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3 years ago

The height of tower a is 802 feet more than tower

Mathematics

1 answer:

igomit [66]3 years ago

5 0

The height of tower A is 1016 feet and tower B is 212 feet.

Explanation

Suppose , the height of tower B is $h$ feet.

As the height of tower A is 802 feet more than tower B , so the height of tower B will be : $(h+802) feet$

Given that, the two towers have a combined height of 1226 feet.

So, the equation will be...

$h+(h+802)=1226\\ \\ 2h=1226-802\\ \\ 2h=424\\ \\ h= \frac{424}{2}=212$

Thus, the height of tower B is 212 feet and height of tower A is (212+802) feet = 1016 feet.

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3 years ago

The volume of a spherical sculpture is 256 ft³. Rhianna wants to estimate the surface area of the sculpture. To do the estimate,

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Answer:

192 $ft^2$

Step-by-step explanation:

Given that

Volume of spherical sculpture = 256 ft³

$\pi$ is used as 3.

To find:

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Solution:

First of all, let us learn about the formula for Volume and Surface Area of Sphere:

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Given volume is 256 ft³.

$256 = \dfrac{4}{3}\pi r^3\\\Rightarrow 256 = \dfrac{4}{3}\times 3 r^3\\\Rightarrow 256 = 4 r^3\\\Rightarrow r^3=64\\\Rightarrow \bold{r = 4\ ft}$

Now, let us put r = 4 in the formula of Surface Area to find the value of Surface Area:

$Surface\ Area = 4\pi 4^2 = 4 \times 3 \times 16 = \bold{192\ ft^2}$

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3 years ago

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4 years ago

Find the equation of the axis of symmetry for the parabola y = x^2 .

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4 years ago

Read 2 more answers

Given that a function, h, has a domain of -3 ≤ x ≤ 11 and a range of 1 ≤ h(x) ≤ 25 and that h(8) = 19 and h(-2) = 2, select the

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Answer:

Option D. h(2) = 16

Step-by-step explanation:

Verify each statement

case A) h(8) = 21

The statement is false

Because

we know that

h(8)=19 -----> given value

and

If h(8) = 21 then f(x) is not a function

case B) h(13) = 18

The statement is false

Because x=13 not belong to the domain of the function

case C) h(-3) = -1

The statement is false

Because

x=-3 belong to the domain

but

h(-3)=-1 not belong to the range of the function

case D) h(2) = 16

The statement could be true

Because

x=2 ----> belong to the domain of the function

h(2)=16 ----> belong to the range of the function

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3 years ago