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
erma4kov [3.2K]
3 years ago
12

Which expression is the correct one?

Mathematics
1 answer:
Zarrin [17]3 years ago
3 0
According to the logarithmic property of base change, the correpta answer is option one or the first.
 The logarithmic property of base change says that
 loga (b) = logc (b) / logc (a)
 Therefore the same property applies to this problem and the correct expression for this question is:
 logb (x) / logb (a)
You might be interested in
The amount of a chemical solution is measured to be 2 liters. What is the percent error of the measurement?
dezoksy [38]
The complete question in the attached figure

we know that
2 liters may be 1.5 to 1.9 rounded up to 2
or 2.1 to 2.4 rounded down to 2

the biggest percent error would be between 2 and 1.5, which is a volume error of 0.5 liters
2 - 1.5 = 0.5 liters
percent error = (absolute error / quantity) * 100
percent error = [0.5/2] * 100% = 0.25 * 100% = 25%

the answer is the option C) 25%

6 0
3 years ago
Read 2 more answers
Write a congruence statement for the pair of triangles zyb
Ray Of Light [21]
<span>(triangle) ZYB to (triangle) OWR by sss</span>
5 0
3 years ago
Find the solution for this inequality<br> -3x + 5 &lt; 5
n200080 [17]

Answer:

2

Step-by-step explanation:

-3x+5 = 2<5

two less than 5

6 0
3 years ago
A system for tracking ships indicated that a ship lies on a hyperbolic path described by 5x2 - y2 = 20. the process is repeated
zysi [14]
Answer:
The ship is located at (3,5)

Explanation:
In the first test, the equation of the position was:
5x² - y² = 20 ...........> equation I
In the second test, the equation of the position was:
y² - 2x² = 7 ..............> equation II
This equation can be rewritten as:
y² = 2x² + 7 ............> equation III

Since the ship did not move in the duration between the two tests, therefore, the position of the ship is the same in the two tests which means that:
equation I = equation II

To get the position of the ship, we will simply need to solve equation I and equation II simultaneously and get their solution.

Substitute with equation III in equation I to solve for x as follows:
5x²-y² = 20
5x² - (2x²+7) = 20
5x² - 2y² - 7 = 20
3x² = 27
x² = 9
x = <span>± </span>√9

We are given that the ship lies in the first quadrant. This means that both its x and y coordinates are positive. This means that:
x = √9 = 3

Substitute with x in equation III to get y as follows:
y² = 2x² + 7
y² = 2(3)² + 7
y = 18 + 7
y = 25
y = +√25
y = 5

Based on the above, the position of the ship is (3,5).

Hope this helps :)
8 0
3 years ago
What is the true solution In 20+In 5=2 In x?
S_A_V [24]

Answer:

x = 10

Step-by-step explanation:

Using the rules of logarithms

• log x + log y ⇔ log(xy)

• logx^{n} ⇔ n log x

• log x = log y ⇒ x = y

Given

ln20 + ln5 = 2 lnx , then

ln(20 × 5) = lnx^{2}

ln 100 = lnx^{2}, hence

x² = 100 ( take the square root of both sides )

x = 10

7 0
3 years ago
Other questions:
  • P% of m as an expression
    15·1 answer
  • If the degree of a term is a fraction,the term is still a monomial
    10·1 answer
  • How do I simplify 9v+9(1+7v) and can you show me the work
    5·1 answer
  • A UPS package was shipped to Shiela. The height is inches, the length is 1.5 feet, and the width is 14 inches. What is the volum
    7·2 answers
  • Help fast !!!!!!!!!!! factorise fully :4xy + 16x^2
    15·1 answer
  • The length of a rectangle is 4 cm longer than the width. If the perimeter of the rectangle is
    11·1 answer
  • Given: △ABC,
    7·1 answer
  • If vectors u,v and w ar linearly indepndnt, will u-v,v-w &amp; u-w also be linearly indpnt? ...?
    5·1 answer
  • Please help me please I really need help
    13·2 answers
  • PLEASE HELP!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!