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BigorU [14]
3 years ago
12

I don't understand this question??​

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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Cindy bought 5 dresses for $20 each and 3 pairs of shoes for $20 each. She used this expression to calculate the total amount sh
Serga [27]

Answer:

a (5+3)*20

Step-by-step explanation:

she bought 5 dresses and 3 shoes for 20 dollars each type

so add 5 and 3  then multiply by 20 and you will get the same answer of 80 dollars

4 0
3 years ago
Read 2 more answers
Melinda paints 7/8 of a wall in 1 1/6 hours. What part of a wall does Melinda paint in 1 minute?
mylen [45]
If she paints 7/8=7/6 hrs
                         ? =1 hr
1/(7/6)*7/8=3/4
Therefore she can paint 3/4 of the wall in an hour
5 0
3 years ago
While evan and sam are fishing 12kms from shore, their boat springs a leak, and water comes in at a constant rate of 3 gallons p
aev [14]

Based on the calculations, the slowest rate is equal to 4 gallons per minute.

<u>Given the following data:</u>

  • Distance from shore = 12 km.
  • In-rate = 3 gallons per minute.
  • Rowing rate = 24 km per hour.

<h3>How to calculate the slowest rate.</h3>

Let's assume the boat would sink if it takes in more than 20 gallons of water.

<u>Conversion:</u>

  • 24 km/h to km/min = \frac{24 }{60} = 0.4 km/min.

Translating the word problem into an algebraic expression, we have;

\frac{12}{0.4} \times 3 - \frac{12}{0.4} \times x\geq 30\\\\\frac{36}{0.4}-\frac{12x}{0.4} \geq 30\\\\90-\frac{12x}{0.4} \geq 30\\\\\frac{12x}{0.4} \geq90+30\\\\\frac{12x}{0.4} \geq120\\\\12x \geq120 \times 0.4\\\\12x \geq 48\\\\x\geq 4

Therefore, the slowest rate is equal to 4 gallons per minute.

Read more on distance here: brainly.com/question/10545161

8 0
3 years ago
The tiles below represent the polynomial, what is the factorization of 2x2 + 7x + 6
saw5 [17]

Answer:d

Step-by-step explanation: just factor it out

8 0
4 years ago
She spent 1hr 15min washing her car and she spent 1hr 50min cleaning her house, how long did it take
Anvisha [2.4K]

Answer:

3 hours 5 minutes

Step-by-step explanation:

1 hour + 1 hour = 2hrs

15 minutes + 50 minutes = 65 minutes

65 minutes to 1 hr = 1 hr 5 minutes

2 hours + 1 hr 5 minutes = 3 hours 5 minutes

4 0
3 years ago
Read 2 more answers
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