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
Paha777 [63]
2 years ago
7

I never was good at math, so i wanted to ask someone for help,

Mathematics
1 answer:
Dvinal [7]2 years ago
8 0

Answer:

b=4

Step-by-step explanation:

-11+9b^2=25

add 11 to both sides

9b^2=36

divide both sides by 9

b^2=4

take the square root of both sides

b=4

You might be interested in
Write these numbers in standard form
sertanlavr [38]

Answer:

1. 2 × 10⁵

2. 8 × 10⁴

3. 9 × 10⁸

4. 1 × 10¹⁰

Step-by-step explanation:

3 0
3 years ago
In ΔKLM, k = 700 cm, l = 460 cm and ∠M=78°. Find the length of m, to the nearest centimeter.
pashok25 [27]

Answer:

753

Step-by-step explanation:

m^2 =700^2 +460^-2 −2(700)(460)cos78

m^2 = 490000+211600-2(700)(460)(0.207912)

m^2 = 490000+211600-133895.12889

m^2 = 567704.87111

m=753.462=753

6 0
3 years ago
When the side of a square is decreased in length by 1 foot, its area is 8 ft2. The length of a side of the square is 1 + 2.
NemiM [27]

Answer:TRUE

Step-by-step explanation:

6 0
3 years ago
Ms. De Leon wants to produce different sets of test questions for her essay test. If she plans to do this by putting together 3
gladu [14]
The correct answer is b
5 0
3 years ago
Pls help I will give brainliest
Brut [27]

Answer and Step-by-step explanation: (MAKE ME BRAINLIEST)

Simplified version

1) √14/6

2)√2

3)√7/3

4)√3/7

*step by step is shown in the photos.

4 0
3 years ago
Other questions:
  • Given rhombus PQRS and angle S=40 degrees, what is the measure of angle R
    15·1 answer
  • Is seven/tenth rational or irrational?
    9·2 answers
  • Determine if 9x2− 12x− 4 is a perfect square trinomial and factor.
    11·1 answer
  • The position function of a spaceship is below and the coordinates of a space station is r(t) r(t)=(3+t)i+(2+lnt)j+(7−4/t2+1)kand
    14·1 answer
  • it cost $20 per hour to bowl and $3 for shoe rental. write a verbal model and algebraic expressions to represent the cost for n
    10·1 answer
  • A musical instrument has a pitch of 220 hertz when the wavelength is 3 feet. When the wavelength is 4 feet, the pitch is 165 her
    8·1 answer
  • Math is my weak suit.
    8·2 answers
  • The ratio of John's money to Jimmy's money is 5:8. Jimmy spent 1/4
    7·1 answer
  • Define energy .....?​
    6·1 answer
  • Help me, please! I need to start my new semester today so please helpppp!!!!!
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!