1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lana66690 [7]
3 years ago
15

Following e.g. C, how do you do D? 30 points

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0

Answer:

     4^(2x + 1) + 7*4^x - 15 = 0

Let a = 4^x, then we have:

     4a^2 + 7a - 15 = 0

<=>4a^2 + 12a - 5a - 15 = 0

<=> 4a(a + 3) - 5(a + 3) = 0

<=>(4a - 5)(x + 3) = 0

<=> a =5/4 (a = -3: invalid)

=> 4^x = 5/4

=> x = log(5/4)/log4

Hope this helps!

:)

mars1129 [50]3 years ago
7 0

Answer:

x=(log(5/4))/(log(4))

Step-by-step explanation:

You might be interested in
Identificación de la intención del mensaje o del texto leído​
Neko [114]

Answer:

La identificación de la intención del mensaje o del texto leído no es otra cosa que la interpretación del mismo. Es decir, a través de la lectura y la identificación de las diferentes variables comunicativas, el lector realiza un análisis del contenido del texto y lo interpreta, buscando dilucidar la intención que el redactor tuvo al momento de escribir el mensaje o texto en cuestión. La interpretación de textos es fundamental para poder comprender lo que se encuentra redactado, es decir, para poder lograr una total comprensión del texto.

7 0
3 years ago
Given the function below, find x so that,<br> f(x)=10
ch4aika [34]
To find the slope and the -intercept of the line, first write the function as an equation, by substituting for

y=10
y=0x+10
y=0x+10 , m=0
y=0x+10 , m=0 , b=10

m=0 , b=10

The slope of the line is m=0 and the y-intercept is b=10
7 0
3 years ago
The function y = 5x is graphed in the coordinate plane. Which point will not be on the line?
Mademuasel [1]
I think your answer is A. (0,5)
Hope this helps!! Have a great day!! :)))
6 0
3 years ago
Read 2 more answers
Help asap giving branlist!!
sergiy2304 [10]

Answer:

option 3

Step-by-step explanation:

x = 2 is a vertical line with an x-intercept of (2, 0) so the answer is Option 3.

3 0
3 years ago
Read 2 more answers
Which expression is equivalent to......NEED HELP ASAP PLSSS!!!
umka2103 [35]

13j, would be your answer, because there are 13 J's following the J that is not in ( )

8 0
3 years ago
Other questions:
  • Simplify.<br> A12 over a7
    6·1 answer
  • What is the constant rate
    13·1 answer
  • How do you solve (5^{2} - 1) ÷ 6
    7·2 answers
  • I'm not sure how to do this pls help
    15·1 answer
  • WhAt is .51 rounded of to the nearest cent
    12·1 answer
  • The cost of a New York Yankee baseball cop is $24,00. The local sporting goods store
    11·2 answers
  • Which equation represents a line which is perpendicular to the line y = 4/3x – 7?
    12·1 answer
  • Find the radius of Circle G Below. Round your answer to the nearest hundredth.
    9·1 answer
  • Helpppppppppppppppppp is this right
    14·2 answers
  • Write 25x10 to the power of 6 in standard form
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!