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marin [14]
3 years ago
5

Select the correct answer. Sarah owns a flower shop and can model the profits from selling springtime bouquets using this equati

on, where b is the number of springtime bouquets. P = -5b^2 + 450b - 1,000
Which statement is true if Sarah needs to make a profit of at least $9,000?
A. Sarah must sell more than 90 bouquets.
B. Sarah must sell between 40 and 50 springtime bouquets.
C. Sarah must sell between 0 and 40 springtime bouquets.
D. Sarah must sell more than 50 springtime bouquets.​
Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0

Answer:

B

Step-by-step explanation:

If you plug in the answers for guess and repeat this one works.

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Can someone please help me
grandymaker [24]

Answer:

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Product of Means = Product of Extremes

4 × 21 = 7 × 12

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2) No

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2 × 2 = 3 × 3

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3) No

Cross multiplying

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18 ≠ 32

4) Yes

Cross Multiplying

1 × 25 = 5 × 5

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15

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Find the inverse of f(x)=2/5x-2
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2/5x+2/5

Step-by-step explanation:

7 0
3 years ago
Gen is making a quilt and needs to measure out 0.25. What fraction of a foot is that, and how many inches is that equivalent to?
Naddik [55]
.25=25/100=1/4
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4 0
3 years ago
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Two trains started moving at the same time, train A from Boston to New York, and train B from New York to Boston. The distance b
Ede4ka [16]

Answer:

  • <u>After 1.7 hours</u>

Explanation:

<u>1. Calculate the average speed of train B</u>

  • 60mph = 3/4 (s) ⇒ s = 60 (4/3) mph = 80 mph

<u>2. Build a table</u>

When the two trains meet:

Train     Average speed     Distance       time (distance/average speed)

                 mph                            

A                 60                             x                        x/60

B                 80                        240 - x                (240 - x) / 80

<u>3. Write the equation</u>

The time, when the two trains meet, is the same for both trains:

                  \dfrac{x}{60}=\dfrac{240-x}{80}\\ \\ \\ 80x=14,400-60x\\ \\ 80x+60x=14,400\\ \\ 140x=14,400\\ \\ x=14,400/140\\ \\ x=102.85miles

<u>4. Calculate the time:</u>

  • x/60 = 102.86 / 60 = 1.7 hours

The two trains will meet after 1.7 hours

7 0
2 years ago
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