3 years ago

Hours7 2/31 2/54 3/48 4/5

Mathematics

1 answer:

VLD [36.1K]3 years ago

3 0

1. 7 hours and 40 min
2. 1 hour and 24 min
3. 4 hours and 45 min
4. 8 hours and 48 min

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A ball is dropped from a height of 14 ft. The elasticity of the ball is such that it always bounces up one-third the distance it

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Answer:

Hello,

742/27 (ft)

Step-by-step explanation:

$h_1=14\\\\h_2=\dfrac{14}{3} \\\\h_3=\dfrac{14}{9} \\\\h_4=\dfrac{14}{27} \\\\$

$d=14+2*\dfrac{14}{3} +2*\dfrac{14}{9} +2*\dfrac{14}{27} \\=14*(1+\dfrac{1}{3}+\dfrac{2}{9} +\dfrac{2}{27} )\\=14*\dfrac{53}{27} \\=\dfrac{742}{27} \\$

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Why are the number of digits reported in scientific measurements important?

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Because they show exactly how much of something is there/needed.

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3 years ago

Can someone help me answer this question

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Answer:

253.89 pounds

Step-by-step explanation:

$1 = 0.74 pounds

345 * 0.74 = 253.89

$345 = 253.89 pounds

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2 years ago

Joan is selling handmade bead necklaces at a local art fair. She paid $250 to reserve her booth. The cost of supplies for each n

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Y=250+2x is the amount she spends
y=12x is the amount she makes

If the amount she spent = the amount she makes then she break even

250+2x=12x
250=12x-2x
250=10x
So x = 250/10=25 necklaces she needs to sell to break even

Answer is 25 necklaces

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3 years ago

Read 2 more answers

Hours7 2/31 2/54 3/48 4/5​

Hours7 2/31 2/54 3/48 4/5