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
ra1l [238]
3 years ago
9

What does 7^x=21 in a logarithmic equation

Mathematics
1 answer:
Leviafan [203]3 years ago
8 0
Loga x=n ⇔ a^n=x
log₇ 21=x

x=log ₇ 21
x=ln 21 / ln7=1.564575034...

Answer: x=log₇ 21
You might be interested in
The product of 5 and a number x is 1/4. what is the value of x?
solniwko [45]
The mathematical expression is
5x = 1/4
Divide:
x = (1/4)/5 = (1/4)*5 = 5/4 (ANSWER)
4 0
3 years ago
Read 2 more answers
What equation shows 10x-2y=10 in slope intercept form
Vesna [10]
10x-2y=10 We need to solve this equation for "y" to put it into slope intercept form:

10x-2y=10
-2y = -10x +10 Subtracted 10x from both sides
y = 5x - 5 Divided both sides by -2

y = 5x - 5 Is slope intercept form
5 0
3 years ago
For f(x)=13^x,find f(3/2)
tekilochka [14]

Answer:

  f(3/2) = 13√13 ≈ 46.872167

Step-by-step explanation:

Put 3/2 where x is and evaluate.

  f(3/2) = 13^(3/2) = 13^(1 +1/2) = 13√13

  f(3/2) ≈ 46.872167

5 0
2 years ago
Find the value of x so that the function has the given value.<br><br> t(x)=-4x-5 <br><br> t(x)=3
Sveta_85 [38]

Answer:

x = 8 since 3 × 8 = 24

4 0
2 years ago
What is the answer in feet to this question
telo118 [61]
Don’t click the link it’s a ip logger
5 0
2 years ago
Other questions:
  • Lucy had her bithday party at Sweet Tooth Candy Shop. Each one of her guests ate 1/5 of a pound of chocolate. how many pounds of
    15·2 answers
  • to graph y=2/3x+4 Emaan plots one point at 0,4 and a second point 2 units right and 3 units up at 2,7 he then draws a line throu
    13·1 answer
  • a garage floor measures 150 feet by 120 feet a scale drawing of the floor on grid paper uses a scale of 1 unit : 15feet what are
    7·2 answers
  • What number would you add to both sides of x^2+7x=4 to complete the square?
    13·1 answer
  • A metric unit of measuring length that equal to 10 meters is called a
    12·1 answer
  • What is 5x + 1 - 2x - 3?
    7·1 answer
  • Pls help this is due soon!!!
    10·1 answer
  • I’ll make brainliest
    9·2 answers
  • A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y)
    7·1 answer
  • Which graph represents (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis-pairs that make the equation y = 2xy=2xy, equa
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!