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Ratling [72]
3 years ago
8

For the problem 135 divided by 5, draw two different ways to break apart the array.Use the Distributive Property to write produc

ts for each different way.
Mathematics
1 answer:
777dan777 [17]3 years ago
4 0
The correct answer is 27
You might be interested in
If y = x2 + 2x , find the value of y when x = 5
Arturiano [62]

Answer:

Step-by-step explanation:

Okay so you are gonna substitute x for 5 so the equations will look like y= (5)2+(5)2

So 10+10 = 20

So y=20

8 0
3 years ago
A parallelogram has coordinates A(1, 1), B(5, 4), C(7, 1), and D(3, -2). What are the coordinates of parallelogram A′B′C′D′ afte
saul85 [17]

Hey there! I'm happy to help!

First, we need to rotate our points 180° about the origin. To find the coordinates after such a rotation, we simply find the negative version of each number in the ordered pair, which can be written as (x,y)⇒(-x,-y).

Let's convert this below

A: (1,1)⇒(-1,-1)

B: (5,4)⇒(-5,-4)

C: (7,1)⇒(-7,-1)

D: (3,-2)⇒(-3,2)

Now, we need to translate these new points five units to the right and one unit down. This means we will add 5 to our x-value and subtract 1 from our y-value. This will look like (x,y)⇒(x+5,y-1). Let's do this below.

A: (-1,-1)⇒(4,-2)

B: (-5,-4)⇒(0,-5)

C: (-7,-1)⇒(-2,-2)

D: (-3,2)⇒(2,1)

Therefore, this new parallelogram has coordinates of A'(4,-2), B'(0,-5), C'(-2,-2), and D'(2,1)

Now you know how to find the coordinates of translated figures! Have a wonderful day! :D

5 0
3 years ago
Tell whether the angles are adjacent or vertical. Then find the value of $x$ .
boyakko [2]

Answer:

they are adjacent angles

Step-by-step explanation:

for adjacent angles

{(x + 3)}^{o}  =  {84}^{0}  \\ x = 84 - 3 \\ x = 81

7 0
2 years ago
A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.
Lisa [10]
The formula of the volume of a cylinder:

V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base

We have:

V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3

and

H=20\ dm

substitute:

\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2

Answer: The area of a base of the cylinder is equal 45 dm².
5 0
3 years ago
In order to estimate the mean amount of time computer users spend on the internet each​ month, how many computer users must be s
Lyrx [107]

Answer:

832

Step-by-step explanation:

standard deviation =228 minute

error =13 minute given

confidence level =905% =0.90

α=1-0.90=0.1

z_\frac{\alpha }{2}=z_\frac{0.1}{2}=1.645

we know that sample size should be greater than

n\geq \left ( z_\frac{\alpha }{2}\times \frac{\sigma }{E} \right )^2

n\geq \left ( 1.645\times \frac{228}{13} \right )^{2}

n\geq 28.850^2

n\geq 832.3668

n=832

4 0
3 years ago
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