2 years ago

Please help I will award brainliest if right

Mathematics

1 answer:

Len [333]2 years ago

4 0

Answer: Im late but do you still need the answer?

Step-by-step explanation:

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Find C.

nasty-shy [4]

Answer:

$C=69.1^{\circ}$

Step-by-step explanation:

The Law of Cosines is given as:

$c^2=a^2+b^2-2ab\cos C$ .

Plugging in given values, we get:

$16^2=8^2+17^2-2\cdot 8\cdot 17\cdot \cos C,\\\cos C=\frac{-97}{-272},\\C=\arccos(\frac{97}{272}),\\C=\fbox{$69.1^{\circ}$}$ .

3 0

2 years ago

Quadrilateral ABCD has vertices A(1, -3) , B(2, 1), C(6, 3), and D(7, -1). Prove or disprove that the Quad ABCD is a rectangle.

zavuch27 [327]

If AC=BD, than Quad ABCD is a rectangle
AC
√(3+3)²+(6-1)²
√6²+5²
√36+25
√61
BD
√(1+1)²+(2-7)²
√2²+(-5)²
√4+25
√29
Quad ABCD is not a rectangle because √61 and √29 are not equal.

7 0

2 years ago

A base of a triangle measures 10.7 meters. What is the measure of the corresponding midsegment of the triangle?

Alexxandr [17]

Answer:

C. 5.35

Step-by-step explanation:

Because the midsegment is half of the base

All you have to do is divide the 10.7 by 2

6 0

3 years ago

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the electricity goes out in a house. the temperature in the house changes by -8 fahrenheit in 4 hours. on average, by how many d

Aliun [14]

Answer:

-2 degrees per hour

Step-by-step explanation:

6 0

3 years ago

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Deposit $500 4% interest 2 years

STatiana [176]

Are you looking for the amount after interest gained? If so I believe the answer would be $40.

500 x 0.04 x 2 = 40

7 0

3 years ago