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Thepotemich [5.8K]
2 years ago
13

Simplify

Mathematics
1 answer:
Dmitriy789 [7]2 years ago
6 0
1. 18
2. 44
3. 3
4. 21
5. 8
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Find the area of an equilateral triangle with a side of 6 inches.
sweet-ann [11.9K]

Answer:

9\sqrt{3} in²

Step-by-step explanation:

The area (A) of an equilateral triangle is calculated as

A = \frac{s^2\sqrt{3} }{4} ( s is the length of a side )

Here s = 6, thus

A = \frac{6^2\sqrt{3} }{4} = \frac{36\sqrt{3} }{4} = 9\sqrt{3} in²

6 0
2 years ago
when 2 is added to five times a number, the result is less than 13 .find the greatest whole number that satisfies the statement​
Ghella [55]

Answer:

2

Step-by-step explanation:

The text translates to:

5x + 2 < 13

which simplifies to

x < 11/5

the greatest integer that does this is 10/5, a.k.a. 2

4 0
3 years ago
The weights of bags of ready-to-eat salad are normally distributed with a mean of 300 grams and a standard deviation of 9 grams.
mestny [16]

Answer: 2.5% of the bags weigh less than 282 grams.

Step-by-step explanation: Just took the test and this was the correct answer! :)

8 0
3 years ago
Lisa sold costume jewelry at a bazaar. The first hour she sold 2 bracelets and 3 rings for a total of $36.00 later a customer bo
saw5 [17]
2x + 3(6) = 36

2x + 18 = 36

2x = 18

x = 9

answer: each bracelet costs $9
7 0
2 years ago
urgent! i need an explanation please *picture included* also can someone make sure the second one is b or not?
Schach [20]

Answer:

For the first one it is D.

Step-by-step explanation:

I added 84.6 and 30.4 which gives me 115. I then added 66 to get 181, triangles angles only add up to 180 degrees, therefore they are not similar.

6 0
2 years ago
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