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kicyunya [14]
3 years ago
12

Find BC

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
The graphic says find BC and it says BC = 33 feet
Anyway, assuming the ladder is 34 feet, and makes an 82 degree angle,
cosine 82 degrees = adjacent / hypotenuse
adjacent = cosine 82 degrees * hypotenuse
adjacent = 0.13917 * 34
adjacent (or side BC) = <span> <span> <span> 4.73178 </span> </span> </span> feet

height (line AB) = sine (82 degrees) * hypotenuse (34 feet)
height (line AB) = 0.99027 * 34
height (line AB) = 33.67 feet

topjm [15]3 years ago
3 0
If the bottom side is ab then bc is <span>8.18535277, which to the nearest tenth is 8.2
</span>
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Please help!!!! i don’t understand any of this and really need it.
astraxan [27]

Answer:

B) 3.2 mi

Step-by-step explanation:

1. The midpoints: midpoint formula = <em>((x₁ + x₂)/2, (y₁+ y₂)/2)</em>

upper = ((6 + -4)/2, (8 + 0)/2) --><em> (1, 4)</em>

lower = ((-8 + 2)/2, (3 + -5)/2) --><em> (-3, -1)</em>

2. Distance: distance formula = <em>√((x₁ - x₂)² + (y₁ - y₂)²)</em>

√((1 + 3)² + (4 + 1)²) = √(16 + 25) = √41 ≈ 6.403... ≈ <em>6.4</em>

3. Scale: 6.4 * 0.5 mi = 3.2 mi

5 0
3 years ago
What scale factor was applied to the first rectangle to get the resulting image? Enter your answer as a decimal in the box.
zysi [14]

Answer:


Step-by-step explanation:

the answer was 0.2

4 0
3 years ago
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KengaRu [80]

Answer:

Kaylynn=$270

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Step-by-step explanation:

Kaylynn=8.25x32.5=268.125 but since its estimated we round it up to 270.

Amanda=8.75x28.5=249.375 but since its estimated we round up to 250.

5 0
2 years ago
Giving 100 points if someone can answer this correctly...
RUDIKE [14]

Answer:

3813.6

Step-by-step explanation:

90.8 x 42 = 3813.6

7 0
3 years ago
The difference in ages between a father and a son is 35. The sum is
kenny6666 [7]
66

Difference means subtract. So, 101-35=66
7 0
3 years ago
Read 2 more answers
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