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
allochka39001 [22]
3 years ago
10

Combine like terms. Please help me.

Mathematics
1 answer:
My name is Ann [436]3 years ago
3 0

Answer:

15y^2-45

Step-by-step explanation:

5y^2+10y^2-45 = 15y^2-45

You might be interested in
3. Find the length of the missing side given the information below.
Lubov Fominskaja [6]
<h3>Answer:  12.5  (choice C)</h3>

=================================================

We apply the pythagorean theorem to find this answer.

a = 11 and b = 6 are the given legs

c = unknown hypotenuse

So,

a^2+b^2 = c^2

c = sqrt( a^2+b^2 )

c = sqrt( 11^2 + 6^2 )

c = sqrt( 121 + 36 )

c = sqrt( 157 )

c = 12.52996 approximately

c = 12.5

Side note: once you replace 'a' and b with 11 and 6, you can compute everything with a calculator in one single step more or less. The steps above are shown if you wanted to find the exact value sqrt(157).

7 0
3 years ago
*Brainliest*<br> I need help with 4 problems like this...KHAN ACADEMY.
Sedaia [141]

9514 1404 393

Answer:

  1. (x +1)² = 4
  2. (D)  x = -1 ±2

Step-by-step explanation:

Start by getting the x-terms on one side of the equal sign. We can do that by subtracting x from both sides.

  3 = x² +2x

Now, add the square of half the x-coefficient.

  3 +1 = x² +2x +1

  (x +1)² = 4 . . . . . . . . write as a square in the desired form

__

To solve, take the square root, and add the opposite of the left-side constant.

  x +1 = ±2

  x = -1 ±2 . . . . . . matches choice (D)

5 0
3 years ago
Please help me out!!!!
Kobotan [32]

Answer:

All real numbers

Step-by-step explanation:

4(x+1) = 4x+4

Distribute

4x+4 = 4x+4

Subtract 4x from each side

4x+4-4x = 4x+4-4x

4=4

This is always true so there are infinite solutions

3 0
3 years ago
Read 2 more answers
732,178+167-542,137=
madreJ [45]
( 732,178 + 167 ) = 899,178
899,178 - 542,137 = *357,041 that's the last result.
3 0
3 years ago
Read 2 more answers
Sonny has $75 to spend. The purchase he wants to make requires $93. If he borrows extra money that he needs, how much does he ne
xz_007 [3.2K]

he needs to borrow 18$


4 0
3 years ago
Read 2 more answers
Other questions:
  • A sea turtle swims at a speed of 27 km per h. A girl swims 14 dm per s. How much faster does the sea turtle swim than the girl i
    15·1 answer
  • Solve the following system of equations by substitution and select the correct answer below:
    13·2 answers
  • The is 12,000ft what the diameter
    8·1 answer
  • What does 1/8x-49/8 equal
    14·1 answer
  • 38% of the animals are dogs. 40% of the animals are spotted. 12% of the animals are spotted dogs. What percent of the animals in
    5·2 answers
  • Monique runs 1/4 mile five times a week. How many miles does she run each week?
    11·1 answer
  • Find the nth term of the quadratic sequence
    10·2 answers
  • PLS HELP ME W/ #8 ASAP
    15·1 answer
  • Estimate 530x375. Is the estimated product closer to 150,000 or 200,000? Explain.
    13·2 answers
  • What should be subtracted from 5/8 to make it -1​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!