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Mazyrski [523]
3 years ago
8

Suppose a triangle has two sides of length 2 and 3 and hat angle between these two sides is 60. what is the length of the third

side of he triangle?

Mathematics
1 answer:
Gemiola [76]3 years ago
7 0
X=180-2(60)
=180-120
=40
The length of the other angle is 40°.

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At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
riadik2000 [5.3K]

Answer:

$$2.25

Step-by-step explanation:

Let b = the cost of one brownie, c = cost of one cookie

3b + 5c = 11

b+2c = 3.95

Times 3 on both sides on the second equation above to get the following:

3b + 6c = 11.85

3b+6c - (3b+5c) = 11.85-11

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c = 0.85

To find the value of b, use substitution:

b+2c = 3.95

b = 3.95-2c

= 3.95 - 2\times0.85

= 2.25

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Hope this helps :)

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8 0
2 years ago
The intersection of two planes is _____ a line.<br><br> Always<br> Sometimes <br> Never
Nezavi [6.7K]
The intersection of two planes is always a line
8 0
2 years ago
Read 2 more answers
Factor 2a2b3 - 14ab + 16a
zhuklara [117]

Answer:

2a(b^3 - 7b + 8)

Step-by-step explanation:

I'm assuming that 2a2b3 is 2a2b^2. If not, this answer isn't correct.

Look at the whole numbers. Is there a number that divides into them evenly? Yes, 2, so you pull 2 from the problem and divide each number by 2. Do the same for each variable.

2a2b3 - 14ab + 16a

2(ab^3 - 7ab +8a)

2a(b^3 - 7b + 8)

6 0
3 years ago
The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 40. What is the age of the person
ad-work [718]

Answer:

40

Step-by-step explanation:

5 people in the room have  5*40 = 200 years altogether

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Now 6 people have (200 + x) years altogether.

Mean age of 6 people  is (200+x)/6. and it is also = 40.

So,

(200+x)/6 = 40

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6 0
3 years ago
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