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]
3 years ago
9

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

Mathematics
2 answers:
Anit [1.1K]3 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]3 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
Represent the following sentence as an algebraic expression, where "a number" is the letter x.
matrenka [14]
By the difference of "5 and a number", I assume you mean that number minus 5. In that case, the expression is 8 times (x-5).

If by "the difference of 5 and a number" you mean 5 minus that number, then the expression is 8 times (5-x).
7 0
4 years ago
Solve the inequality -3x+8<11
Nadusha1986 [10]

Answer:

x >-1

Step-by-step explanation:

Hope this helps you <3

7 0
3 years ago
Read 2 more answers
2x^2-50=0<br> Just use and algebraic method
Murrr4er [49]

Answer:

x = 5, x = -5

Step-by-step explanation:

First, you can notice both terms of the equation are divisible by 2, so you can factor it out to get:

2(x^2 - 25) = 0

You can recognize the expression x^2 - 25 as the special product for the difference of squares, so it would be factored into (x + 5)(x - 5). When we plug it in we get:

2(x + 5)(x - 5) = 0

Now, we can use the zero-product property to get two equations:

x + 5 = 0

-and-

x - 5 = 0

Solving them both we get:

x = 5, x = -5

8 0
3 years ago
Wen Ti is on the outer edge of a carousel with a radius of 4.6 ft.
erik [133]
To find how far she will spin in one turn you will find the circumference of the circle that has a radius of 4.6 feet.

C = 2 x pi x r
2 x 3.14 x 4.6
C = 28.9 feet

She will travel about 28.9 feet in one spin.
3 0
4 years ago
Please help i have an F in math
Alecsey [184]
I think x equals 137
8 0
3 years ago
Read 2 more answers
Other questions:
  • #7 HELP ! WILL GIVE BRANLIEST
    6·1 answer
  • *Write an algebraic expression for each situation*
    9·1 answer
  • two similar pyramids have heights 12 and 18. Find the ratios of the base areas, lateral areas, total areas, and volumes.
    15·1 answer
  • Which expression represents the area of triangle ABC in square meters?
    13·2 answers
  • Christopher swam laps everyday in the town swimming pool. He swam 45 minutes each day, five days each week, for twelve weeks.in
    8·1 answer
  • A can of soda weighs 336 grams. Find the weight in kilograms of 15 cans.
    15·1 answer
  • Point F' is the image when point F is reflected over the line x= -2 and then over the line y = 3.
    11·1 answer
  • Which number is between -0.49 and 0.01 on a number line?
    7·1 answer
  • ✧I need help please ✧<br> »»—I'll give brainliest if correct —««<br> image attachment!
    5·1 answer
  • Linear equation 3+X=-2 ​
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!