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
rewona [7]
2 years ago
11

Its asking to expand and simplify an expression for the area of this rectangle. ​

Mathematics
2 answers:
Anettt [7]2 years ago
7 0

Answer:

4x^2 + 11x - 20

Step-by-step explanation:

  1. area is width X height
  2. multiply the width (4x - 5) and the height(X + 4)
  3. I always imagine a multiplication grid for this kind of problem, with X and +4 at the top and 4x and -5 going down, and then combine terms
  4. you get 4x^2 + 11x - 20
atroni [7]2 years ago
5 0

Answer:

(4x-5)(x+4)

  • 4x squared- 16x -5x - 20
  • 4x squared-21x - 20
You might be interested in
Examples of properties communative, associative, and identity?
BlackZzzverrR [31]

Answer:

Communative: 12 x 5= 5 x 12 Associative: (5) + 6 = (8) + 3 Identity: 5 x 1= 5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find x<br><br> show steps too please<br><br> will give brainliest
9966 [12]

Hello from MrBillDoesMath!

Answer:   x = 7/10

Discussion:

To eliminate fractions multiply each side by 10:

10 ( 9/5x - 2/5 )  = 10 * ( 8x +3)/10      or

10 * ( 9/5)x - 10 *(2/5)  =   8x + 3  or

9 *2 x - 2*2 = 8x +3   or

18x - 4 = 8x + 3.  Subtract 8x for each side:

18x - 8x - 4 = (8x - 8x) + 3 or

10x -4 =  0x + 3 or

10x -4 = 3 or

10x = 7

x = 7/10




Thank you,

MrB

7 0
3 years ago
64 POINTS
sveticcg [70]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ As there would be 2 circles, you'd need to find the area of a circle and then multiply it by 2

To start with, we can use this:

2 (\pir^2)

^^ This represents the surface area of the two circles

A cylinder also has a rectangle which is rolled to form the shape

As we know, the formula of a rectangles area is length x width

The width of the rectangle would be equal to the circumference of a circle

circumference of circle = \pi d

The length of the rectangle would be the height of the cylinder

We can use this:

(\pi d * h) + 2(\pi r^2)

This would calculate the surface area as it would find the area of the rectangle plus the area of the two circles.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

<u></u>

↬ ʜᴀɴɴᴀʜ ♡

6 0
2 years ago
Determine the intercepts of the line.<br> x-intercept: (_,_)<br> y-intercept: (_,_)
BabaBlast [244]

Answer:

x int(-7.5, 0)

y int (0, 5.5)

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
What is the solution to this system of equations?
vovangra [49]

3x + 2y=-10 equation 1

y=-x -4 equation 2

use the substitution method of elimination to get the answer to the question.

*using substitution

substitute equation 2 in one and we get

3x +2(-x-4)=-10

3x- 2x-8=-10

x=-2 and y=-2

Answer:

B

7 0
2 years ago
Read 2 more answers
Other questions:
  • Add. 1/2+(−3/5) <br><br><br> can u help me
    14·2 answers
  • Find the surface area??
    6·1 answer
  • 2 questions
    14·1 answer
  • Ecuación de la hipérbola con centro en (0;0), focos en abrir paréntesis 0 coma espacio menos raíz cuadrada de 28 cerrar paréntes
    15·1 answer
  • Can someone help me out please
    7·1 answer
  • Please help I really don’t understand anything at all !
    10·1 answer
  • In the diagram, the measure of angle 6 is 98°. A transversal intersects 2 lines to form 8 angles. Clockwise from top left, the a
    10·2 answers
  • |-4+5x|=16 <br> Pls help<br> Pls
    14·1 answer
  • Pleaseeee help thanks.. lol
    5·2 answers
  • Which function has an inverse that is also a function? y = 3 2 - 5 3 y = 322 y= x - y = 322 – 5x + 3
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!