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Inga [223]
3 years ago
14

a property owner wants to build a small bridge across a stream running through his field. He knows that the weight the bridge ca

n support is inversely proportional to the length of the bridge. If he builds the bridge across the widest part of the stream, which is 4 feet in length, the bridge can hold 120 pounds of weight. How much weight can the bridge support if he builds it across the part of the stream that is 2.5 feet in length
Mathematics
1 answer:
ycow [4]3 years ago
8 0
The building can hold 250 people
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Solve, 3y(4y−1)−2y(6y−5)=9y−8(3+y)
igomit [66]

Answer:

3y(4y-1)-2y(6y-5)=9y-8(3+y)

12y∧2-3y-12y∧2+10y=9y-24-8y

12y∧2-12y∧2-3y+10y=9y-8y-24

7y=y-24

7y-y=-24

6y=-24

y=-24/6=-4

Step-by-step explanation:

5 0
3 years ago
adam walk 2 miles a day for the first week of his exercise plan. the he walk 3 miles a day for the next 9 days. how many miles d
Digiron [165]

Answer:

41 miles

Step-by-step explanation:

The first week, which is 7 days, Adam walked 2 miles a day. So, we have the multiplication equation: 2 * 7 = 14 miles.

For the next 9 days, Adam walked 3 miles per day. So, we have the multiplication equation: 3 * 9 = 27 miles.

Now, we just add these two values together:

14 + 27 = 41 miles

Thus, the answer is 41 miles.

Hope this helps!

7 0
3 years ago
The side length, s, of a cube is 3x + 2y. If V = s3, what is the volume of the cube?
Thepotemich [5.8K]
V = (3x + 2y)³ = (3x + 2y)(3x + 2y)(3x + 2y)
V = (9x² + 12xy + 4y²)(3x + 2y)
V = 27x³ + 36x²y + 12y²x +18x²y + 24xy² + 8y³
V = 27x³ + 54x²y + 36y²x + 8y³
6 0
3 years ago
Read 2 more answers
Find (2 × 104) − (3 × 103). A) 1.07 × 103 B) 1.07 × 104 C) 1.7 × 103 D) 1.7 × 104
pickupchik [31]
2 \times 10^{4} - 3 \times 10^{3} = 2 \times 10^{4} -0.3 \times 10^{4} = (2.0 -0.3) \times 10^{4} = 1.7 \times 10^{4}

Selection D is appropriate.
4 0
3 years ago
Read 2 more answers
1) -15 - 47 = 3(7-7)
lidiya [134]
What is the question?
5 0
3 years ago
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