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lesantik [10]
4 years ago
12

How many different triangles can be constructed with angles that measure 120 degree, 40 degrees, and 60 degrees?

Mathematics
1 answer:
Yuliya22 [10]4 years ago
4 0
None it must have at Least 180 degrees
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Given the following Venn diagram, choose the correct set for M UN
Reil [10]

Answer:

  •    Third choice: {3, 4, 6, 7, 9}

Explanation:

Please, find the Venn diagram attached.

You have to find the set that represents the union of the set M and N (M ∪ N). That is a set with the elements that belong either to set M or set N.

The elements that belong to the set M are the numbers inside the circle M: 3, 4, 7 and 9.

The elements that belong to the set N are the numbers inside the circle N: 4, 6 and 7.

The complete list of the numbers in the union set is 3, 4, 6, 7, and 9, as you must not repeat the elements that belong to both sets.

So, the set that represents M ∪ N is the third option {3, 4, 6, 7, 9}.

4 0
3 years ago
Molly bought 12.5 yards of fabric for 4.50 dollars a yard to make dog beds.she uses2.5 yards of fabric for each dog bed.she sell
Mekhanik [1.2K]
12.5 yds at 4.50 per yd : 12.5 * 4.50 = 56.25....what she paid for the fabric

she uses 2.5 yds of fabric for each dog bed.....12.5 / 2.5 = 5...so she can make 5 dog beds

each dog bed sells for 17.50.....5 * 17.50 = 87.50

87.50 (what she earned from selling the dog beds) - 56.25 (the cost of the fabric) = 31.25......so her total profit is $ 31.25 <==
8 0
3 years ago
How to solve step by step 4(x-7)=-6x+12
nlexa [21]

Answer:

x = 3

Step-by-step explanation:

4 ( x - 7 ) = -6x + 12

→ Expand brackets

4x - 28 = -6x + 12

→ Add 6x to both sides

10x - 28 = 12

→ Add 28 to both sides

10x = 30

→ Divide both sides by 10

x = 3

5 0
2 years ago
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
wel
X+y=24 so we can say

x=24-y making 3x+5y=100 become

3(24-y)+5y=100

72-3y+5y=100

72+2y=100

2y=28

y=14, since x=24-y

x=10

So there are 10 3-point questions and 14 5-point questions.
6 0
3 years ago
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On a certain function machine, an input of 3 has an output of -6. An input of -2 has an output of 4. An input of 0 has an output
mars1129 [50]

Answer:

The answer is multiplying by -2

Step-by-step explanation:

8 0
3 years ago
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