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BaLLatris [955]
3 years ago
15

Solve for x in the triangle A 1.7 B 2.6 C 2.7 D 3.0

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Given 2 sides and the included angle use the Cosine rule to solve for x

x² = 1.6² + 1.1² - (2 × 1.6 × 1.1 × cos78° )

    = 2.56 + 1.21 - ( 3.52 × cos78° )

   = 3.77 - 0.7318

   = 3.0382

Take the square root of both sides

x = \sqrt{3.0382} = 1.7 → A

Jet001 [13]3 years ago
3 0

Answer:b

hope this helps

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What is the circumstance of the trampoline including its outer edge? Use 3.14 for pie
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Answer:

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Step-by-step explanation:

First you have to find the diameter of the trampoline which would be 14

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3 years ago
The hypotenuse of a 45°-45°-90° triangle measures 22 2 units.
Aleonysh [2.5K]

Answer:

Option C.

Step-by-step explanation:

Given information: The hypotenuse of a 45°-45°-90° triangle measures 22√2 units.

Let x be the length of one leg.

From the given figure it is clear that length of both legs are same.

According to the Pythagoras theorem, in a right angled triangle

(leg_1)^2+(leg_2)^2=hypotenuse^2

Substitute leg_1=leg_2=x, hypotenuse=22\sqrt{2} in the above formula.

(x)^2+(x)^2=(22\sqrt{2})^2

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6 0
3 years ago
Read 2 more answers
"Each week, a subcommittee of four individuals is formed from among the members of a committee comprising seven individuals. Two
denis-greek [22]

Answer:

140 weeks.

Step-by-step explanation:

We are being asked for the maximum number that can elapse without having 2 subcommitees with the same members and the same chair. Notice that the secretary is not mentioned in this statement, so we can ignore that position.

Now, the maximum number of weeks would be equal to the total possible combinations of subcommitees that can be formed from the 7 individuals commiteed, times the number of options that can sit at the chair possition.

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\left[\begin{array}{ccc}7\\4\end{array}\right] = \frac{7!}{4!(7-4)!} = 35

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x = 35 * 4 = 140

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3 0
3 years ago
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