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vodka [1.7K]
3 years ago
7

7÷10p^3 ÷ 2÷ 8p^2 please help

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0
7p^5/160 is the answer
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A phone company charges for service according to the formula: C(n) = 13 +0.07%, where n is the number of minutes
irina1246 [14]

Answer:

0.07

dollar per minute

Step-by-step explanation:

Given the charging formula :

C(n) = 13 +0.07n

n = number of minutes talked, and

C(n) = monthly charge, in dollars

The slope is the change in amount charged per change in the number of minutes talked.

Also, from The slope intercept equation :

y = mx + c

Comparing the equation :

0.07n = mx

m = 0.07

Since, The slope is the change in amount charged per change in the number of minutes talked.

Amount charged in dollars, talk time measured in minutes ;

Unit = dollar per minute

6 0
3 years ago
Please help me with this homework
Oxana [17]
M stands for the slope of the line and b is called the y-intercept of the line
4 0
3 years ago
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-p + 4p = 6 prob the last one for now i think
Irina-Kira [14]

Answer:

p = 2

Step-by-step explanation:

First, simplify:

3p = 6

Then, divide 3 on both sides:

p = 2

Hope this helps ^^

8 0
3 years ago
Read 2 more answers
What is the equation of the line that is perpendicular to y= -3x + 1 and passes through (2,3)?
Aleonysh [2.5K]

Answer:

\large\boxed{y=\dfrac{1}{3}x+2\dfrac{1}{3}}

Step-by-step explanation:

\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\============================\\\\\text{We have}\ y=-3x+1\to m_1=-3.\\\\\text{Therefore}\ m_2=-\dfrac{1}{-3}=\dfrac{1}{3}.\\\\\text{The equation of the searched line:}\ y=\dfrac{1}{3}x+b.\\\\\text{The line passes through }(2,\ 3).

\text{Put the coordinates of the point to the equation.}\ x=2,\ y=3:\\\\3=\dfrac{1}{3}(2)+b\\\\3=\dfrac{2}{3}+b\qquad\text{subtract}\ \dfrac{2}{3}\ \text{from both sides}\\\\b=2\dfrac{1}{3}

3 0
3 years ago
Read 2 more answers
Factor the following trinomial.<br> 2x^2+11x – 21
SSSSS [86.1K]

Answer:

(2x - 3) (x + 7) or at least thats what I got

6 0
3 years ago
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