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
Ivan
3 years ago
11

Expand and simplify (3x-1)(2x+5)

Mathematics
1 answer:
Mrac [35]3 years ago
6 0

(3x-1)*(2x+5)=

(6x²+15x-2x*5)=

6x²+13x-5

You might be interested in
Using sin^2x+ cos^2 x=1 and other trig properties, simplify the following: (cos^2Ø*tan^2Ø)/(1-cos^2 Ø.
user100 [1]
\dfrac{\cos^2\O\cdot\tan^2\O}{1-\cos^2\O}=\dfrac{\cos^2\O\cdot\tan^2\O}{\sin^2\O}=\dfrac{\cos^2\O}{\sin^2\O}\cdot\tan^2\O\\\\=\dfrac{1}{\dfrac{\sin^2\O}{\cos^2\O}}\cdot\tan^2\O=\dfrac{1}{\left(\dfrac{\sin\O}{\cos\O}\right)^2}\cdot\tan^2\O=\dfrac{1}{\tan^2\O}\cdot\tan^2\O\\\\=\dfrac{\tan^2\O}{\tan^2\O}=1

Used:\\\\\sin^2\O+\cos^2\O=1\to1-\cos^2\O=\sin^2\O\\\\\tan\O=\dfrac{\sin\O}{\cos\O}

8 0
3 years ago
Read 2 more answers
What is the solution of the system of equations shown in the graph below?
Mademuasel [1]
Answer is (-1,-2) As where 2 lines bisect, that point be the answer. And in given scenario, both the lines bisected at (-1,-2)
3 0
3 years ago
Read 2 more answers
Give a proper fraction whose denominator and denominator add up to 10
saveliy_v [14]

9514 1404 393

Answer:

  1/9, 2/8, 3/7, 4/6

Step-by-step explanation:

The fraction will be proper when the numerator is less than the denominator. That means numerators can be less than 10/2 = 5. The fractions that satisfy the requirement are ...

  1/9, 2/8, 3/7, 4/6

Those with even numerators can be reduced. So the reduced fractions are ...

  1/9, 3/7

6 0
3 years ago
Use the properties of exponents to simplify the expression: y^(y3)2
iren [92.7K]

because y^3 is raised to the power of two, we will have to multiply the exponents rather than adding them.

By distributing the power of 2, we will get y^2(6).

Because now the exponents are being multiplied, we can just add them to get y^8. The other y has a power of 1, so we'll just add the power of that y as well to get y^9.

summary:

multiply exponents if they are being raised to a power.

add exponents if they are being multiplied, and only add them if they have the same base (in this case, both the bases of the exponents are y, so we can add them)

8 0
3 years ago
A set of equations is shown above. Which method eliminates one of the variables? A) Multiply equation A by -1/3 and add the resu
Paraphin [41]

Answer:


Step-by-step explanation:

Multiplying Equation A by (1/3) and adding the result to Equation B will do the trick.  Let's actually solve the problem!

Equation A:  (5/3)x + 3y = 12

Equation B:    4x     -  3y = 8

                    ---------------------------

                     (5/3 + 12/3)x = 15        Note how this has eliminated the variable

                            (17/3)x = 15           y.

                                   x = (3/17)(15)

8 0
3 years ago
Other questions:
  • Create a word problem that uses division.Draw a bar model to help you write an equation to solve the problem
    6·1 answer
  • 4x10^7 is ? Times as much as 4x10^3
    9·2 answers
  • What's the answer and how do I solve it
    9·1 answer
  • Charlie needs to rent a car. Company A charges a rate of $40 per day,d, and company B charges a $60 fee plus $20 per day. For wh
    9·1 answer
  • A can of enchilada sauce contain 3 1 /2 servings. If one serving contains 250 mg of sodium, how many grams of sodium are in the
    6·1 answer
  • A rectangular area rug has a length of 3 4 feet and a width of 2 3/4
    5·1 answer
  • Line b and line c are perpendicular at the point (4,2). If the equation of line b is y=2x, what is the equation for line c?
    8·1 answer
  • Plz help!! 20 points!! on the line plz give me a real answer
    6·1 answer
  • 22. After paying $7.50 for a movie ticket, Salvador still had $3.75. How much money did
    12·1 answer
  • 25 points <br><br> Lesson number 6A - assignment level 1003
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!