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3 years ago

What is 6.8 times 10 to the power of -3 in standard notation?

Mathematics

1 answer:

Studentka2010 [4]3 years ago

3 0

$6.8 \times 10^{-3} =$

$= 6.8 \times \dfrac{1}{1000}$

$= 6.8 \times 0.001$

$= 0.0068$

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Determine if the equation is linear. If so, graph the function.

musickatia [10]

Answer:

The equation is not linear

Step-by-step explanation:

You are given the equation

$\dfrac{2}{x}+\dfrac{y}{4}=\dfrac{3}{2}$

Express y in terms of x:

$\dfrac{y}{4}=\dfrac{3}{2}-\dfrac{2}{x}\\ \\\dfrac{y}{4}=\dfrac{3x-4}{2x}\\ \\y=4\cdot \dfrac{3x-4}{2x}\\ \\y=\dfrac{6x-8}{x}$

The linear function must of form

$y=mx+b,$

where m and b are real numbers.

Your function is not of this form, so this is not a linear function.

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3 years ago

Joy is helping her father to build a rectangular deck that measures 14 ft by 19 ft.

Helga [31]

14 multiplied by 9 is 126
The answer is 126ft

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2 years ago

Finding Side Lengths in a Right Triangle<br> What is the value of s?<br> units

zavuch27 [327]

Answer:

hypotenuse=root of( base square + height square)

Step-by-step explanation:

by using pythogorus theorem we can find the side of any right triangle square

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2 years ago

Read 2 more answers

Rachel mows 5 lawns in 8 hours. At this rate how many lawns can she mow in 40 hour?

posledela

We can think of this as an equality

5 Lawns = 8 Hours

If she needs 40 hours, you can multiply 8 hours by 5 to get 40, but now it's not balanced. So, you need to multiply 5 to the other side too so:

5 x (5) = 8 x (5)

Therefore she mows 25 Lawns in 40 Hours

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2 years ago

The human body has a normal temperature of 98.6°F. Doctors will get worried if a sick patient has a temperature that varies from

makvit [3.9K]

Answer:

$|T- 98.6| \geq 3$

And in order to solve this we have two possibilities:

Solution 1

$T -98.6 \leq -3$

And solving for T we got:

$T \leq 98.6- 3$

$T\leq 95.6$

Solution 2

And the other options would be:

$T -98.6 \geq 3$

$T \geq 101.6$

Step-by-step explanation:

For this case we can define the variable os interest T as the real temperature and we know that if we are 3 F more than the value of 98.6 we will be unhealthy so we can set up the following equation:

$|T- 98.6| \geq 3$

And in order to solve this we have two possibilities:

Solution 1

$T -98.6 \leq -3$

And solving for T we got:

$T \leq 98.6- 3$

$T\leq 95.6$

Solution 2

And the other options would be:

$T -98.6 \geq 3$

$T \geq 101.6$

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3 years ago