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2 years ago

5

HELP QUICK PLS Which property is used in the following expression? (4 + 8) + 6 = 4 + (8 + 6) Associatve Property Commutitive Pro

perty Distributive property

1 answer:

xenn [34]2 years ago

7 0

the answer is distrubutive property

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The Identity function i behaves just like the number 1. That is (F o i)=f and (i o g)= g

andrezito [222]

I'll denote the identity function by $\mathrm{Id}$ . Then for any functions $f$ with inverse $f^{-1}$ ,

$\begin{cases}f\circ\mathrm{Id}=f\\\mathrm{Id}\circ f=f\\f\circ f^{-1}=\mathrm{Id}\end{cases}$

One important fact is that composition is associative, meaning for functions $f,g,h$ , we have

$(f\circ g)\circ h=f\circ(g\circ h)$

So given

$h=f\circ g$

we can compose the functions on either side with $g^{-1}$ :

$h\circ g^{-1}=(f\circ g)\circ g^{-1}=f\circ(g\circ g^{-1})$

then apply the rules listed above:

$h\circ g^{-1}=f\circ\mathrm{Id}=f$

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3 years ago

What’s the area for each of these figures

Rainbow [258]

Step-by-step explanation:

you should try multiplying all the sides and don't forget that a triangle is base times height and divided by two

8 0

3 years ago

Mrs. James has $40.50 to spend at the store. She wants to buy a dress that costs thirty dollars and necklaces that cost $3.50. H

Cloud [144]

Answer:

3 necklaces

Step-by-step explanation:

$40.50-$30.00=$10.50 Subtract her total money and cost of dress

$10.50-$3.50=$6.00 subtract each necklace price from remaining money

$6.00-$3.50=$3.50 keep subtracting price of necklace

$3.50-$3.50=$0 that was 3 necklaces

8 0

2 years ago

The first three terms in a pattern are shown in the image below. How many circles would be in the 5th term?

Alex Ar [27]

Answer:

15

Step-by-step explanation:

the pattern is like this

start with 1 then add 2 equals 3

start with 3 then add 3 equals 6

so 6 add 4 equals to 10

and the 5th term will be 10 add 5

equals to 15

4 0

3 years ago

A circular garden has a circumference of 88 yards. Lars is digging a straight line along a diameter of the garden at a rate of 7

ankoles [38]

Answer:

It will take 4 hours to dig in the garden

Step-by-step explanation:

First we have to calculate the diameter, for this we will use the formula to calculate the circumference of a circle and we will clear the diameter

d = diameter

π = 3.14

c = circumference

c = π * d

d = c / π

d = 88yd / 3.14

d = 28.025yd

round to the nearest whole number

28.025 = 28

d = 28yd

To know how many hours it takes, we divide the diameter by the speed

t = time

v = velocity

t = d / v

t = (28yd) / (7yd/h)

t = 4h

It will take 4 hours to dig in the garden

4 0

3 years ago