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bixtya [17]
2 years ago
5

Which expression is equivalent to(60)^2-(12)^2?

Mathematics
2 answers:
solmaris [256]2 years ago
4 0

Answer:

the answer is b

Step-by-step explanation:

(60-12)(60-12)

seraphim [82]2 years ago
3 0

Answer:

The answer is

{60}^{2}  -  {12}^{2}  \\  = (60 - 12)(60 + 12)

Step-by-step explanation:

I am a math teacher If you need any explanation you can communicate with me on Whats on this number +201557831028

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Evaluate 3/7r + 5/8s when r = 14 and s = 8.
Ahat [919]
In this question, plug in 14 for r and 8 for s, which will look like 3/98 + 5/64. Solve, and you will get 0.109 = 0.11.
6 0
3 years ago
An athlete eats 75 g of protein per day while training. How much protein will she eat during 21 days of training? Write your ans
lisov135 [29]

Answer:

1.575 kg

Step-by-step explanation:

75g x 21

1575 g

convert to kg

1.575 kg

Brainliest Appreciated!

7 0
3 years ago
In how many ways can a teacher arrange 6 students in the front row of a classroom with a total of 20 students?
Luba_88 [7]
The concept of the question above is Permutation where in we are to arrange to arrange the 6 students from which there are 20 students. This is the "permutation of 20 taken 6" or 20P6. The numerical value of the permutation is equal to 27907200. 
5 0
3 years ago
2.When I walked into King Soopers yesterday, I noticed that the Colorado Rockies t-shirts had a sign reading “25% off sale!”. If
daser333 [38]

Given:

The discount is 25%.

The selling price of the shirt after the sale is $20.99.

To find:

The selling price of the shirt before the sl;e

Explanation:

Let the old price be x.

The equation can be framed as follows,

\begin{gathered} (\frac{100-25}{100})\times x=20.99 \\ \frac{75}{100}\times x=20.99 \\ x=20.99\times\frac{100}{75} \\ x=27.986 \\ x\approx27.99 \end{gathered}

Final answer:

The selling price of the shirt before the sale is $27.99.

4 0
11 months ago
I know the answer, but I have to show work as well. Please help!
vesna_86 [32]
I^75= i^18x4+3= i^3
i^2^1= i^2= 1.
-1 x i= -i
3 0
3 years ago
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