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
Tcecarenko [31]
2 years ago
9

7) 4b2 + 8b + 7 = 4 What the answer

Mathematics
2 answers:
Anit [1.1K]2 years ago
8 0

4b² + 8b + 3 = 0

4b² + 2b + 6b + 3 = 0

2b(2b + 1) + 3(2b + 1) = 0

(2b + 3)(2b + 1) = 0

b = -1/2 or b = -3/2

san4es73 [151]2 years ago
7 0
B= -1/2 or b= -3/2

1. Subtract 4 from both sides.
2. Factor left side of equation.
3. Set factors equal to 0.
You might be interested in
Help me please <br> math question
Diano4ka-milaya [45]

Answer: the answer would be D

Step-by-step explanation: in the exponent fraction the root would be 3 because the base of the fraction is thred. Always look at that.  

7 0
3 years ago
Evaluate the expression 5(8y+3r-5z) if r=3,y=5/8,and z=2
snow_lady [41]
First you plug in the missing values
5(8×5/8+3×3-5×2) = 20
3 0
3 years ago
What is the value of ?<br> 18 - (2 x ? ) = ? x 4
Dmitry_Shevchenko [17]

Answer:

?= 3

Step-by-step explanation:

let x = ?

18-2x=4x

6x=18x

x=3

6 0
3 years ago
Read 2 more answers
Which functions can have a vertex?
vovikov84 [41]

Answer:

quadratic functions have a vertex

6 0
2 years ago
Solve(100 points to right answer)If you get it wrong or type random stuff you will be reported
anygoal [31]

Answer:

24 ft

Step-by-step explanation:

Hypotenuse = √9²+16²=√81+256=√400=20ft

the upper side of the stuff = 4 ft

total = 20+4=24

5 0
2 years ago
Other questions:
  • The original vertices of a quadrilateral are (-2,3), (4,6), (4,2), and (3, -2). After a transformation, the new coordinates are
    11·1 answer
  • Moises is determining the solution to the system of equations that is show below. Equation representing line A: mc018-1.jpg Poin
    5·1 answer
  • What is the perimeter of a square window with sides 36 inches long?
    6·2 answers
  • Alaine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10 inches wide, 12 inches long, and 5 cm d
    14·1 answer
  • The expression (x-6)2is equivalent to
    15·1 answer
  • 1) Calcule:
    8·1 answer
  • PLEASE HELP ASAP WILL MARK THE BRAINLEST
    13·2 answers
  • I need help with answer number 3. Help me please
    14·1 answer
  • 25 points for grabs!
    12·1 answer
  • 5.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!