Sign In
Ask Question
Mathematics
Kaiser
23 June, 19:26
2b + 8 - 5B + 3 = - 13 + 8B - 5
+1
Answers (
2
)
Milo Cooke
23 June, 21:07
0
Answer: b=2.4
Step-by-step explanation:
First you want to add the same things on the same side: 2b + (-5b) which equals - 3b
Then do the same thing to this:8+3=11
Then:-13-5=-18
Which shows as: 8-3b = - 18+8b
Then you take the smallest subscript: - 3b and add itself to itself: - 3b+3b=0
And do the same with the other subscript: 8b+3b=11b
Which shows as: 8=-18+11b
Then box the 11b and add the - 18 to itself: - 18+18=0
Do the same with the other side: 8+18=26
Which shows as: 26=11b
Then divide each side by 11.
Then this is your answer: b=2.4
Comment
Complaint
Link
Mara Ferguson
23 June, 22:57
0
8b2-10b2+3=0
Two solutions were found:
b = ±√ 1.500 = ± 1.22474
Step by step solution:
Step 1:
Equation at the end of step 1:
((8 • (b2)) - (2•5b2)) + 3 = 0
Step 2:
Equation at the end of step 2:
(23b2 - (2•5b2)) + 3 = 0
Step 3:
Trying to factor as a Difference of Squares:
3.1 Factoring: 3-2b2
Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)
Proof : (A+B) • (A-B) =
A2 - AB + BA - B2 =
A2 - AB + AB - B2 =
A2 - B2
Note : AB = BA is the commutative property of multiplication.
Note : - AB + AB equals zero and is therefore eliminated from the expression.
Check : 3 is not a square!
Ruling : Binomial can not be factored as the
difference of two perfect squares
Equation at the end of step 3:
3 - 2b2 = 0
Step 4:
Solving a Single Variable Equation:
4.1 Solve : - 2b2+3 = 0
Subtract 3 from both sides of the equation:
-2b2 = - 3
Multiply both sides of the equation by (-1) : 2b2 = 3
Divide both sides of the equation by 2:
b2 = 3/2 = 1.500
When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:
b = ± √ 3/2
The equation has two real solutions
These solutions are b = ±√ 1.500 = ± 1.22474
Two solutions were found:
b = ±√ 1.500 = ± 1.22474
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“2b + 8 - 5B + 3 = - 13 + 8B - 5 ...”
in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Jerome uses the formula, P = 2DB, to find approximate six month premium when his driver risk factor, d, is 1.02 and the basic six month premium is $500. A. $170.00 B. $270.60 C. $300.50 D. $332.00
Answers (1)
Whats 3072 divided by 32
Answers (1)
Use the distributive property to remove the parentheses -2 (v-y-2)
Answers (1)
You are allowed 10 years to pay loan back find simple interest on the loan if you borrowed 3600 at 8%
Answers (1)
Nancy hears a report that the average price gasoline is $2.82. She averages the price of stations near her home. She fimds the average price of gas to be $3.03. Why are the averages different?
Answers (1)
New Questions in Mathematics
If Juan drives 50 mph for 1.5 hours and then 70 mph for 0.5 hours, then how far did he drive?
Answers (1)
1/2 of 1/6 what is it
Answers (2)
Right triangles MNP and QRS are congruent. What is the area of △MNP? 40 m2 60 m2 68 m2 127.5 m2
Answers (2)
The sum of three consecutive numbers is 46. Find the 19, 20, and 21 20, 21, and 22 21, 22, and 23 22, 23, and 24
Answers (1)
Find two consecutive integers whose product is 702
Answers (1)
Home
»
Mathematics
» 2b + 8 - 5B + 3 = - 13 + 8B - 5
Sign In
Sign Up
Forgot Password?