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
Galina-37 [17]
10 months ago
13

Subtract 5y-8 from 2y+8

Mathematics
1 answer:
Eva8 [605]10 months ago
7 0

Subtract 5y - 8 from 2y + 8

To subtract two numbers, we can do it like this:

10 - 4 = 10 + (-4)

That is, add the first number with the second number with its sign changed. For simple numbers, it does not make much difference, but for algebraic expressions, it can help a lot.

To subtract both binomials, we write the first plus the second with changed signs:

2y + 8

-5y + 8

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

-3y + 16

The result of the subtraction is -3y+16

You might be interested in
The position vector for a particle moving on a helix is
topjm [15]

Answer:

a) 25.15

b)

   x = 1

   y = t

   z = (4pi)^2 + t *(8pi) = 4pi(4pi + 2t)

c) (x,y) = (1, -2pi)

Step-by-step explanation:

a)

First lets calculate the velocity, that is, the derivative of c(t) with respect to t:

v(t) = (-sin(t), cos(t), 2t)

The velocity at t0=4pi is:

v(4pi) = (0, 1, 8pi)

And the speed will be:

s(4pi) = √(0^2+1^2+ (8pi)^2) = 25.15

b)

The tangent line to c(t) at t0 = 4pi has the parametric form:

(x,y,z) = c(4pi) + t*v(4pi)

Since

 c(4pi) = (1, 0, (4pi)^2)

The tangent curve has the following components:

x = 1

y = t

z = (4pi)^2 + t *(8pi) = 4pi(4pi + 2t)

c)

The intersection with the xy plane will occurr when z = 0

This happens at:

  t1 = -2pi

Therefore, the intersection will occur at:

(x,y) = (1, -2pi)

6 0
3 years ago
What is the result when the number 48 is decreased by<br> 15%?
Hitman42 [59]

Answer:

40.8

Step-by-step explanation:

48 * .15 = 7.2

48 - 7.2 = 40.8

3 0
3 years ago
Read 2 more answers
Please help me with these questions , thank you​
Angelina_Jolie [31]

Answer:

1. 4x^{3} + 26x² + 4x - 48

2. 2x^{3} - 23x² + 60x - 32

3. x^{5} + 7x^{3} - 4x + 2x^{4} + 14x² - 8

4. 2x^{7} + x^{6} - 28x^{5} + 3x + 12

Step-by-step explanation:

To multiply polynomials, simply distribute whatever's outside the largest set of parenthesis, then combine like terms.

1) Distribute the parenthesis (x + 6):

x(4x² + 2x - 8)  +  6(4x² + 2x - 8)

4x^{3} + 2x² -8x  +  6(4x² + 2x -8)

4x^{3} + 2x² -8x + 24x² + 12x - 48

Combine like terms:

4x^{3} + 26x² + 4x - 48

2) Distribute the parenthesis (x - 8):

x(2x² - 7x + 4)  +  (-8)(2x² - 7x + 4)

2x^{3} - 7x² + 4x  +  (-8)(2x² - 7x + 4)

2x^{3} - 7x² + 4x  +  -16x² + 56x - 32

Combine like terms:

2x^{3} - 23x² + 60x - 32

3) Distribute the parenthesis (x + 2):

x(x^{4} + 7x² - 4)  +  2(x^{4} + 7x² - 4)

x^{5} + 7x^{3} - 4x  +  2(x^{4} + 7x² - 4)

x^{5} + 7x^{3} - 4x + 2x^{4} + 14x² - 8

No like terms to combine, so:

x^{5} + 7x^{3} - 4x + 2x^{4} + 14x² - 8

4) Distribute the parenthesis (x + 4):

x(2x^{6} - 7x^{5} + 3)  +  4(2x^{6} - 7x^{5} + 3)

2x^{7} - 7x^{6} + 3x  +  4(2x^{6} - 7x^{5} + 3)

2x^{7} - 7x^{6} + 3x + 8  x^{6} - 28x^{5} + 12

Combine like terms:

2x^{7} + x^{6} - 28x^{5} + 3x + 12

hope this helps!

8 0
2 years ago
Find the volume of the following solid figure. A rectangular solid has sides of 10.5 cm, 6.5 cm, and 8.5 cm. What is its volume?
Zolol [24]
580.125 cm3 is the answer.
6 0
3 years ago
Read 2 more answers
Which statement is NOT true of mitosis?
Vilka [71]

Answer:

D, it is a way or dying cells can be replaced

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • Barbara's piano instructors House is 7 1/8 miles from her house. After biking for 1 3/4 Miles she stops to rest how much longer
    5·1 answer
  • Select all equations that could be used to find the measure of angle C, using the fact that the sum of all the angles in a trian
    7·1 answer
  • Which set of ordered pairs represents y as a function of x?
    8·1 answer
  • Find the points on the curve y = 2x3 + 3x2 − 12x + 7 where the tangent line is horizontal.
    12·1 answer
  • Sara wants to add 0.35 to 1/2 using fractions. Which fraction can she use for 0.35?
    5·1 answer
  • Can someone solve this problem?
    5·2 answers
  • Pls help me!! <br> Answer choice:<br> A-30,500<br> B-17,700<br> C-15,630<br> D-12,800
    10·1 answer
  • Which of the following statement(s) is/are true about rectangles? i. The diagonals are congruent. ii. All sides are congruent. i
    11·2 answers
  • What is the value of x?
    15·2 answers
  • Write twenty-four minus the product of three and two as a numerical expression
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!