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Mashutka [201]
3 years ago
6

A wise man once said 200 reduced by 3 times my age is 50. What is his age?

Mathematics
2 answers:
Sophie [7]3 years ago
5 0

He is 50 years old

200-(3*50)=age

200-150= 50

avanturin [10]3 years ago
4 0

Answer:

50

Step-by-step explanation:

200-(3x)=50

3x=200-50 (Collect like terms)

3x=150

3x/3=150/3 (Divide through by 3)

x=50

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Find the distance between the points (2, -9) and (-1, 4).
ollegr [7]

Answer:

A. 13.34

Step-by-step explanation:

This is the formula d=√((x_2-x_1)²+(y_2-y_1)²)

Plug in

d=√(-1-2)² + (4+9)²

d= √9 + 169

d= √178

d= 13.34

6 0
3 years ago
-4x - y = 24<br> Complete the missing value in the solution to the equation.<br> ( _,8)
Zinaida [17]

Answer:

(- 8, 8 )

Step-by-step explanation:

Given ( ?, 8 ) is a solution. To find x substitute y = 8 into the equation, then

- 4x - 8 = 24 ( add 8 to both sides )

- 4x = 32 ( divide both sides by - 4 )

x = - 8

Thus solution is (- 8, 8 )

5 0
3 years ago
Elise said that 0.2 equals 2. Use words and numbers to explain her mistake.
fenix001 [56]

Answer:

Step-by-step explanation: 0.2 of 2/10 and 2 is a whole number.

4 0
3 years ago
Factor −1/4 out of −1/2x−5/4y..ㅤ
hammer [34]

Answer:

  • - 1/4 (2x + 5y)

Step-by-step explanation:

Divide each term by - 1/4 first

  • -1/2x ÷ (- 1/4) = 1/2x × 4 = 2x
  • -5/4y ÷ (- 1/4) = 5/4y × 4 = 5y

Now facor out - 1/4

  • - 1/2x - 5/4y =
  • - 1/4 (2x + 5y)
3 0
2 years ago
Anna said that the product of 7/8 · 1 1/2 = 7/2<br><br>How can you tell that her answer is wrond?
Mazyrski [523]

Here is your answer:


1 1/2 = 3/2


7 × 3 = 21

8 × 2 = 16

Divided to equal 1\frac{5}{16} <--- Real answer:



The reason why she multiplied her answer wrong, she also "kept her original numerator and denominator."


Hope this helps!

5 0
3 years ago
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