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sladkih [1.3K]
3 years ago
9

Find the slope of the line that contains the following points. R(-3,5), S(3,-2)

Mathematics
2 answers:
sesenic [268]3 years ago
6 0

Answer:

This can be solved using the slope formula.

(y2 - y1) / (x2 - x1) = m

m is the meaning of slope

Answer: m= -7/6

Step-by-step explanation:

Goryan [66]3 years ago
4 0

Answer:

-7/6

Step-by-step explanation:

var y/ var x

5 to -2 is variation y ----> -7

-3 to 3  is variation x ---> 6

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Answer:

0.2

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20/100=0.2


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Seven decreased by three times a number is forty,please help
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Hello, 

x= the number
3x= three times the number

seven decreased by three times a number is forty, then:

7-3x=40
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x=-11

Answer: the number is -11
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Find the value of the expression 6x + 3xy, when x = 2 and y = 4.
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➷ Substitute in the values:

6(2) + 3(2)(4)

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3 years ago
An investment services company experienced dramatic growth in the last two decades. The following models for the company's reven
zlopas [31]

Answer: a) 138.32 and b) 35 years approx.

Step-by-step explanation:

Since we have given that

R(t)=21.4e^{0.13t}\\\\C(t)=18.6e^{0.13t}

So, Profit is given by

Profit=R(t)-C(t)\\\\Profit=21.4e^{0.13t}-18.6e^{0.13t}\\\\Profit=e^{0.13t}(21.4-18.6)\\\\Profit=2.8e^{0.13t}

Difference in years of 1990 and 2020=30

So, Profit becomes :

P(30)=2.8e^{0.13\times 30}\\\\P(30)=2.8\times 49.40\\\\P(30)=138.32

(b) How long before the profit found in part (a) is predicted to double? (Round your answer to the nearest whole number.) years after 1990.

So, profit doubles , we get :

138.32\times 2=2.8e^{0.13t}\\\\276.65=2.8e^{0.13t}\\\\\dfrac{276.65}{2.8}=e^{0.13t}\\\\98.80=e^[0.13t}\\\\\ln 98.80=0.13t\\\\4.593=0.13t\\\\\dfrac{4..593}{0.13}=t\\\\35.33=t

Hence, a) 138.32 and b) 35 years approx.

6 0
3 years ago
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