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oksian1 [2.3K]
2 years ago
9

One number is 10 times as large as another, and their difference is 81. Find the numbers.

Mathematics
2 answers:
marysya [2.9K]2 years ago
6 0

Answer:

90

Step-by-step explanation:

10x - x = 81

9x = 81

x = 9

larger number = 10 x 9 = 90

mihalych1998 [28]2 years ago
4 0

For this case we have that "x" is the variable that represents the smallest number to find. Let and the variable that represents the largest number, then:y = 10x\\y-x = 81

Substituting the first equation in the second:

10x-x = 81\\9x = 81\\x = \frac {81} {9}\\x = 9

So, the biggest number is:

y = 10 * 9 \\y = 90

Answer:

10x

90

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Why is there always more than one parallelogram with the same area and base​
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1 year ago
How much simple interest would be paid on a loan of 10,170 at 7.64% for 272 days
Anastasy [175]

Answer:

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Step-by-step explanation:

The formula for simple:

I = P*r*t

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6 0
3 years ago
Find the values of the apple, banana and lollypop below.<br><br> Pls help
maks197457 [2]

Answer:

a= Apple = 3

b= Banana =5

v= Lollypop=1

Step-by-step explanation:

36 is divided into 2 giving us 18

Let apple=a

Banana=b

Lollypop=c

In the first half

An apple + 3 bananas=18

a+3b=18 (1)

Second half is further divided into 2

That is,

18÷2=9

First half of the second half

3apples=9

3a=9 (2)

Second half of the second half

1 apple + 1 banana + 1 lollypop=9

a+b+c=9 (3)

a+3b=18 (1)

3a=9 (2)

a+b+c=9 (3)

From (2)

3a=9

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a=9/3

a=3

Substitute a=3 into 1

a+3b=18

3+3b=18

3b=18-3

3b=15

Divide both sides by 3

b=15/3

=5

b=5

Substitute the value of a and b into (3)

a+b+c=9

3+5+c=9

8+c=9

c=9-8

c=1

Therefore,

a= Apple = 3

b= Banana =5

v= Lollypop=1

6 0
3 years ago
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