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drek231 [11]
3 years ago
7

of building code regulation which requires that the slope of the riser to the tread of a staircase be 60% with an absolute devia

tion of 10%. Find the maximum and minimum slopes of the staircase.
Mathematics
1 answer:
musickatia [10]3 years ago
6 0
10% either side of 60% (about 31°) makes the minimum slope 54% (about 28°) and the maximum slope 66% (about 33°).
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Write the equation of a line that goes through point (0,1) and has a slope of 0
8090 [49]

Answer:

1 = y

Step-by-step explanation:

The y-intercept is [0, 1], so you draw a horizontal line through the line y = 1., which is considered a zero <em>slope</em><em> </em>[<em>rate</em><em> </em><em>of</em><em> </em><em>change</em>].

I am joyous to assist you anytime.

5 0
3 years ago
the state sales tax in pennsylvania is 0.06 (or 6%). if your total bill at the music store included $3.03 in sales tax, how much
Sedbober [7]
The answer is: 50.5

Solution:

3.03 x 100 = 303
303 ÷ 6 = 50.5
3 0
3 years ago
Ashley can ride her bicycle 15 miles in 2 hours. There are 60 minutes in 1 hour, and there are 1,760 yards in 1 mile. How many y
stepladder [879]
Speed is given by:
speed=distance/time
given that:
1 mile=1,760 yards
1 hour=60 min
then the speed in yards/sec will be:
distance Ashley covered is 15 miles
time=2 hours
thus;
speed=(15x1760)/(2x60)
=220 yards/ min
8 0
3 years ago
Read 2 more answers
In Juan's coin bank there are nickels (n),
alukav5142 [94]

Answer:

The answer is 8 quarters, 16 nickles, and 32 dimes

Step-by-step explanation:

  1. First, the equation would be (2/4d) x 5 +d x 10 +1/4d x 25= 600 (Don't put 6.00, that's dollars. We put 6 dollars into cents to make it easier.)
  2. Then we slowly start to solve: 10/4d + 10d + 25/4d = 600
  3. 10d+40d+25d/4 = 600 (Put all of that over 4, not first 25d)
  4. 75d= 600 x 4
  5. d=600 x 4/75 (same here put everything over 75)
  6. d=32
  7. So then n= 2 x 32/4 = 16
  8. Then n would be equal to : 1/4d= 1/4 x 32 = 8
  9. So your answer would be 8 quarters, 16 nickles, and 32 dimes.

Hope this helped :)

5 0
3 years ago
Solve for x. 2(x - 4) = 6(x + 2) -2 -1 -5 4
Iteru [2.4K]
Distribute on both sides

2x - 8 = 6x + 12

Move x to one side

-20 = 4x

Divide by 4

-5 = x
8 0
3 years ago
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