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
bezimeni [28]
3 years ago
7

Simplify lol (5) 9+ lo (5) 21-lo (5) 7​

Mathematics
1 answer:
dexar [7]3 years ago
7 0

Given:

Consider the given expression is

\log_59+\log_521-\log_57

To find:

The simplified form of the given expression.

Solution:

We have,

\log_59+\log_521-\log_57

It can be written as

=\log_5(9\times 21)-\log_57       [\because \log_ax+\log_ay=log_a(xy)]

=\log_5\dfrac{9\times 21}{7}       [\because \log_ax-\log_ay=log_a\dfrac{x}{y}]

=\log_5(9\times 3)

=\log_527

Therefore, the simplified form of the given expression is \log_527.

You might be interested in
What is the side length of a cube with a volume of 216 cubic units?
hichkok12 [17]

Hey there!!

The area for the volume of a cube -

s³ , s = side

volume = 216

s³ = 216

s = ∛216

s = 6

The required answer is 6

Hope my answer helps!

4 0
3 years ago
Read 2 more answers
10 points if you can answer what percent of 20 <br> Is 0.6
UNO [17]
Dividing 20 by 100 gives us 1%. so 0.2 × 3 = 0.6 so it take 3 0.2s to get to 0.6. meaning 0.6 is 3% of 20.

7 0
3 years ago
12,548 rounded to the nearest thousand and 4,685 rounded to the nearest thousand​
ehidna [41]

Answer:

12,548 rounded to the nearest thousand is 13,000 and 4,685 rounded to the nearest thousand is 5,000

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which pair of words describes this system of equations 3y=9x-6 2y+6x=4
pishuonlain [190]

Answer:

Consistent and dependent

Step-by-step explanation:

Given

3y = 9x - 6

2y + 6x = 4

Required

The words that describe the equations

Make y the subject in (2)

2y + 6x = 4

Collect like terms

2y = 4 - 6x

Divide through by 2

y = 2 - 3x

Substitute: y = 2 - 3x in (1)

3y = 9x - 6

3(2 - 3x) = 9x - 6

6 - 9x = 9x - 6

Collect like terms

9x+9x = 6+6

18x = 12

Solve for x

x = \frac{12}{18}

Simplify

x = \frac{2}{3}

Substitute x = \frac{2}{3} in y = 2 - 3x

y = 2 - 3*\frac{2}{3}

y = 2 - 2

y =0

So, we have:

x = \frac{2}{3} and y =0

<em>The system is consistent because it has at least 1 solution</em>

<em>The system is dependent because it has more than 1 solution</em>

6 0
3 years ago
As part of quality control, a pharmaceutical company tests a sample of manufacturer pills to see the amount of active drug they
ryzh [129]

Answer:

The z statistic is 0.23.

Step-by-step explanation:

Test statistic (z) = (sample mean - population mean) ÷ sd/√n

sample mean = 104 mg

population mean (mu) = 100 mg

sd = 55 mg

n = 10

z = (104 - 100) ÷ 55/√10 = 4 ÷ 17.393 = 0.23

8 0
4 years ago
Other questions:
  • Counting the Number of Outcomes
    15·1 answer
  • Assuming she worked at a constant rate, how many rows had been completed before Elena started working?
    12·2 answers
  • Simplify
    15·2 answers
  • The assumption of homoscedasticity is that _________. the range of the Y scores is the same as the X scores the X and Y distribu
    13·1 answer
  • ABCD is a rectangle on a coordinate grid with side AB parallel to side CD and side BC parallel to side AD. If the slope of side
    6·2 answers
  • What is the answer? 6.3 = 0.7x
    13·2 answers
  • A student takes ten exams during a semester and receives the following grades: 90, 85, 97, 76, 89, 58, 82, 102, 70, and 67. Find
    13·2 answers
  • Lana ate at her favorite restaurant last weekend. She decided to leave a 20% tip for her server. Before tip, her bill came to $3
    8·2 answers
  • A company packages their product in two sizes of cylinders. Each dimension of the larger finder
    9·1 answer
  • What is the answer to this inequality question 2(4x+1)&lt;3(2x-3)
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!