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3 years ago

Can someone pls explain how did he got this answer? I did not get 7 in my calculator. Pls thank u

Mathematics

1 answer:

iren2701 [21]3 years ago

8 0

Answer:

You square 44 and 31 but you have two square cot². This is your error.

That's why you are getting wrong answer or you are not getting 7 in your calculator

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The average depth of the ocean is about

Dafna1 [17]

The height, in meters, of the tallest tower on the Incheon Bridge is 230.5 meters

From the question,

The average depth of the ocean is about 3688 meters.

Also,

To reach this depth, one would have to stack the tallest tower of the Incheon Bridge in South Korea 16 times.

Now, to determine the height, in meters, of the tallest tower on the Incheon Bridge,

We will divide the average depth of the ocean by 16

That is,

The height of the tallest tower on the Incheon Bridge = 3688 m ÷ 16

∴ The height of the tallest tower on the Incheon Bridge = 230.5 meters

Hence, the height, in meters, of the tallest tower on the Incheon Bridge is 230.5 meters

Learn more here: brainly.com/question/3029763

6 0

3 years ago

assume that tge volume,v, of a sphere is expanding at a rate of 100 inches cubex per minute, the volume of a sphere is given by

Zielflug [23.3K]

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\\\\
-----------------------------\\\\
\cfrac{dv}{dt}=\cfrac{4\pi }{3}\cdot 3r^2\cfrac{dr}{dt}\implies \cfrac{dv}{dt}=4\pi r^2\cfrac{dr}{dt}
\\\\\\
\cfrac{\frac{dv}{dt}}{4\pi r^2}=\cfrac{dr}{dt}\qquad 
\begin{cases}
\frac{dv}{dt}=100\\\\
r=8
\end{cases}\implies \cfrac{100}{4\pi 8^2}=\cfrac{dr}{dt}$

5 0

3 years ago

4 Celeste uses 24 inches of ribbon from a spool that holds 36 inches of ribbon. Which shows equivalent representations for the p

kaheart [24]

We are given that 24 out of 36 inches of ribbon is used. The percentage that is used is equivalent to:

$\frac{24}{36}=\frac{2}{3}$

Therefore, the percentage is:

$\frac{2}{3}\times100=0.66\times100=66\text{ percent}$

8 0

1 year ago

Which point on the number line best represents√57?

Cerrena [4.2K]

Answer:

Step-by-step explanation:

$\sqrt{57} =\sqrt{3 * 19}$

Since this cannot be further simplified, we will calculate the square root of 57 with our calculators.

We find that the square root of 57 is 7.549834435, and since the tenths place is a 5, we will round up to the next whole number. So, the point on the number line that best represents the square root of 57 is 8.

Hope this helps!

7 0

3 years ago

0.000149 correct to one decimal place

Lynna [10]

0.000149

Corrected to one decimal place is 0

3 0

4 years ago

Read 2 more answers