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
Svetradugi [14.3K]
3 years ago
12

Plz..... Solve this questions for me...

Mathematics
1 answer:
faust18 [17]3 years ago
3 0

6.\\\text{We know}\ 9=3^2.\ \text{Therefore}\\\\9^2=(3^2)^2\\\\\text{use}\ (a^n)^m=a^{nm}\\\\9^2=(3^2)^2=3^{2\cdot2}=3^4\\\\\boxed{3^4=9^2}\\=================

7.\\METHOD\ 1:\\\\\sqrt{7^4}=\sqrt{7^{2\cdot2}}\\\\\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(7^2)^2}\\\\\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=\boxed{7^2}\\\\METHOD\ 2:\\\\\text{use}\ a^\frac{m}{n}=\sqrt[n]{a^m}\\\\\sqrt{7^4}=7^\frac{4}{2}=\boxed{7^2}\\=================

8.\\5^a\times5^b=5^{11}\\\\a)\\\text{use}\ a^n\times a^m=a^{n+m}\\\\5^a\times5^b=5^{a+b}\\\\5^{a+b}=5^{11}\Rightarrow a+b=11\\\\11\ \text{is odd. The sum of even and odd is odd. Therefore}\ a\ \text{and}\ b\ \text{can't be even.}\\--------------------\\\\b)\\5\ \text{solutions}\\\\11=5+6\\11=4+7\\11=3+8\\11=2+9\\11=1+10

You might be interested in
Given any two arcs, the larger of the arcs is always called a minor arcTrueFalse
GrogVix [38]

When we have two arcs in a circle, one larger and one smaller, one will be called the minor arc and the other the minor arc.

The name of the arc depends on its size, for example, given the following green and yellow arcs, the green, which is smaller, will be the minor arc:

Therefore, the larger arc is always called Major arc, not minor arc.

The statement is False.

Answer: False

4 0
1 year ago
Can u pls help kkkkk
natima [27]

Answer:

The answer is the third one, 57.4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
45% grass and the rest paved. how much is paved?
Lana71 [14]
Well we know that total percentages always equals 100 so x + 45 = 100. You should get x = 55%
8 0
3 years ago
I NEED HELP NOW ON PROBABILITY PART 3!!!!
inn [45]
22. P(n > 3) = P(4)+P(5) = (4+5)/30 = 9/30 = 3/10

23. The game isn't fair because there as many even numbers as there are odd numbers on a die. You get double the points he gets at the same chance!
6 0
3 years ago
Read 2 more answers
George uses the diagram below to help determine 30% of 60. Which expression could George have used?
Wewaii [24]
60 *(30/100) works too
5 0
3 years ago
Read 2 more answers
Other questions:
  • Slope (12,-18),(11,12)
    15·1 answer
  • What is the percent decrease of $65.50 to $52.40
    7·1 answer
  • The stem and leaf plot below shows the number of points scored in each basketball game a team played during a season in how many
    5·2 answers
  • For one month, Terry recorded the time at which her school bus arrived. She organized her results in a frequency table. Find the
    5·1 answer
  • Is 7x+14 equivalent to 7x-7?
    15·2 answers
  • Plz answer for 20 pts
    10·2 answers
  • You leave an 18% tip on a $45.00 dinner bill.how much was the tip.
    12·1 answer
  • You have $85 in your bank account. Each week you plan to deposit $9 from your allowance and $20 from your paycheck. The equation
    12·1 answer
  • I need 9-12 please!!​
    13·1 answer
  • Highest common factor of 275 and 350?​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!