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exis [7]
2 years ago
12

If the perimeter of an equilateral triangle is 54 in, what is the area? step by step

Mathematics
1 answer:
Sav [38]2 years ago
6 0

Answer:

A≈140.3in²

Step-by-step explanation:

A=3 /4a^2

P=3a

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Flura [38]

Answer:14

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Step one:20+18+16+15+12+3=84  Step two:find the total amount of numbers which is 6.   Step three:divide 84÷6=14

5 0
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Find the exact value of X.
Mnenie [13.5K]

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Find the domain and range of the function
SVEN [57.7K]

Answer:

domain: (-∞ , ∞)

range: (-∞, 2]

Step-by-step explanation:

the domain is the set of values of what the x value can be. This function is parabolic and upside down, it can have a range of x values from - infinity to positive infinity. The function is most likely y=-x^2 +2

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3 0
3 years ago
Read 2 more answers
If i multiply by 5 and subtract 63 i get the same answer if i multiply 3 and subtract 11 is the answer 26
aev [14]
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3 0
3 years ago
Thulani goes to the library every 7 days. He goes to the market every 4 days
emmasim [6.3K]

Thulani goes to both the library and the market for 5 more times during the year.

Step-by-step explanation:

Thulani goes to the library every 7 days. He goes to the market every 4 days.

We have to calculate the Least Common Multiple (LCM) to analyze the next common day on which he will go to both places.

The factors of 7 are:  1 x 7

The factors of 4 are: 2 x 2

Therefore, the LCM would be = 1 x 7 x 2 x 2

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LCM indicates that Thulani will go to both places on every 28th day.

To calculate the number of times (n) he will go to both places on same day. We can use the formula mentioned below:'

n = \frac{Number of days}{frequency}

Here frequency represents the LCM = 28.

The number of days are:

August: 30 (we are excluding 1st August)

September: 30

October: 31

November: 30

December: 31

Total  = 152

By putting the values in formula, we get

n = \frac{152}{28}

n = 5.42

As, the number of times can only be a whole number. Therefore, Thulani goes to both the library and the market for 5 more times during the year.

Learn more:

The following links have more information

brainly.com/question/12419898

brainly.com/question/12764620

Keywords: LCM, same day

#learnwithBrainly

7 0
3 years ago
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