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stira [4]
3 years ago
10

I am timed please HURRY

Mathematics
1 answer:
tatyana61 [14]3 years ago
3 0
You will have to do this problem on your own and see visual animation plus for your answer
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In triangle DEF, m∠D=45, m∠E=63, and EF=24 in. What is DE to the nearest tenth of an inch?
miskamm [114]
In order to use the Law of Sines, EF has to be the included side.  Therefore, we need to calculate angle F which is 72 degrees.

side f / sine (F) = side d / sine (D)
side f / sine (72) = side 24 / sine (45)
side f  = sine (72) * 24 / sine (45)
side f  = 0.95106 * 24 / .70711
side f (DE) = <span> <span> <span> 32.2798998741 </span> </span> </span>

answer is C


6 0
3 years ago
The sides of an equilateral triangle measure 16 inches. The midpoints of the sides of the triangle are joined to form another eq
astra-53 [7]

Answer:The perimeter of all four triangles is: 90 inches.

Step-by-step explanation:

7 0
3 years ago
CHICKEN WING + CHICKEN WING EQUALS WHAT?
Natalka [10]

Answer:

hot dog and baloney

Step-by-step explanation:

8 0
3 years ago
Consider A = (-9,4) and B (11,17). = Point P₂ partitions the segment from B to A in a 3:5 ratio. Find the coordinates of point P
Bogdan [553]

An easy way to do this is to parameterize the directed line segment from B to A by the function

\ell_{B\to A}(t) = (1-t) B + t A = (1 - t) (11, 17) + t (-9, 4)

with 0 ≤ t ≤ 1.

The point P₂ splits up AB so that BP₂ = 3/8 AB and AP₂ = 5/8 AB. Then we reach the point P₂ when t = 3/8, so its coordinates are

P_2 = \ell_{B\to A}}\left(\dfrac38\right) = \dfrac58 (11,17) + \dfrac38 (-9,4) = \boxed{\left(\dfrac72, \dfrac{97}8\right)}

3 0
2 years ago
If anybody knows the answer to this please help as soon as possible
zheka24 [161]

Answer:

Because we know the height of the mailbox is 4 feet and the length is 6 feet, and we also know that it's located 54 feet from the base of the flagpole, we can use proportions to solve the problem.

\frac{4}{6\\}=  \frac{x}{54}  

Cross-multiply 4 with 54 and 6 with x to result with 216=6x. Divide 6 to both sides to get 36. So, the height of the flagpole would be 36 feet.

8 0
3 years ago
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