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g100num [7]
3 years ago
9

Find AC. PLSSS HELP BRAINLIEST....

Mathematics
2 answers:
Kamila [148]3 years ago
6 0

Answer:

AC ≈ 5.3 ( to the nearest tenth )

Step-by-step explanation:

Using the cosine ratio in the right triangle.

cos68° = \frac{adjacent}{hypotenuse} = \frac{AB}{AC} = \frac{2}{AC}

Multiply both sides by AC

AC × cos68° = 2 ( divide both sides by cos68° )

AC = \frac{2}{cos68} ≈ 5.3

MrRissso [65]3 years ago
4 0

Answer:

5.3

Step-by-step explanation:

Cos(68) = adjacent/hypotenuse

Cos(68) = 2/AC

AC = 2/cos(68)

AC = 5.3389343253

AC = 5.3

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Select all line segment measurements below that could NOT be used to form a triangle. a triangle with the side measurements of 3
lara31 [8.8K]

Answer:

a triangle with the side measurements of 2, 3, and 5 inches

a triangle with the side measurements of 7, 8, and 16 inches

a triangle with the side measurements of 4, 4, and 8 inches

Step-by-step explanation:

A triangle is a polygon shape with three sides and three angles. There are different types of triangles such as isosceles triangle, scalene triangle, equilateral triangle and right angle triangle.

The triangle inequality theorem states that the sum of any two sides of a triangle is always greater than the third side.

For a triangle with the side measurements of 3, 4, and 6 inches:

3 + 4 > 6. This can be a triangle

For a triangle with the side measurements of 2, 3, and 5 inches:

2 + 3 is not greater than 5, hence it cannot be a triangle

For a triangle with the side measurements of 3, 3, and 4 inches:

3 + 3 > 4. This can be a triangle

For a triangle with the side measurements of 5, 5, and 5 inches

5 + 5 > 5. This can be a triangle

For a triangle with the side measurements of 4, 4, and 8 inches:

4 + 4 is not greater than 8, hence it cannot be a triangle

For a triangle with the side measurements of 7, 8, and 16 inches:

7 + 8 is not greater than 16, hence it cannot be a triangle

8 0
3 years ago
It takes Adara 3 hours to drive from Ashdown to Bridgeton at an average speed of 60 mph.
Scrat [10]

Answer:

61.2 mph

Step-by-step explanation:

Let's first calculate the individual legs of Adara's trip in terms of both time and distance:

<u>Ashdown to Bridgeton</u>

3 hr at 60 mph = 180 miles in 3 hours

<u>Bridgeton to Carton</u>

30 miles at 70 mph:  30 miles/(70 miles/hour) = 0.429 hours

<u>Total Trip</u>

Miles = 180 + 30 = 210 miles

Time = 3 + 0.429 = 3.429 hours

Average speed is (210 miles)/(3.429 hours) = 61.25 or 61.2 miles/hour to 1 decimal point.

8 0
3 years ago
What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3
Georgia [21]

Answer:

9

Step-by-step explanation:

6.4(x)+2.8y=44.4

6.4(3)+2.8y=44.4

19.2+2.8y=44.4

2.8y=25.2

y=9

7 0
3 years ago
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Kobotan [32]
16 x8 will be the new lenth!
4 0
3 years ago
A value is in the domain of a function if there is a(n)_____ on the graph at the x-value.
ANEK [815]

Answer:

Point

Step-by-step explanation:

8 0
3 years ago
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