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Stella [2.4K]
3 years ago
11

a person on a moving sidewalk travels 24 feet in 7 seconds. the moving sidewalk has a length of 180 feet. How long will it take

to move from one end of the sidewalk to the other?
Mathematics
1 answer:
Crank3 years ago
7 0
It will take them approximately 52.5 seconds
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Marina CMI [18]

Answer:

Step-by-step explanation:

10 in 10 places is 100. 10*1=10. 10*2=20..10*3=30.10*4=40,. 10*5=50,10*6=60,,,10*7=70,,. 10*8=80,. 10*9=90,. 10*10=100.

8 0
3 years ago
Easy multiple choice!
Zepler [3.9K]

Answer:

-4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

4x + 5y = -12

-2x + 3y = -16

<u>Step 2: Rewrite Systems</u>

-2x + 3y = -16

  1. Multiply everything by 2:                    -4x + 6y = -32

<u>Step 3: Redefine Systems</u>

4x + 5y = -12

-4x + 6y = -32

<u>Step 4: Solve for </u><em><u>y</u></em>

<em>Elimination</em>

  1. Combine 2 equations:                    11y = -44
  2. Divide 17 on both sides:                  y = -4
5 0
3 years ago
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When f(x) = 2x 2 + 3, find f(-3).<br> -15<br> 21<br> 39
notsponge [240]

Answer:

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Step-by-step explanation:

f(x) = 2x^2 + 3

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f(-3) = 2(9) + 3

f(-3) = 18 + 3

f(-3) = 21

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3 years ago
15 POINTS IF HELP WILL MARK BRAINLIEST
RideAnS [48]

Answer:

to get ur answer take 11 from 14

Step-by-step explanation:

just beacuse it is inbetween 10-20 jhahahhahaha

3 0
3 years ago
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Solve the equation <br> 1/6(12z-18)=2z-3
Romashka-Z-Leto [24]
1/6(12z-18)=2z-3

12/6z-18/6 =2z-3

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 there are infinite solutions for this equation or all real numbers
8 0
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