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4 years ago

Complete this conversion.given: 10 mm = 1 cmgiven: 100 cm = 1 mfind: _____ mm = 3 m

Mathematics

1 answer:

Nataly [62]4 years ago

7 0

Multiply 100 times 3 to find cm.
multiply 300 times 10 to find mm
the answer is 3000mm=3m

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Simplify this imaginary number sqr -45?

nydimaria [60]

√-45 = √45(-1) = √45 * √-1 = 5√9 * √-1 = 15i
Remember, i = √-1

6 0

3 years ago

It's 11 that grade, please help me I'm stuck

Arlecino [84]

Answer:

Limit $\lim_{x \to 0} f(x)$ does not exist.

Step-by-step explanation:

To calculate left hand limit, we use a value slightly lesser than that of 0.

To calculate right hand limit, we use a value slightly greater than that of 0.

Let h be a very small value.

Left hand limit will be calculate at 0-h

Right hand limit will be calculate at 0+h

First of all, let us have a look at the value of f(0-h) and f(0+h)

$f(0-h)=f(-h) = \dfrac{-h}{|-h|}\\\Rightarrow \dfrac{-h}{h} = -1$

$f(0-h)=-1 ....... (1)$

$f(0+h)=f(h) = \dfrac{h}{|h|}\\\Rightarrow \dfrac{h}{h} = 1$

$f(0+h)=1 ....... (2)$

Now, left hand limit:

$$\lim_{x \to 0^{-} } f(x)$\\$ = $\lim_{h \to 0} f(0-h)$

$\Rightarrow$ $\lim_{h \to 0} f(-h)$

Using equation (1):

$$\lim_{x \to 0^{-} } f(x)$\\$ = -1

Now, Right hand limit:

$$\lim_{x \to 0^{+} } f(x)$\\$ = $\lim_{h \to 0} f(0+h)$

$\Rightarrow$ $\lim_{h \to 0} f(h)$

Using equation (2):

$$\lim_{x \to 0^{-} } f(x)$\\$ = 1

Since Left Hand Limit $\neq$ Right Hand Limit

So, the answer is:

Limit $\lim_{x \to 0} f(x)$ does not exist.

8 0

4 years ago

Please Help, I can't figure out this problem

Otrada [13]

Answer:

<h2>The answer is 5 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question

The points are (9,-7) and (5, -4)

The distance between them is

$d = \sqrt{ ({9 - 5})^{2} + ({ - 7 + 4})^{2} } \\ = \sqrt{ {4}^{2} + ({ - 3})^{2} } \\ = \sqrt{16 + 9} \\ = \sqrt{25}$

We have the final answer as

<h3>5 units</h3>

Hope this helps you

3 0

3 years ago

An executive is earning $45,000 per year. This is

Marizza181 [45]

Her salary 4 years ago would have been $30,000.

If 45,000 is 15,000 less than double her previous salary, we must first add 15,000 to 45,000 to find what double her salary was.

45,000+15,000=60,000.

Since this is twice her salary, we divide this by 2.

60,000/2= 30,000.

So, her salary 4 years ago would have been $30,000.

I hope this helps!

4 0

3 years ago

PLEASE HELP!!! What is the slope parallel to 5x + y = 3, please show me step by step, will give the brainliest for this answer.

Andreas93 [3]

Answer:

-5

Step-by-step explanation:

First, put the equation into the form y = mx +b (where m is the slope and b is the y-intercept)

This would look like:

$5x + y = 3\\y = -5x + 3$

This means the slope is -5.

Parallel lines always have the same slope, so the slope of the parallel line is also -5

3 0

3 years ago