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anygoal [31]
3 years ago
13

Associative property of (21)(7)(3x) ? PLEASE HELPPPP 40 PTS!!!!

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
8 0

So the associative property is basically as long as it's addition or multiplication,  you can move around the groupings and it will still be the same.


For example, you can say:(21 * 7) (3x)  instead of (21)(7)(3x)


And it would be equal to the old version.


(To answer your other question, the commutative property is you can move around all the parts of the equation as long as it's addition or multiplication.)


So basically, it would be the first one you sent me.



Read more on Brainly.com - brainly.com/question/5176491#readmore

sdas [7]3 years ago
3 0
Ehh, now it's letting me answer.

So the associative property is basically as long as it's addition or multiplication,  you can move around the groupings and it will still be the same.

For example, you can say:(21 * 7) (3x)  instead of (21)(7)(3x)

And it would be equal to the old version.

(To answer your other question, the commutative property is you can move around all the parts of the equation as long as it's addition or multiplication.)

So basically, it would be the first one you sent me.
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What is the quotient? Negative StartFraction 3 over 8 EndFraction divided by negative one-fourth
anyanavicka [17]

Answer:

\dfrac{3}{2}

Step-by-step explanation:

We are given 2 fractions.

1st fraction is Negative StartFraction 3 over 8

i.e.

-\dfrac{3}{8}

2nd fraction is negative one-fourth

i.e.

-\dfrac{1}{4}

We have to find the quotient when 1st fraction is divided by 2nd fraction.

<u>Definition</u> of quotient is given as:

Quotient is the result obtained when one number is divided by other number.

-\dfrac{3}{8} \div -\dfrac{1}{4} \text{ is to be calculated.}

\div is converted to \times and the 2nd fraction is reversed i.e.

if the fraction is \frac{p}{q} it becomes \frac{q}{p} and the sign \div is changed to \times.

Solving above:

-\dfrac{3}{8} \times -\dfrac{4}{1}\\ \text {Multiplication/Division of 2 negative number gives a positive number}\\\Rightarrow \dfrac{3}{2}

So, the quotient is \frac{3}{2}.

6 0
3 years ago
PLEASE HELP!!!!!
Angelina_Jolie [31]

Answer:

Amplitude =  1

Period =  pi/2

Horizontal (phase) shift = pi

 units Vertical shift = 0 units

right

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
After prime planting season was over, a horticulturist sold lilac bushes for $15.00. If the original price was $39.00, what is t
hoa [83]
Find what percent of $39.00 the sale price was.
=> 15/39*100=38.4%
now subtract from 100% to get the mark down percentage.
100-38.4=61.6
Final answer:
Marked down 61.6%
Hope I helped :)
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mars1129 [50]
Adding 9.5 every time

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Please help 20 points please helpppp I don’t understand
Elan Coil [88]

Answer:

I think that its 58 degrees

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