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loris [4]
3 years ago
12

Can you check my question please?Thanks for your help. 12 points.

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
6 0
Yep that's the right answer man great job!
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If the largest angle of a triangle is 120° and it is included between sides of 1.5 and 0.5, then (to the nearest tenth) the larg
12345 [234]

Answer:

1.8 units.

Step-by-step explanation:

The questions which involve calculating the angles and the sides of a triangle either require the sine rule or the cosine rule. In this question, the two sides that are given are adjacent to each other and the given angle is the included angle. This means that the angle is formed by the intersection of the two lines. Therefore, cosine rule will be used to calculate the length of the largest side of the triangle. The cosine rule is:

b^2 = a^2 + c^2 - 2*a*c*cos(B).

The question specifies that a=0.5, B=120°, and c=1.5. Plugging in the values:

b^2 = 0.5^2 + 1.5^2 - 2(0.5)(1.5)*cos(120°).

Simplifying gives:

b^2 = 3.25.

Taking square root on the both sides gives b = 1.8 (rounded to the nearest tenth).

This means that the length of the third side is 1.8 units!!!

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3 years ago
Stephen can deliver 14 newspapers in 20 minutes. How many HOURS will it take him to deliver 131 newspaper
LiRa [457]

Answer:

approx. 3 hours

Step-by-step explanation:

14 newspapers in 20 minutes means he can deliver 42 newspapers an hour.

60/42 = 1.4285 newspapers per minute

131 x 1.4285 = 187.1335 minutes = 3.1188 hours

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2 years ago
Which expression shows the result of applying the distributive property to 7(x + 1 Which expression shows the result of applying
Lunna [17]

Answer:7 + 11x

Step-by-step explanation: you add your letter and number that were in the brackets the since 7 has no number the equation would end and become 7+11x

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2 years ago
The perimeter of the rectangle is 30 centimeters.What is the side of c
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Step-by-step explanation:

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I know that 1 can of paint covers an area of 32 square feet. The dimensions of the wall is 12ft x 10ft. How many cans of paint w
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4 cans with .25 of a can left

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3 years ago
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