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jok3333 [9.3K]
3 years ago
11

Log(20x-16)=-logx=2 Solve for x:

Mathematics
1 answer:
nadezda [96]3 years ago
5 0
I'm pretty sure x=0.85. Good luck!
You might be interested in
Use summation notation to write the series 49 + 54 + 59 +... for 14 terms.
My name is Ann [436]

Answer:

Arithmetic sequence states that a sequence of numbers such that the difference between the consecutive terms is constant.

it is given by:  a_n = a+(n-1)d where a is the first term , n is the number of term and d is the common difference.

Given the series: 49 + 54 + 59+ ......

here, Common difference(d) = 5

First term(a) = 49

by definition we have;

For nth term

a_n = a+(n-1)d

a_n = 49+(n-1)5

a_n =49+5n -5 = 5n + 44

To write the series using summation notation for 14 terms

Summation symbol '\sum'

The series for 14th terms is given by;

\sum_{n=1}^{14}(5n +44)


5 0
3 years ago
Read 2 more answers
Simplify the following expression 65l/13q
natima [27]

Answer:

\dfrac{5l}{q}

Step-by-step explanation:

\dfrac{65l}{13q} = \dfrac{(13\cdot 5)l}{13q} = \dfrac{5l}{q}

3 0
3 years ago
Given the scatter plot, choose the function that best fits the data.
igor_vitrenko [27]

Answer:

f(x) = 3x2

Step-by-step explanation:

I think the given the scatter plot is missing and it is my attachment for your question.

My answer:

f(x) = 3x2,  it is a parabolic pathway. a =3 (positive) so the line is going up.

The other options are straight lines so they are wrong.

7 0
3 years ago
La un concurs de matematica se dau 40 de probleme. Pentr fiecare raspuns corect se acorda 7 puncte, iar pentru fiecare raspuns g
Ratling [72]

Answer:

a primit 36 ​​corect ane 4 în mod greșit

Step-by-step explanation:

În această întrebare, ne preocupăm să calculăm numărul de răspunsuri corecte și de răspunsuri greșite pe care elevul le-a dat.

În primul rând, începem prin atribuirea de variabile.

Numărul de răspunsuri corecte să fie x în timp ce numărul de răspunsuri greșite să fie y

Deoarece există 40 de probleme în total, aceasta înseamnă că adăugarea ambelor este egală cu 40 matematic,

x + y = 40. ••• (i)

Acum să trecem la partea complicată. Fiecare răspuns corect = +7. Răspunsul corect total este astfel + 7x Fiecare răspuns greșit este = -5. Răspunsul total greșit este astfel -5y Punct total marcat = 232 Aceasta

înseamnă că; 7x -5y = 232 ••••••••• (ii)

De la i, putem spune y = 40 -x să punem acest lucru în ecuație

ii 7x -5 (40-x) = 232

7x - 200 + 5x = 232

12x = 232 + 200 12x = 432 x = 432/12 x = 36 Deoarece y = 40 - x y = 40 - 36 y = 4

6 0
3 years ago
A farmer has 6 cartons of specialty eggs for sale. Each carton contains one dozen eggs. If 2/3 of the eggs are brown egg, what i
Ira Lisetskai [31]
6*12= 72
72*(2/3)=48
The farmer has 48 brown eggs
5 0
3 years ago
Read 2 more answers
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