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katrin [286]
3 years ago
6

The following table shows a proportional relationship between mmm and nnn.

Mathematics
2 answers:
DanielleElmas [232]3 years ago
8 0

Answer:

n=7m

Step-by-step explanation:

this answer is good on khan academy

Marina CMI [18]3 years ago
5 0

Answer:

70707mmm = 111nnn

Step-by-step explanation:

Using the basic equation of a line:

y = mx + c;. where m is slope and c is intercept on y axis.

Let mmm = y and nnn = x

(i) 333 = 212121m + c

(ii) 555 = 353535m + c

Making c the subject of the formula in both (i) and (ii)

c = 333 - 212121m = 555 - 353535m

353535m -212121m = 555 - 333

141414m = 222

m = 111/70707

Substitute in (i) above

c = 333 -333 = 0

Hence; y = 111/70707x + c

Finally, mmm = 111/70707 nnn

i.e. 70707mmm = 111nnn

Hope this helps.

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lys-0071 [83]

Question:

For which value of x must the expression √97x be further simplified?

A. 5    B. 10     C. 15     D. 20

Answer:

D.  x = 20

Step-by-step explanation:

Given

\sqrt{97x

Required

For what value of x can it be simplified

From the list of options, only (D) is correct

D. 20

Substitute 20 for x in \sqrt{97x

\sqrt{97 x} = \sqrt{97 * 20}

Express 20 as 4 * 5

\sqrt{97 x} = \sqrt{97 * 4 * 5}

Reorder

\sqrt{97 x} = \sqrt{4 *97 * 5}

Split

\sqrt{97 x} = \sqrt{4} *\sqrt{97 * 5}

\sqrt{97 x} = 2*\sqrt{97 * 5}

\sqrt{97 x} = 2*\sqrt{485}

\sqrt{97 x} = 2\sqrt{485}

With other values of x, the given expression can not be simplified.

Hence:

x = 20

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3 years ago
How do you determine the x and y-intercepts from an equation or graph?
jeyben [28]
You determine it by finding it
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Bumek [7]

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Step-by-step explanation:

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Given the function g(x) = 6^x, Section A is from x = 1 to x = 2 and Section B is from x = 3 to x = 4.
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Section A and B
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7 0
3 years ago
Find the total in the account with the following facts monthly contributions =$180 employer matching 25% interest rate 4.99% yea
algol13

Answer:

The amount that will be in the account after 38 years is $ 36811,05

Step-by-step explanation:

a)

For resolved this exercise used the next equation

R(1-(1 + i)--) Ap = ... (1)

Ap = Amount in account

R = Paid monthly

i = Monthly interest rate

t = Months for paid

Dates

i=- 2.05% 12 = 0,1708% = 0.0017

The interest is divided for 12 because is annual and the formula is mensual

t = 15yearsx12 = 180 months

             R = 220$

R(1-(1 + i)-) Ap =

220(1-(1 + 0.0017)-180) Ap = 0.0017

162,04 Ap=0.0017

Ap = 95321,855

The amount that will be in the account after 15 years is $ 95,321.85

b)

R(1-(1 + i)--) Ap = ... (1)

Ap = Amount in account

R = Paid monthly

i = Monthly interest rate

t = Months for paid

i=- 4,99% -= 0,415% = 0.0041

The interest is divided for 12 because is annual and the formula is mensual

t = 38yearsx12 = 456 months

             R = 180$

R(1-(1 + i)-) Ap =

Ap = 180(1-(1 + 0.0041) -456 0.0041

Ap = 36811,055

The amount that will be in the account after 38 years is $ 36811,05

4 0
3 years ago
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