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Artist 52 [7]
3 years ago
10

A robot can complete 5 tasks in 2/3 hour. Each task takes the same amount of time.

Mathematics
2 answers:
Natasha2012 [34]3 years ago
7 0

Answer:

5 tasks = 2/3 hour.

1 task = 2/3 hour /5 = 2/15 hour.

How many tasks can the robot complete in one hour?

1 hour / (2/15 hour/task) = 15/2 tasks = 7.5 tasks.

earnstyle [38]3 years ago
4 0

Answer:

A. 8 Minutes  

B. 7.5 Tasks

Step-by-step explanation:

A. Since 2/3 of an hour is 40 minutes. We can divide 40 by 5 to get the answer of 8 minutes per task.

B. An hour is 60 minutes. So 60 divided by 8 minutes would be 7.5 Tasks.

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Can someone help me please and thank you
Veronika [31]

Find the ratio of the two similar sides that both dimensions are given.

The smaller triangle aide that is 4 units is the similar side of the larger triangle given as 8 units.

8 / 4 =2, this means the larger triangle is 2 times the size of the smaller triangle, which also means the smaller triangle is 1/2 the size of the larger triangle.


X on the smaller triangle is 1/2 11 units which equals 5.5 units.

Y is 2 times 3, which equals 6 units.

x = 5.5

y = 6

3 0
3 years ago
I need help!! please, you don’t even have to do it all just explain to me how to do the first one I’ll catch on
lisov135 [29]

Hi there!

<u>What we need to know:</u>

The three main trigonometric ratios are sine, cosine and tangent:

\displaystyle sin\theta=\frac{opposite}{hypotenuse}     \displaystyle cos\theta=\frac{adjacent}{hypotenuse}    \displaystyle tan\theta=\frac{opposite}{adjacent}

"Opposite" refers to the side opposite the angle that is not the hypotenuse.

"Hypotenuse" refers to the side opposite the right angle of a right triangle.

"Adjacent" refers to the side next to the angle that is not the hypotenuse.

"θ" is read as "theta". It just represents the angle.

Keep in mind that these three ratios only apply to right triangles.

You can use the mnemonic "soh-cah-toa" to help you remember these ratios.

<u>First question</u>

For the first question, we're given the angle with a measure of 56 degrees and the length of the <em>hypotenuse</em>. We must calculate <em>a</em>, which represents the side <em>adjacent </em>to the given angle.

Given the hypotenuse and the adjacent side, we know that we must use the cosine ratio:

\displaystyle cos\theta=\frac{adjacent}{hypotenuse}

Plug in the given information:

\displaystyle cos56=\frac{a}{13}

Isolate <em>a</em> by multiplying both sides by 13:

13\displaystyle cos56=a

Solve using a calculator:

a=7.3

Therefore, <em>a</em> is equal to 7.3 when rounded to 1 decimal place.

<u>Other information you will need to know:</u>

In the above question, we needed to solve for a side. But what if we were given two sides and we needed to solve for an angle? For example:

\displaystyle sin\theta=\frac{5}{8}

In this case, we will use the inverse sine ratio:

\displaystyle \theta=sin^-^1(\frac{5}{8})

Solve using a calculator:

\displaystyle \theta=39

Therefore, the angle would equal approximately 39 degrees.

I hope this helps!

3 0
2 years ago
28 lunch; 15 % tip<br><br><br> I need to show my workkkk
NeX [460]
28 x .15 = 4.2

28 + 4.2 = 32.2 <---- ANSWER

Hope this helps :)
5 0
3 years ago
Read 2 more answers
Helppp me plz Srry again
Kay [80]

Step-by-step explanation:

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4 0
3 years ago
What is the answer to x-5?
Thepotemich [5.8K]

Answer: x=5

Step-by-step explanation:

i’m not sure if that’s what you meant. there’s not much info.

8 0
3 years ago
Read 2 more answers
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