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3 years ago

What is padlet and how does it work?

Mathematics

2 answers:

GenaCL600 [577]3 years ago

3 0

Answer:

Padlet is an online virtual “bulletin” board, where students and teachers can collaborate, reflect, share links and pictures, in a secure location. Padlet allows users to create a hidden wall with a custom URL. Padlet creators can also moderate posts, remove posts, and manage their board 24/7.

Step-by-step explanation:

dont know if its right or wrong soooOOO ;-;

Triss [41]3 years ago

3 0

Answer:

oh padlet is an online thingy and we use it for school and shiii like tha and mosly you can join a padlet and yk write what you think and you log into it with your email and yea juss go on from there :)

brainliest pweaseee?????

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Find allgebraiclly the equation of the axis of symmetry and the vertex of the parabola represented by the equation y=-x2-2x+1

Slav-nsk [51]

To find the vertex use -b/2a (for the x value which is also the axis of symmetry)
So 2/-2 = -1 Therefore the axis of symmetry is x=-1 Plug in for the y value:
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3 years ago

Read 2 more answers

I need help with this I don't understand this math

Dmitriy789 [7]

The exponential regression equation is y = 172.21(0.99)ˣ and at x = 60 minutes y = 94.22 degree Fahrenheit and at x = 240 minutes y = 15.43 degree Fahrenheit.

<h3>What is correlation?</h3>

It is defined as the relation between two variables which is a quantitative type and gives an idea about the direction of these two variables.

$\rm r = \dfrac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{{[n\sum x^2- (\sum x)^2]}}\sqrt{[n\sum y^2- (\sum y)^2]}}$

We have data shown in the table:

We can find the exponential regression equation using the data shown.

$\rm y = ab^x$

After calculating from the data:

a = 172.21 and b = 0.99

$\rm y = 172.21(0.99)^x$

The correlation coefficient will be:

r = -0.99

The range will be all real numbers.

The domain will be y > 0

As we can see in the graph x ∈R and y>0

After an hour,

Plug x = 60 minutes in the exponential regression equation:

$\rm y = 172.21(0.99)^{60}$

y = 94.22 degree Fahrenheit

After 4 hours, plug x = 240

$\rm y = 172.21(0.99)^{240}$

y = 15.43 degree Fahrenheit

Similarly, we can find any data from the exponential regression equation.

Thus, the exponential regression equation is y = 172.21(0.99)ˣ and at x = 60 minutes y = 94.22 degree Fahrenheit and at x = 240 minutes y = 15.43 degree Fahrenheit.

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1 year ago

3(x + y + h)=<br> Can someone help me with this

Nastasia [14]

Answer:

3x +3y +3h

that’s the farthest you can solve since you don’t know the variable’s values

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2 years ago

Assuming all other requirements are met, which of the following taxpayers do NOT qualify for the 2021 Earned Income Tax Credit?

Ilia_Sergeevich [38]

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From the options given, Ivy is the taxpayer that does not qualify for the 2021 Earned Income Tax Credit. This is because she's not a dependent of another person.

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2 years ago

600000 80000 10 expanded. form

kirza4 [7]

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3 years ago