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Sergeu [11.5K]
3 years ago
13

What does it mean to reach 145% of your savings goal?

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0
Perdón nesecito avanzar en baratillo n
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Reverse the two digits of my age, divide by three, add 20, and the result is my age. How many years old am I
lapo4ka [179]

Answer:

  • 48 years old.

Step-by-step explanation:

Let the age be xy or 10x + y.

Reverse the two digits of my age, divide by three, add 20, and the result is my age, convert this to equation:

  • (10y + x)/3 + 20 = 10x + y
  • (10y + x)/3 = 10x + y - 20
  • 10y + x = 3(10x + y - 20)
  • 10y + x = 30x + 3y - 60
  • 30x - x + 3y - 10y = 60
  • 29x - 7y = 60

We should consider both x and y are between 1 and 9 since both the age and its reverse are 2-digit numbers.

Possible options for x are:

  • 29x ≥ 7*1 + 60 = 67 ⇒ x > 2, at minimum value of y,

and

  • 29x ≤ 7*9 + 60 = 123 ⇒ x < 5, at maximum value of y.

So x can be 3 or 4.

<h3>If x = 3</h3>

  • 29*3 - 7y = 60
  • 87 - 7y = 60
  • 7y = 27
  • y = 27/7, discarded as fraction.

<h3>If x = 4</h3>

  • 29*4 - 7y = 60
  • 116 - 7y = 60
  • 7y = 56
  • y = 8

So the age is 48.

6 0
1 year ago
M-3x=2x+p<br> Solve for x
abruzzese [7]
X=m/5-p/5 i tried my best to answer this problem

7 0
3 years ago
Read 2 more answers
Would you choose to measure the area of a basketball court in squared centimeters (cm^2) or squared meters (m^2)? ASP
padilas [110]

Answer:

I would choose squared meters

4 0
3 years ago
It says to use rounding or compatible numbers to estimate the sum.<br> first problem is 24 + 8
KonstantinChe [14]
The estimated sum is 30.
4 0
3 years ago
Is |-6| a negative integer
stiv31 [10]

Answer:

NO. |-6| = 6 - a positive integer

Step-by-step explanation:

|a| = a for a ≥ 0

examples

|2| = 2, |0| = 0, |0.56| = 0.56

|a| = -a for a < 0

examples

|-2| = -(-2) = 2, |-100| = -(-100) = 100, |-0.25| = 0.25

Therefore your answer:

|-6| = 6 > 0

3 0
3 years ago
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