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lapo4ka [179]
3 years ago
8

What are the earth's four spheres​

Mathematics
1 answer:
wel3 years ago
4 0

Answer:

Geosphere, Hydrosphere, Lithosphere, Biosphere

Step-by-step explanation:

Hope this helps!! :)

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The amount of money Chaz earned for walking dogs is given in the table. Can the relationship be described by a constant rate? Ex
mojhsa [17]

Answer:

Yes, the relationship can be described by a constant rate of $18.75 per dog

Step-by-step explanation:

see the attached figure to better understand the problem

Let

x ----> the number of dogs

y ---> the amount of money earned

we have the points

(6,112,50), (8,150), (11,206.25)

step 1

Find the slope with the first and second point

(6,112,50), (8,150)

m=(150-112.50)/(8-6)=18.75

step 2

Find the slope with the first and third point

(6,112,50), (11,206.25)

m=(206.25-112.50)/(11-6)=18.75

Compare the slopes

The slopes are the same

That means, that the three points lies on the same line

therefore

Yes, the relationship can be described by a constant rate of $18.75 per dog

7 0
3 years ago
You’re baking a circular cake for a party. Your cake can be any size you want. What will the radius of your cake be and how many
REY [17]
What will the radius of your cake be?

This is a problem of geometry. Given that the cake is circular, the greater the cake the greater the radius of it. So, as shown in the figure 1, the radius will be the distance from the center to any extreme point of the circle.

How many slices will you be able to cut?

The total area of a circle is given by:

A= \pi  r^{2}

We need to fin how many slices will be cut, so let's calculate the area of the circular sector which can be obtained simply applying rule of three, so:

A_{cs}= \pi r^{2}( \frac{\theta}{2\pi})= \frac{r^{2}\theta}{2}

Let's name n the number of slices, if we divide the total area by n this result, each area  must equal, then:

\frac{\pi r^{2}}{n}=\frac{r^{2}\theta}{n}

Finally, we will be able to cut:

n= \frac{2\pi}{\theta} Slices

7 0
3 years ago
What is the square root of 4761?
Ira Lisetskai [31]

Answer:

its 69 i think

Step-by-step explanation:

7 0
3 years ago
Problem Page Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $16
lozanna [386]
If their call lasts 11 minutes the cost will be the same

7 0
3 years ago
4w^3−8w+12<br> factor the polynomial<br><br> 5t^2+20t+50<br> factor the polynomial
DanielleElmas [232]
<span>4w^3−8w+12 = 4 (w^3 - 2w + 3)

</span><span>5t^2+20t+50 = 5 (t^2 + 4t + 10)</span>
7 0
3 years ago
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