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Trava [24]
3 years ago
5

Hendrick read b books in January, twice that amount in February, and I book in March

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
6 0

Answer:

in total? if so it is 3b +1 books

Step-by-step explanation:

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Write a fraction that is equivalent to 6 divided by 27
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27/6 because this shows that you are dividing 6 from 27.
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Cameras R Us has a sale for 25% off camera bags, which is a discount of $20. To find the original cost of the camera bag, Tara c
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It will be 2. (B) and 4. (D)

Step-by-step explanation:

I took the assignment and got it right :D

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Which rule can be used to describe the growth of the y vales of the function y=12^x over each interval from x=-1 to x=3?
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The function is f(x)=12^x. 

This means that as we get from 1 to 2, we have the following values:

f(1)=12^1=12, and f(2)=12^2=12\cdot12.

Similarly, if we check x=3, we have f(3)=12^3=12\cdot12\cdot12.


We can see that as x changes by 1 (with greater values), y increases by a factor of 12.


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3 years ago
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Find the standard form of the equation for the conic section represented by x^2 + 10x + 6y = 47.
Levart [38]

Answer:

The standard form of the equation for the conic section represented by x^2\:+\:10x\:+\:6y\:=\:47 is:

4\left(-\frac{3}{2}\right)\left(y-12\right)=\left(x-\left(-5\right)\right)^2

Step-by-step explanation:

We know that:

4p\left(y-k\right)=\left(x-h\right)^2 is the standard equation for an up-down facing Parabola with vertex at (h, k), and focal length |p|.

Given the equation

x^2\:+\:10x\:+\:6y\:=\:47

Rewriting the equation in the standard form

4\left(-\frac{3}{2}\right)\left(y-12\right)=\left(x-\left(-5\right)\right)^2

Thus,

The vertex (h, k) = (-5, 12)

Please also check the attached graph.

Therefore, the standard form of the equation for the conic section represented by x^2\:+\:10x\:+\:6y\:=\:47 is:

4\left(-\frac{3}{2}\right)\left(y-12\right)=\left(x-\left(-5\right)\right)^2

where

vertex (h, k) = (-5, 12)

7 0
3 years ago
Celia sells calendars for fundraiser. Each calendar cost $9. She sells 16 calendars to her family members and 14 calendars to th
Sunny_sXe [5.5K]

Answer:

Since Her goal is to earn $ 300 , but now she is earning only $270 ,Hence Celia will not achieve her goal  .

Step-by-step explanation:

Given as :

The cost of each calendar = $ 9

The number of calendar sold to the family = 16

The number of calendar sold to the neighborhood = 14

So, Total number of calendar sold by Celia = The number of calendar sold to the family + The number of calendar sold to the neighborhood

i.e Total number of calendar sold by Celia = 16 + 14 = 30

∵ The cost of each calendar = $ 9

∴ The cost of 30 calendar = $ 9 × 30 = $ 270

Since Her goal is to earn $ 300 , but now she is earning only $270 ,Hence Celia will not achieve her goal  .  Answer

5 0
3 years ago
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