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lana [24]
2 years ago
8

What is the length of a diagonal of a cube with a side length of 3 cm?

Mathematics
1 answer:
hodyreva [135]2 years ago
4 0
The answer to that question is 27 cm
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Suppose f(x) = 2x-1 and g (x) = x + 1/a. Which value(s) of a would make the composite functions commutative? A. 0 B. 2 C. any va
Tamiku [17]

Answer:

2

Step-by-step explanation:

A commutative function means that when you insert one function in space of x in the other function, they will equal x. The equation is f(g(x)) = g(f(x)) = x

So, 2(\frac{x+1}{a}) - 1 = \frac{(2x-1)+1}{a}

If you multiply both sides by <em>a</em>, you get   2<em>a</em>(\frac{x+1}{a}) - a = (2x-1)+1

Simplify it                                                   2<em>a</em>(\frac{x+1}{a}) - <em>a</em> = 2x

Add <em>a</em> to both sides                                    2<em>a</em>(\frac{x+1}{a})  = 2x +<em>a</em>

The two <em>a</em>s on the left cancel out                   2(x+1)=2x+<em>a</em>

Distribute the 2                                               2x+2=2x+<em>a</em>

Then subtract 2x from both sides                        2 = <em>a</em>

Therefore, <em>a</em> = 2

Hope this helps!

8 0
3 years ago
Read 2 more answers
What is slope? <br><br> Vbxnkdb
Artist 52 [7]

Answer:

The slope of a line characterizes the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points .

Step-by-step explanation:

3 0
3 years ago
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Sue has $1.15 in nickels and dimes, a total of 16 coins. How many nickels and how many dimes does Sue have?
adell [148]
0.05x+0.10y=1.15
x+y=16
solve the system
6 0
3 years ago
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Multiple by moving the decimal point 24.6x100,37x1,000 0.367x10,000,0.005x1000,000 .
lesya [120]

The answers are 2460, 37,000, 3670 and 5000

Step-by-step explanation:

  • Step 1: Find the answers for each by multiplying.

24.6 × 100 = 2460 (moved one decimal point)

37 × 1000 = 37,000

0.367 × 10000 = 3670 (moved three decimal points)

0.005 × 1000,000 = 5000 (moved three decimal points)

8 0
3 years ago
A pipe is leaking at 1.5 cups per day. About how many gallons per week is the pipe leaking?
Ira Lisetskai [31]
1.5 cups = 0.09375 gallon
per week = 7 days 
So, 0.09375(7) =0.65625 gallon /week
Or you could round it to 0.66
7 0
3 years ago
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