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Semenov [28]
2 years ago
12

I need help on this problem please I need it fast

Mathematics
1 answer:
Leya [2.2K]2 years ago
5 0

Answer

all 3 of those are not true

Step-by-step explanation:

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marshall27 [118]
Perimeter=2L+2W, in this case L=80+2(25) and W=170+2(25) so

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3 years ago
Given the graph of rectangle QUAD and its reflection.
mina [271]
I have no clue what that is
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suppose you are trying to increase your coin collection to at least 500 coins. How many coins do you need if you already have a
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A room 9m wide has a span roof which slopes at 34 degrees on one side and 44 degrees on the other. Find the length of the roof s
ivann1987 [24]

Answer:

Slope sides are;

5.07 m and 6.39 m

Step-by-step explanation:

I've attached a drawn diagram showing a triangle representing the roof slopes and I have attached it.

From the image attached, the missing angle is θ.

From sum of angles in a triangle,

θ = 180 - (44 + 34)

θ = 102°

Now, a & b represent the slopes of the roof.

Thus, using law of sines which is that;

a/sin A = b/sin B = c/sin C, we can solve as follows;

a/sin 34 = 9/sin 102

a = (9 × sin 34)/sin 102

a = (9 × 0.5512)/0.9781

a = 5.07 m

b/sin 44 = 9/sin 102

b = (9 × sin 44)/sin 102

b = (9 × 0.6947)/0.9781

b = 6.39 m

4 0
3 years ago
-2/5 x -1 1/4 <br> A) -1 1/10<br> B) -1/2<br> C) 1 1/10<br> D) 1/2
Harrizon [31]
The answer would be C b/c negative 2 times 11 is positive 22 and 2negatives equal a positive and then negative 5 times 4 equal 20 it would be 22/20 divide be top and bottom by 2 and you get your answer .
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2 years ago
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