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Kay [80]
3 years ago
9

I need help with this please

Mathematics
2 answers:
Savatey [412]3 years ago
7 0

Answer:

t = \frac{D-M}{Mr}

Step-by-step explanation:

Given

D = M + Mrt ( subtract M from both sides )

D - M = Mrt ( divide both sides by Mr )

\frac{D-M}{Mr} = t

ss7ja [257]3 years ago
4 0

Answer:

t = D/Mr - 1/r or (D - M)/Mr

Step-by-step explanation:

D = M + Mrt

isolate t

D - M = Mrt

(D - M)/M = rt

D/M - 1 = rt

D/Mr - 1/r = t

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Evaluate the expression when m=4 and n=9 5m-n
Zigmanuir [339]
 5m-n
Just replace m with 4 and n with 9
5(4)-9=20-9=11
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3 years ago
Jodi and mariah are sisters. jodi is three years older than mariah. using one variable, write an expression to represent the sum
lapo4ka [179]
Mariah =X
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3 years ago
Round of 1,546 to the<br> nearest thousands
EleoNora [17]

Answer:

1,546 ≈ 2,000

Hope this helps :)

1. To round to nearest thousands, first look at the hundreds place if the number is 1,2,3,4 then round down. If the number is 5,6,7,8,9 then round up.

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1 year ago
PLEASE HELP WITH ALGEBRA QUESTION NEED ASAP!!
Delvig [45]

Answer:

The function f(x) = ln(x - 4) is graphed the question options

Step-by-step explanation:

* Lets study the the information of the problem

- The graph of a logarithmic has a vertical asymptote at x=4

* That means the curve gets closer and closer to the vertical line x = 4

  but does not cross it

- It contains the point (e+4, 1)

* That means if we substitute x = e + 4 in the equation the value

 of y will be equal to 1

- It has an x-intercept of 5

* That means if we substitute y = 0 in the equation the value of x

  will be equal to 5

* Lets find the right answer

∵ f(x) = ln(x - 4)

* To find the equation of the asymptote let x - 4 = 0

∵ x - 4 = 0

∴ x = 4

∴ f(x) has a vertical asymptote at x = 4

* Lets check the point (e + 4 , 1) lies on the graph of the f(x)

∵ x = e + 4

∴ f(e+4) = ln(e + 4 - 4) = ln(e)

∵ ln(e) = 1

∴ The point (e+4 , 1) lies on the graph of the function f(x)

* To find the x-intercept put y = 0

∵ f(x) = 0

∴ ln(x - 4) = 0

* Change the logarithmic function to the exponential function

- The base of the ln is e

∴ e^0 = x - 4

∵ e^0 = 1

∴ x - 4 = 1 ⇒ add 4 to the both sides

∴ x = 5

* The function f(x) = ln(x - 4) is graphed the question options

3 0
2 years ago
Find the value of a.
Nataly_w [17]
Answer: See below

Explanation:

6a + 11 = 2a + 83
6a - 2a = 83 - 11
4a = 72
a = 72/4
a = 18
6 0
2 years ago
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