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icang [17]
3 years ago
5

Please Help: 0.125r - 0.0625 + 0.25r = 0.25 + r

Mathematics
1 answer:
IRISSAK [1]3 years ago
7 0

Answer:

r=0.5

Step-by-step explanation:

0.125r+0.25r-0.0625=0.25+r

0.375r-0.0625=0.25+r

0.375r-r=0.25+0.0625

-0.625r=0.3125

r=0.3125/0.625

r=0.5

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5 0
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Alex spends 14 days on vacation. He spends 4 out of the 14 days at the beach and half as many days visiting museums as he spends
zvonat [6]


4 days at the beach.*7 or 5* days of visiting museums.


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3 0
3 years ago
Why are the divisibility rules for 2, 3, and 5 very useful for determining prime and composite numbers
zavuch27 [327]

Answer:

option 3.

Step-by-step explanation:

alright, ima explain each option.

1. "smallest odd numbers" 2 is an even number. that's out of the playing field.

2. "add up to 10" sure, they do add up to 10, but finding prime and composite numbers are all about division and multiplication.

3. this is true. 2, 3, and 5 are all prime numbers, and they have the nice divisibility rules. [ for 2, it has to be even, for 5, it has to end in 0 or 5, and 3 has to have the sum of its digits being divisible by 3. ]

4. they do multiply to 30, but this does not help break the composite numbers down.

5. we cannot make every number with just these. we can not multiply any other whole number to get 7 for per example, because it's a prime number.

sub to gauthmath sub reddit if ya can !

5 0
3 years ago
Which of the following statements best describes the information below? six plus the product of two and x equals twelve is this
ikadub [295]

Answer:

3

Step-by-step explanation:

6+2x=12

2x=6

x=3

This is your answer

8 0
3 years ago
1. Calculate the acceleration of riding her bicycle in a straight line that speeds up from 4 m/s to 12 m/s in 10 seconds. SOLUTI
valentina_108 [34]
<h3>✒️ACCELERATION</h3>

=================================

\large\sf\underline{Problem:}

Calculate the acceleration of riding her bicycle in a straight line that speeds up from 4 m/s to 12 m/s in 10 seconds.

=================================

\large\sf\underline{Answer:}

\qquad \qquad \huge \rm = 0.8 \: m/s²

=================================

\large\sf\underline{Solution:}

Here we have a given of,

  • \tt{(12\:m/s) \:= \:V_f = (final\: velocity) }
  • \tt{(4\:m/s)\:=\:V_i = (initial \: velocity) }
  • \tt{(10\:sec) \:=\:T = (elapsed time) }

\bold{Formula\:||\: Acceleration = \frac{v\: - \:v_0}{t} = \frac{ΔV}{ΔT} }

Because acceleration has a direction <u>(</u><u>riding her bicycle in a straight line</u><u>)</u>, it is important to always subtract the final velocity represented as \bold{V_f} from your initial velocity also represented as \bold{V_i}.

Now 'Work it out' and solve for Acceleration of riding her bicycle using the given formula.

  • \large\rm{A = \frac{V_f \:- \:V_i}{T} }
  • \large\rm{A = \frac{(12\:m/s\:-\:4\:m/s) }{10\:sec}}
  • \large\rm{A = \frac{ 8\:m/s}{10\:sec} }
  • \large\rm{A = 0.8\:m/s²}

Hence, The total acceleration of the girl riding her bicycle is 0.8 meters per second squared (m/s²).

=================================

૮₍´˶• . • ⑅ ₎ა

3 0
2 years ago
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