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Oksi-84 [34.3K]
3 years ago
13

What's the anewer to this problem..?

Mathematics
2 answers:
valentina_108 [34]3 years ago
4 0
21x(9)=9x21
21y= 9x21
Y=9x21/21
Y=9x1
Y=9
Elanso [62]3 years ago
3 0

<u>Answer:</u> The correct answer is 9.

<u>Step-by-step explanation:</u>

Multiplication property of equality is defined as the property in which the a number multiplied on one side of the equation must be multiplied to the other side of the equation with the same sign.

a\times c=b\times c

c is multiplied on both the sides of the reaction.

In the given question:

21\times x=9\times 21

Thus, the value of 'x' will be 9 by associative property.

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The difference between two numbers is 4. Three times the larger is 2 more than five times the smaller. Find the numbers.
Vitek1552 [10]

Let x represent the larger number.
Let y represent the smaller number.
x-y=4 Given
3x=5y-2 Given 
Now we can just substitute; let x=4+y 
Substitute 4+y for x in the second equation:
3(4+y)=5y-2
12+3y=5y-2
-2y=-14
y=7
Substitute back (into BOTH equations to double check work).
x, the larger number, is 11 
8 0
3 years ago
Read 2 more answers
Neeeeed Helppppppp tyyyyyyyyyy
aalyn [17]

Answer:

4a-16? i have no idea

Step-by-step explanation:

8 0
3 years ago
A father leaves his money to his four children the first received 1/3 the second received 1/6 and the third received 2/5 how muc
Eduardwww [97]

Answer:

The remaining child got a fraction of  \frac{1}{10}.

Step-by-step explanation:

Lets take the fraction of the money fourth child got is x

Addition of all these fractions should be equal to 1.

⇒\frac{1}{3} +\frac{1}{6} +\frac{2}{5} +x=1

⇒\frac{10+5+12+30x}{30} =1 (Taking a common denominator)

⇒\frac{27+30x}{30} =1

⇒27+30x=30

⇒30x=3

⇒x=0.1

Therefore,

The remaining child got a fraction of  \frac{1}{10}.

4 0
3 years ago
2. In how many ways the letters of word Monday be arrange
KengaRu [80]
I only found 4 ways, hope this helps
7 0
3 years ago
1/3 (x-10) = -4 <br> what is x?
stepan [7]

Answer:

x = -2

Explanation:

1/3 (x-10) = -4

(3) 1/3 (x-10) = (3) -4

x - 10 = -12

x = -12 + 10

x = -2

:))

8 0
3 years ago
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