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Anestetic [448]
4 years ago
12

Did Katherine Johnson have any famous inventions or math formulas?

Mathematics
1 answer:
Lorico [155]4 years ago
8 0
Yes she did , google search them using .org web sites for more answers katherine
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1 punto
yKpoI14uk [10]

Answer:

24

Step-by-step explanation:

3 0
3 years ago
What is {[6+(2x3)]-[10-(6-2)]}
julia-pushkina [17]

Answer:

6.

Step-by-step explanation:

Using order of operations (PEMDAS):

{[6+(2x3)]-[10-(6-2)]}     We  calculate the 'inner'  parentheses first:

=  {[6 + 6] - [10 - 4]}

= {12 - 6}

= 6.

5 0
4 years ago
Read 2 more answers
A salvage ship’s sonar locates wreckage at a 12 degree angle of depression. A diver is lowered 40 meters to the ocean floor. How
Dennis_Churaev [7]

Answer: First option is correct.

The diver need to walk 188.2 units along the ocean floor to the wreckage.

Step-by-step explanation:

Since we have given from the figure shown below:

AB=40\text{ meters}\\\\\theta=\angle {ACB}=12\textdegree

Consider ΔABC,

tan\theta=\frac{AB}{BC}\\\\tan12\textdegree=\frac{40}{BC}\\\\BC=\frac{40}{tan12\textdegree}\\\\BC=\frac{40}{tan{12\textdegree}\\\\BC=188.2\text{ units}

So, the diver need to walk 188.2 units along the ocean floor to the wreckage.

Hence, First option is correct.


5 0
4 years ago
Read 2 more answers
23. Find the area of the rectangle.
VikaD [51]

Answer:

A= 7x+21

Step-by-step explanation:

A= 7*(x+3)

A= 7x+21

Simply distribute the 7 by multiplying it with everything in the parentheses.

3 0
4 years ago
Read 2 more answers
Leon assembles an average of 9 machines per
laila [671]

Answer:

Leon pay $448.2 for four days.

Step-by-step explanation:

Given:

Leon assembles an average of 9 machines per  day.

He is paid $12.45 per machine.

Find pay for four days.

Leon pay $12.45 per machine and he is assembles an average of 9 machines per  day.

So, he is pay for one day = pay for each machine \times machines assembles in one day.

=12.45\times 9

=112.05

Leon pay $112.05 for one day.

So, he is pay for four days is

=4\times 112.05

=448.2

Therefore, Leon pay $448.2 for four days.

8 0
3 years ago
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