3 years ago

Roman purchased 2 1/2 pounds of

Mathematics

1 answer:

makkiz [27]3 years ago

7 0

Answer:

$3.90 is the answer.

Step-by-step explanation:

9.75 ÷ 2.5 = 39/10 (3.9).

To check do 3.9 × 2.5 = 9.75.

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David can paint a fence in ten hours. Alex can paint the same fence in eight hours. If

xxTIMURxx [149]

Answer:

40/9

Step-by-step explanation:

Use the work formula, $\frac{1}{A}$ + $\frac{1}{B}$ = $\frac{1}{T}$ , where A is the amount of time it takes one person, B is the amount of time it takes another person, and T is the time it takes for them to work together.

Plug in the times for David and Alex alone:

$\frac{1}{10}$ + $\frac{1}{8}$ = $\frac{1}{T}$

Find the least common denominator, which is 40.

$\frac{4}{40}$ + $\frac{5}{40}$ = $\frac{1}{T}$

$\frac{9}{40}$ = $\frac{1}{T}$

Cross multiply and solve for T:

9T = 40

T = 40/9

So, if they worked together, it would take them 40/9 hours

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3 years ago

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Determine the value of x?

olga2289 [7]

Answer:

x=38 degrees

Step-by-step explanation:

supplemental angle to 114 degrees is 66 degrees

180=x+2x+66

3x=114

x=38 degrees

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2 years ago

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Julia is the president of the technology Club at school she has $568 to buy as many DVD players as she can for $75 each how many

goblinko [34]

You need to divide the total amount by $75, to see how many DVD players she could buy with the $568.
568÷75= 7 remaining 43
This means that Julia can buy 7 DVD players, and will have $43 extra dollars left over.

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3 years ago

Gary has 2 red apples, 2 green apples, and 2 yellow apples in a sack. He also has 2 packages of peanuts, 2 packages of almonds,

o-na [289]

1/3 or approximately 0.3333333334 percent

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3 years ago

Blue whales eat an average of 5,000 pounds of fish daily, with a standard deviation of 850 pounds. Approximately what percentage

Hoochie [10]

The WRONG Answer is 3 percent

Step-by-step explanation:

I’m from FLVS

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3 years ago