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DanielleElmas [232]
3 years ago
5

A wise man once said” 200 reduced by twice my Age is 42.” What is his age ?

Mathematics
2 answers:
lesantik [10]3 years ago
4 0
200 - (2x) = 42

200 - 42 = 2x

158/2 = 2x/2

x = 79

he is 79 years old

hope this helps!

: )


kati45 [8]3 years ago
3 0
200 - (2x) = 42

200 - 42 = 2x

158/2 = 2x/2

x = 79

he is 79 years old

hope this helps

a wise 'old' man
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mezya [45]

Answer:

its -27/64

Step-by-step explanation:

8 0
2 years ago
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Find the value of x. Enter your answer as a fraction.<br> 50 points asap!
Travka [436]

Answer:

3/2

Step-by-step explanation:

that is it. if u do ur measure correctly

3 0
2 years ago
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1000 lower than in the first
Artyom0805 [142]

Answer:

Let x = the charge in 1st city before taxes

Let y = the charge in 2nd city before taxes

 

 

Set up equation before taxes.

 

y = x - 1500        eq1

 

 

Set up equation for total tax paid.

 

0.065x + 0.06y = 378.75         eq2

 

 

Substitute eq1 into eq2.

 

0.065x + 0.06(x - 1500) = 378.75

0.065x + 0.06x - 90 = 378.75

0.125x - 90 = 378.75

0.125x = 468.75

       x = 3750

 

Substitute this value of x into eq1.

 

y = 3750 - 1500

y = 2250

 

 

The hotel charge in city one is $3750 and the hotel charge in city two is $2250

3 0
3 years ago
Write 3x 3x 3x 3 x 3 using exponents
Ahat [919]
3\cdot3\cdot3\cdot3\cdot3=3^5
5 0
3 years ago
At sunset the temperature was 4 dgrees. the next morning at sunset it was -7 degrees. what is the difference betweeen these temp
DedPeter [7]

The difference between these temperatures for the sunset is found as 11 degrees.

<h3>What is temperature difference?</h3>

In science, the term Delta T (ΔT) refers to the temperature between two measuring points. The temperature varies according to time and/or location.

Some key features regarding the temperature difference are-

  • Merus, for example, uses it to assess the effectiveness of such a heat exchanger.
  • Or to evaluate the effectiveness of a heating or cooling system.
  • A fourth letter of a Greek alphabet is, (Δ). Whereas is the capital letter symbol and the lower case letter.
  • The sign is also used in mathematics. Describes the "difference" between any two changeable quantities. T is a value in a process that represents a difference between two observed temperatures.

Now, according to the question;

Let the initial temperature be 'T' = 4 degrees.

Let the final temperature be 't' = -7 degrees.

Therefore, the temperature difference is;

ΔT =  T - t

     = 4 - (-7)

     = 4 + 7

ΔT = 11

Therefore, the difference between these temperatures is 11 degrees.

To know more about the temperature difference, here

brainly.com/question/24746268

#SPJ4

8 0
1 year ago
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