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myrzilka [38]
3 years ago
11

It takes Lily 45 mintues to bathe and groom a dog. How many dogs can she groom in an 9 hour day?

Mathematics
1 answer:
Margarita [4]3 years ago
5 0
12 9*60 is= 540 divided by 45=12 ! Hope that helps!
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Which statement makes the open sentence 12+3x=30
Sergio [31]
12 + 3x = 30 // what is x?
3x = 18
x = 6

6 0
3 years ago
The perimeter of a rectangular park is 500 feet. The length of the park is 100 feet longer than the width. Find the length of th
lord [1]

Answer:

The length of the park is 175 feet

Step-by-step explanation:

Let us solve the question

∵ The perimeter of a rectangular park is 500 feet

∵ The formula of the perimeter of the rectangle is P = 2(L + W)

∵ L is the length and W is the width

→ Equate the rule of the perimeter by 500

∴ 2(L + W) = 500

→ Divide both sides by 2

∴ L + W = 250 ⇒ (1)

∵ The length of the park is 100 feet longer than the width

→ That means L is W plus 100

∴ L = W + 100 ⇒ (2)

→ Substitute L in (1) by (2)

∵ W + 100 + W = 250

→ Add the like terms

∵ (W + W) + 100 = 250

∴ 2W + 100 = 250

→ Subtract 100 from both sides

∵ 2W + 100 - 100 = 250 - 100

∴ 2W = 150

→ Divide both sides by 2

∴ W = 75

→ Substitute the value of W in (2) to find L

∵ L = 75 + 100 = 175

∴ The length of the park is 175 feet

6 0
3 years ago
Assume that emergency medical personnel in California are planning for future resources and it has been observed that the averag
larisa [96]

Answer:

Answer is 0.5

Step-by-step explanation:

The text implies that the number of traffic accidents determines the number of ambulances required on the road. Hence, 1 traffic accident requires 1 ambulance.

The time slot and time of day remain same in both the text and the question.

The average or mean number of accidents is 1.1

QUESTION: What then is the probability that there is need for exactly 2 ambulances on that road and in that time frame?

In other words, what is the probability that there'll be 2 accidents on that road and in that time frame?

Since the mean number of accidents is 1.1,  2 is above the mean.

Probability of 1.1 accidents is 1, since that's the mean (expected value).

Probability of 2 accidents is 1/2 which is = 0.5

4 0
3 years ago
If 18 is 45% of value, what is that value
____ [38]
Percent  is parts out of 100 so
45%=45/100=9/20
'of' means multiply
18 =9/20 times something
multiply both sides by 20/9 to clear fraction
360/9=something
40=something

the value is 40
8 0
3 years ago
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Does brainly customer support have a phone number it wont let me use my brainly plus on the same account on the computer this is
serious [3.7K]

Answer:nope

Step-by-step explanation: I wish

6 0
3 years ago
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