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2 years ago

Which property is illustrated by the statement? 8⋅x=x⋅8

Mathematics

1 answer:

weeeeeb [17]2 years ago

4 0

Answer:

Any value of x makes the equation true.

Step-by-step explanation:

all real numbers

interval notation:(-infinity, infinity)

pls mark as brainliest lol

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The area of a square backyard is

kvasek [131]

Answer:

100 meters

Step-by-step explanation:

Since the backyard is a square, each side is the same length and there are 4 sides. So, 400÷4=100

7 0

2 years ago

About how accurately must the tank's exterior diameter be measured to calculate the amount of paint it will take to paint the si

kondaur [170]

Answer: The error of the diameter would be 5% .

Step-by-step explanation:

Since we have given that

$S=2\pi rh$

Here, r is the radius

h is the height

So, it becomes,

$S=2\pi (\dfrac{D}{2})h\\\\S=\pi Dh\\\\S=\pi D\times 10\\\\S=10\pi D$

So, we will derivate S wrt D, we get that

$\dfrac{dS}{dD}=10\pi\\\\dS=10\pi dD$ ---------------------(1)

As we have given that

it will take to paint the side of the tank to within 5% of the true amount.

So, it becomes,

$dS=0.5\pi D$ ---------------(2)

So, from (1) and (2) , we get that

$0.5\pi D=10\pi dD\\\\\dfrac{0.5\pi}{10\pi}=\dfrac{dD}{D}\\\\0.05=\dfrac{dD}{D}=5\%$

Hence, the error of the diameter would be 5% .

5 0

3 years ago

HELP!...................................................

DaniilM [7]

Answer:

1.6 hrs remaining, or 3.12 km/h

Step-by-step explanation:

7 0

2 years ago

A prism is completely filled with 2304 cubes that have edge length of 1/4 cm

Fofino [41]

576 cm you were times 2304×4 after doing all the multiplication you would get 576 cm

6 0

3 years ago

Read 2 more answers

How do you solve this?

GrogVix [38]

96+24^6+9
105+24^6
=163.78775

8 0

3 years ago