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ch4aika [34]
2 years ago
11

In a two-digit number, the units digit is 5 more that the tenth digit. The number itself is three times the sum of its digits. W

hat is this number?
Mathematics
2 answers:
postnew [5]2 years ago
7 0

Answer:

15

Step-by-step explanation:

1+5=6

6*3=15

Lostsunrise [7]2 years ago
5 0

Answer:

27

Step-by-step explanation:

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D. the bottle of water
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EastWind [94]

Answer:

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Step-by-step explanation:

Given

10x + 60 = 9x - 30 ( subtract 9x from both sides )

x + 60 = - 30 ( subtract 60 from both sides )

x = - 90

4 0
3 years ago
A.0.5×10^4
Juliette [100K]

Answer:

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Step-by-step explanation:

3 0
3 years ago
How many solutions does 9(z+8)=-9z-72 have
zloy xaker [14]

Answer:

1 solution.

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

9(z + 8) = -9z - 72

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute 9:                              9x + 72 = -9z - 72
  2. Add 9z to both sides:               18z + 72 = -72
  3. Subtract 72 on both sides:       18z = -144
  4. Divide 18 on both sides:           z = -8

Here we see that we will get only 1 solution for <em>z</em>.

4 0
2 years ago
What is the solution to the proportion 3y-8/12=y/5? can someone help me do this?
RideAnS [48]
   
\displaystyle\\&#10; \frac{3y-8}{12} = \frac{y}{5}  \\  \\ &#10;5(3y-8)=12y\\\\&#10;15y-40=12y\\\\&#10;3y = 40\\\\&#10;\boxed{y =  \frac{40}{3}}



3 0
3 years ago
Read 2 more answers
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