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hichkok12 [17]
2 years ago
14

Emily goes to the gym every 4 days. Scott goes to the gym every 14 days. Emily and Scott both go to the gym today. How many days

will it be before they next go to the gym on the same day
Mathematics
1 answer:
Zanzabum2 years ago
6 0

Step-by-step explanation:

28 days. it'll be Emily's 7th visit and Scotts 2nd.

28 is the lowest common factor

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The sum of three consecutive even integers is 264. What are the integers? (show your work)
Anettt [7]

Answer:

1 Expert Answer

X + Y + Z = 264. Since Y is 1 bigger than X, Y = X + 1. Since Z is 1 bigger than Y, Z = Y + 1. But Y = X + 1, so Z = (X + 1) + 1 = X + 2.

4 0
2 years ago
Find the percentages. 15m is what percent of 60m; 3m; 30m; 1.5 km?
Mandarinka [93]
15m is:
25% of 60m
500% of 3m
50% of 30m
1000% of 1.5m
5 0
3 years ago
Covert this into slope-intercept form : 13x - 11y = -12
ICE Princess25 [194]

Solve for y,

13x - 11 y = -12

13x + 12 = 11y

Answer: y = (13/11) x + (12/11)


5 0
3 years ago
Read 2 more answers
Starting in the year 1800, the population of the United States was recorded until the year 2000. The data is summarized below wi
krok68 [10]

Answer:

a = 73.84, b = -23.64, c = 83.97, d = 21.73

Step-by-step explanation:

1880:

The predicted value is:

f(80) = 1.363\cdot (80) - 35.2

f(80) = 73.84

The residual value is:

\Delta f = 50.2 - 73.84

\Delta f = -23.64

1920:

The predicted value is:

f(120) = 7.8 \cdot 1.02^{120}

f(120) = 83.97

The residual value is:

\Delta f = 105.7 - 83.97

\Delta f = 21.73

7 0
3 years ago
Read 2 more answers
Alright, second try. 15 Points to whoever can solve with a half-decent explanation.
sesenic [268]

Answer:

29 cans

Step-by-step explanation:

To solve this problem we must use Heron's formula; A = \sqrt{S(S-a)(S-b)(S-c)}

S = 1/2 the perimeter of the given triangle

a, b, c = the measurements of the three given sides

The first step to solving this question is first finding the perimeter.

P = 65m + 74m + 67m

P = 206m

Now that we have our perimeter, we must divide P by 2 to get S.

S = 206/2

S = 103

Now we plug our numbers into Heron's formula.

A = \sqrt{S(S-a)(S-b)(S-c)}

A = \sqrt{103(103-65)(103-67)(103-74)}

A = \sqrt{103(38)(36)(29)}

A = \sqrt{103(39672)}

A = \sqrt{4086216}

Find the square root of this number.

A ≈ 2021.43909134... m²

If a can of paint covers 70 square meters, then you will need to figure out how many cans you need. This can be done by dividing the overall area of the triangle by the area that a single can of paint can cover.

\frac{2021.43909134...}{70} = 28.8777013049...

We know we can't buy 28.87... of a can (people simply do not sell parts of cans or half-full containers... unless its a bag of lays chips and their 80% air nonsense...) so we must round up to the nearest whole number.

28.87... = 29

Thus we finally have our answer: 29 cans of paint!

5 0
3 years ago
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