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Over [174]
3 years ago
10

The sum of two numbers is 201 and their difference is 69. Find the numbers.

Mathematics
2 answers:
Darya [45]3 years ago
7 0

Answer:

let  \: the \:  numbers  \: be  \: x \: and \: y \\  then \\

x + y = 201(equation \: 1) \\ x - y = 69(equation \: 2)

According to 2nd equation

x = 69 + y

Putting the value of x in the first equation

69 + y + y = 201 \\  \implies \: 69 + 2y = 201 \\  \implies \: 2y = 201 - 69 \\  \implies \: y = \frac{132}{2}

\implies \: y = 66

We know that

x = y + 69 \\  \implies \: x = 66 + 69 \\  \implies \: x = 135

If you have any doubts you can comment and ask

trasher [3.6K]3 years ago
4 0

Answer:

135 and 66

Step-by-step explanation:

Solve the system of equations

Equation 1: x + y = 201

Equation 2: x - y = 69

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Which statement is true?<br><br> −6.5=6.55<br> −6.5≥6.55<br> −6.5&gt;6.55<br> −6.5&lt;6.55
posledela

Answer: 6.5<6.55

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Find the time required for an investment of 5000 dollars to grow to 9000 dollars at an interest rate of 7.5
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Step-by-step explanation:

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3 years ago
In a two digit number, t = the tens digit and u = the ones digit. Which of the expressions below shows the value of its reversal
Leni [432]

10u + t is the expressions shows the value of the reversal of digits in a two digit number, t = the tens digit and u = the ones digit. This can be obtained by multiplying 10 with the tens digit and adding unit digit.

<h3>Which is the required expressions?</h3>

Given that, in a two digit number,

t = the tens digit

u = the ones digit

The expression for the digit will be ,

10×t + u = 10t + u

The value of its reversal,

u = the tens digit

t = the ones digit

10×u + t = 10u + t is the required expression

For example,

37 = 10×3 + 7 = 30 + 7 and its reverse 73 = 10×7 + 3 = 70 + 3

Hence 10u + t is the expressions shows the value of the reversal of digits in a two digit number, t = the tens digit and u = the ones digit.

Learn more about algebraic expressions here:

brainly.com/question/19245500

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