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LenaWriter [7]
2 years ago
8

What is the answer to 3/5(10x-1/3)-x+6/5

Mathematics
1 answer:
seraphim [82]2 years ago
7 0

Answer:

5x + 1

Step-by-step explanation:

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Marni and Sharika partnered together in a dance-a-thon to raise money for the Humane Society. Marni raised $18 plus $0.80 per mi
Snowcat [4.5K]
I'm assuming that the 3434 is a typo error. It should be 34.

Marni: 18 + 0.80m
Sharika: 12 + 0.9m

x = Sharika's minutes
x + 34 = Marni's minutes

[18 + 0.80(x+34)] + [12 + 0.90(x)] = 264
18 + 0.80x + 27.2 + 12 + 0.90x = 264
0.80x + 0.90x = 264 - 18 - 27.2 - 12
1.70x = 206.80
x = 206.80/1.70
x = 121.65 or 122 

x + 34 = 122 + 34 = 156 minutes. 
5 0
3 years ago
A photo booth’s profit as a function of users is represented in the table. The function is quadratic.
Luda [366]

Answer:

The vertex represent the minimum amount of profit

Step-by-step explanation:

Plot the function to better understand the problem

Let

x ----> the number of users in thousands

y ---> the Monthly profit in thousands

using a graphing tool

see the attached figure

we have a vertical parabola open upward

The vertex represent a minimum

In the context of this problem

The vertex represent the minimum amount of profit

In this problem the vertex is the point (0.4,-4)

0.4 represent -----> 0.4(1,000)=400 users

-4=-4(1,000)=-$4,000 (profit negative)

3 0
2 years ago
R^2+7r+10/3 / 3-30/r2-5r-50
kvasek [131]
Multiply r^2+7r+10/3 by 3r-30/r^2-5r-50 
<span>=( r^2+7r+10)/3 (3r-30)/(r^2-5r-50) </span>
<span>=(r+2)(r+5)/3 3(r+10)/ (r-10)(r+5) </span>
<span>=3 (r+2)(r+5)(r+10)/3(r-10)(r+5) </span>
<span>=(r+2)(r+10)/(r-10)</span>
8 0
2 years ago
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galben [10]
First one is 12^2
second one is 1
3 0
3 years ago
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HELP!!!!!ASAP!!!!!!!!!!!PLEASE!!!!!!!!!!NOW!!!!!
Luba_88 [7]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
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