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GREYUIT [131]
2 years ago
10

The Mackinac Bridge in Michigan is the third-longest suspension bridge in the United States.

Mathematics
2 answers:
likoan [24]2 years ago
6 0
A: 60.66 m
b:8.04 km
Pie2 years ago
4 0
The roadway is about 60.66 metres above the water.

The length of the bridge is about 8.04 kilometres.
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Find the volume of a right circular cone that has a height of 11.1 cm and a base with a diameter of 17.2 cm. Round your answer t
vovangra [49]

Answer:

2577.8\text{ cm}^3

Step-by-step explanation:

GIVEN: A right circular cone that has a height of 11.1 cm and a base with a diameter of 17.2 cm.

TO FIND: Volume of cone.

SOLUTION:

radius of cone =\frac{\text{diameter}}{2}=\frac{17.2}{2}=8.6\text{ cm}

height of cone =11.1\text{ cm}

Volume of cone =\frac{1}{3}\pi r^2h

putting values we get

Volume of cone =\frac{1}{3}\times3.14\times8.6\times8.6\times11.1

                           =2577.8\text{ cm}^3

Hence the volume of cone is 2577.8\text{ cm}^3

3 0
3 years ago
Is the following true or false? d/dx[x^3e^x]=x^2e^x (3x+2)
wolverine [178]
It's false. It's a product so...
Derivative of the first TIMES the second PLUS derivative of second TIMES the first.

Derivative of the first (x^3) = 3x^2
Times the second = 3x^2 * e^x

Derivative of the second = e^x (remains unchanged)
Times the first = e^x * x^3
So the answer would be (3x^2)(e^x) + (e^x)(x^3)
which can be factorised to form x^2·e^x(3 + x)


3 0
3 years ago
8)<br> Solve for x.<br> -3x - 8 = 10<br> A)<br> -54<br> B)<br> -6<br> C)<br> 6<br> D)<br> 5<br> 54
lakkis [162]

Answer:

X= -6 (B)

Step-by-step explanation:

-3x=18

X=18/-3

X= -6

3 0
3 years ago
Can someone help me out
Likurg_2 [28]
False i think, i did it in my head so it might be wrong, but im pretty sure its false. hope it helped
8 0
3 years ago
Read 2 more answers
Which of the binomials below is a factor of this trinomial 5x^2-18x+9
DaniilM [7]

Answer:

5x-3 or x-3

Step-by-step explanation:

I don't know what are the choices, so I'll just factor the whole thing. Choose the ones that fit.

-3 + -15 = -18

-3 * -15 = 9*5

5x^2-15x-3x+9

5x(x-3)-3(x-3)

(5x-3)(x-3)

6 0
3 years ago
Read 2 more answers
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