$

Required

Find y

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

Substitute $x = \frac{4}{5}$

$y = \frac{4}{4/5} + \sqrt{4/5} + 0.2 - 5 * 4/5$

$y = 5 + \sqrt{4/5} + 0.2 - 4$

Collect like terms

$y = \sqrt{4/5} + 5 + 0.2 - 4$

$y = \sqrt{\frac{4}{5}} + 1.2$

Split the surd

$y = \frac{\sqrt4}{\sqrt5}} + 1.2$

$y = \frac{2}{\sqrt5}} + 1.2$

Rationalize

$y = \frac{2\sqrt5}{\sqrt5*\sqrt5}} + 1.2$

$y = \frac{2\sqrt5}{5}} + 1.2$

Take LCM and add

$y = \frac{2\sqrt5+1.2*5}{5}}$

$y = \frac{2\sqrt5+6}{5}}$

or solve as:

$y = \frac{2*2.24+6}{5}}$

$y = \frac{10.48}{5}$

$y = 2.096$

7 0

3 years ago

This is in khan accadamy

kicyunya [14]

Answer: it’s B

your welcome

Step-by-step explanation:

4 0

2 years ago

Find the mean of this set of numbers.

mezya [45]

This is how you find the mean of a number:

To find the mean of a number, you need to add up all the numbers listed (so, 5, -11, 7, 12, -1 and 0) and then divide it by the amount of numbers there are listed. 5 + -11 + 7 + 12 + -1 + 0 equals 12, and since there are 6 numbers you then divide 12 by 6. 12 divided 6 is 2.

So the answer is A. I hope this helped you!

3 0

4 years ago

Read 2 more answers

Your aunt loves to bake cookies she is planning on opening a bakery she usually makes 50 cookies for a small family gatherings y

PilotLPTM [1.2K]

Answer:

500=10x50

Step-by-step explanation:

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3 years ago

The sum of complementary angles is ______________

pav-90 [236]

Answer:

Complementary angles are 90 degrees

Step-by-step explanation:

Supplementary angles are 180

Hope this helps:))))

8 0

3 years ago