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seraphim [82]
2 years ago
7

According to building codes, a wheelchair ramp should have a slope of 1/10 or less.

Mathematics
1 answer:
Leto [7]2 years ago
7 0

Using the slope formula, it is found that the slope is of <u>0.09375 < 0.1</u>, hence, it meets the requirements.

The slope of a ramp is given by it's height divided by it's length, that is:

m = \frac{h}{l}

In this problem:

  • The height is of 75 cm, hence h = 75.
  • The length is of 800 cm, hence l = 800.

Then, the <em>slope </em>is given by:

m = \frac{h}{l} = \frac{75}{800} = 0.09375

The slope is of <u>0.09375 < 0.1</u>, hence, it meets the requirements.

A similar problem about the use of slopes in ramps is given at brainly.com/question/18090623

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Please solve : -9b(b+2)=0
Illusion [34]

Answer:

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−9b2−18b=0

Step 2: Factor left side of equation.

(−9b)(b+2)=0

Step 3: Set factors equal to 0.

−9b=0 or b+2=0

b=0 or b=−2

4 0
4 years ago
Mr. Florean opened an account with deposit of $5,000. The account earned 7.5% annual simple interest. He did not make any additi
Lena [83]

Answer:

4 years

Step-by-step explanation:

The simple interest = $6,500 - $5,000 = $1500

From the formula for simple interest;

I=PRT/100

T= 100 I/PR

T= 100 × 1500/5000 × 7.5

T= 150000/37500

T= 4 years

3 0
3 years ago
What is the mean for 34,56,78,98 ?
Naya [18.7K]

Answer:

The answer is 66.5

Step-by-step explanation:

To get the mean, you add all the numbers together, then you divide by the # of numbers their are. So you add 34,56,78,98, and then you divide by 4.

6 0
3 years ago
State whether the given measurements determine zero, one, or two triangles. A = 80°, a = 24, b = 50
Arte-miy333 [17]
We know that
applying the law of sines
a/sin A=b/sin B---------> a*sin B=b*sin A
<span>A = 80°, a = 24, b = 50
sin B=[b*sin A]/a-----> sin B=50*sin 80/24-----> sin B=2.0517

the sines value </span><span>can not be greater than 1
hence

the answer is
zero triangles</span>
4 0
4 years ago
Read 2 more answers
Find the maximum rate of change of f at the given point and the direction in which it occurs. f(x, y) = 4y sqrt (x) , (4, 5) max
liubo4ka [24]

Answer:

Remember that the maximum rate of change of f at a point u is the length of the of the gradient vector evaluate in u, and the direction in which it occurs is in direction of the gradient vector evaluate in u.

The gradient vector of f is

\triangledown f(x,y)=(\frac{\partial f}{\partial x},\frac{\partial f}{\partial y})=(2yx^{-\frac{1}{2}}, 4\sqrt x)

Then, the maximum rate of change is|\triangledown f(4,5)|=|(2*5*4^{-\frac{1}{2}}, 4\sqrt 4)|=|(5,8)|=\sqrt{5^2+8^2}=\sqrt89 in the direction of (5,8).

4 0
4 years ago
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