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damaskus [11]
3 years ago
5

Which of the following statements are always true? Select all that apply

Mathematics
1 answer:
Zigmanuir [339]3 years ago
8 0
1. sometimes not always
2. no
3. yes always
4. sometimes not always
5. no
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Which digit(s) makes 3,71_divisable by 3.
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1, 4, and 7 will be the digits that make 3,71_ divisible by 3. 
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3 years ago
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Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26
arsen [322]

So, let's say the number is x.

5(x + 27) ≥ 6( x + 26)

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3 years ago
Sandra is 4 feet tall. Pablo is 10% taller than Sandra, and Michaela is 8% taller than Pablo.
RoseWind [281]
Height of Sandra that is already mentioned in the question is = 4 feet
Percentage by which Pablo is taller than Sandra = 10%
Height by which Pablo is greater than Sandra = (10/100) * 4
                                                                         = (4/10)
                                                                         = 0.4 feet
Then height of Pablo is = 4 + 0.4
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Now we can find the height of Michaela as she is 8% taller than Pablo.
Percent by which Michaela is taller than Pablo = 8%
Height by which Michaela is greater than Pablo = (8/100) * 4.4
                                                                            = (2 * 4.4)/25
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Then the height of Michaela = (4.4 + 0.35) feet
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So height of Michaela is 4.75 feet. This is the way this problem has to be solved.
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3 years ago
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Ari is recording the number of laps he walks around the track each day, On Day 1, he walks 8 laps. On Day 2, his number of laps
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Step-by-step explanation:

to compare day 1 with day 2 :

100% = 8

1% = 100%/100

25% = 25×1% = 100% × 25/100 = 8 × 1/4 = 2

so, on day 2 he walks 8+2 = 10 laps.

on day 3 he walks then 10-1 = 9 laps.

so, now, to calculate the % decrease compared to day 2

100% = 10

1% = 100%/100 = 0.1

how many % is represented by this 1 lap he was walking less ?

1 / 1% = 1 / 0.1 = 10%

so he had a 10% decrease from day 2 to day 3.

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2 years ago
HELP ME WITH THIS WHO ANSWERS CORRECTLY I WILL GIVE BRAINLIEST!
motikmotik

Answer:conjectured that F(n)≈0.72∗n∗f(n). Following that clue, we can find the following identity holds for all cases we tested by trial and error.

F(n)=nf(n)−(n−2)f(n−2)+(n−4)f(n−4)−(n−6)f(n−6)+⋯

where the sequence of summands goes on as long as the summand makes sense.

Step-by-step explanation:

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