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tester [92]
3 years ago
14

Explain how to use a basic fact and a pattern to find 6 ✖ 100

Mathematics
2 answers:
PtichkaEL [24]3 years ago
7 0
Ummm....did you mean like what is the answer to 6x100?
Umnica [9.8K]3 years ago
3 0
A basic fact is 6x1, which everyone knows is 6. Because 6x1=6, we can use a pattern of either counting by six 100 times, or adding two zeroes at the end, which is the "zero trick".
Another example of the zero trick is 70x100, because all you have to do is 7x1=7 and then add the three zeroes at the end, which gets you 7,000.
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Can someone please help me, this is for summer school and I need fast replies, I have 29 other question like these, please help.
Yuri [45]

\implies {\blue {\boxed {\boxed {\purple {\sf { \:  A. \:- 8 {v}^{4}  + 3 {v}^{3}  + v + 5}}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

(4 + 6v + 3 {v}^{3} ) - (5v + 8 {v}^{4}  - 1)

➼\: 4 + 6v + 3 {v}^{3}  - 5v  -  8 {v}^{4}  + 1

Combining like terms, we have

➼\: - 8 {v}^{4}  + 3 {v}^{3}  + 6v - 5v + 4 + 1

➼\:  - 8 {v}^{4}  + 3 {v}^{3}  + v + 5

<h3 />

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

7 0
2 years ago
What is the solution set of -|x|<br> = -8?
yanalaym [24]
|x| this means absolute value making what ever number in the inside positive UNLESS you have a negative out front. Ex |8|=8. -|8|=-8. |-8|=8
7 0
3 years ago
Which box holds more popcorn?
Rashid [163]

Answer:

Amanda's popcorn container holds more popcorn

Step-by-step explanation:

<em><u>First we'll have to find the volume.</u></em>

The Volume helps us determine which is bigger.

<em><u>Step 1</u></em>

We'll find Amanda's popcorn container

10cm*10cm*13.5cm=1350cm

<em><u>Step 2</u></em>

We'll find Mary's popcorn container

8cm*8cm*20cm=320cm

<em><u>Step 3</u></em>

Since Amanda's popcorn container has 1350cm (volume) and Mary's popcorn container has 320cm (volume) we'll have this. 1350cm>320cm. We can determine the Amanda's popcorn container has holds more,

<em><u>Final Answer</u></em>

Amanda's popcorn container holds more popcorn

5 0
3 years ago
In a simple regression analysis (where y is a dependent and x an independent variable), if the y-intercept is positive, then it
Rom4ik [11]

Answer:

m=\frac{S_{xy}}{S_{xx}}  

Where:  

S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}  

S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}  

\bar x= \frac{\sum x_i}{n}  

\bar y= \frac{\sum y_i}{n}  

And we can find the intercept using this:  

b=\bar y -m \bar x  

On this case the correct answer would be:

E.  none of the above

Since the intercept has no association between the increase/decrease of the dependent variable respect to the independent variable

Step-by-step explanation:

Assuming the following options:

A.  there is a positive correlation between X and Y

B.  there is a negative correlation between X and Y

C.  if X is increased, Y must also increase

D.  if Y is increased, X must also increase

E.  none of the above

If we want a model y = mx +b where m represent the lope and b the intercept

m=\frac{S_{xy}}{S_{xx}}  

Where:  

S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}  

S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}  

\bar x= \frac{\sum x_i}{n}  

\bar y= \frac{\sum y_i}{n}  

And we can find the intercept using this:  

b=\bar y -m \bar x  

On this case the correct answer would be:

E.  none of the above

Since the intercept has no association between the increase/decrease of the dependent variable respect to the independent variable

3 0
3 years ago
Can anyone help me on solving equations with rational numbers?
dangina [55]
I'm learning the exact same thing so give me some question and I can see what I can do!
8 0
3 years ago
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