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DIA [1.3K]
2 years ago
7

What is the area ?!!

Mathematics
2 answers:
Tresset [83]2 years ago
6 0

Answer:

309.02

Step-by-step explanation:

A=2(1+2)a2=2·(1+2)·82≈309.01934

lianna [129]2 years ago
5 0

Answer:A≈173.82ft²

Step-by-step explanation:

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Rajan ran 15km in 90 mins. How hast did he run.<br>​
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2700 bc in everminutes he would run 920

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2 years ago
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Solve the following equation
san4es73 [151]
The first step to solving this is to write the number in exponential form
2^{-IxI} = 2^{7}
since the bases are the same,, set the exponents equal to one another
-IxI = 7
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IxI = -7
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x ∈ ∅
this means that the answer to your question is x ∈ ∅
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2 years ago
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Sophie practices the piano 105 minutes in 1 week. If t represents the total time she practices for any number of days, d, write
Alex Ar [27]

Answer:

<h3>t = 15d</h3>

Step-by-step explanation:

You must first know that 1 week = 7days

If Sophie practices the piano 105 minutes in 1 week, this can be expressed as;

105 minutes = 7days

to calculate the total time t that she practices for any number of days, d, we will say;

t minutes = d days.

Solving both expression;

105 minutes = 7days

t minutes = d days.

Cross multiply;

7 * t = 105 * d

7t = 105d

Divide both sides by 7;

7t/7 = 105d/7

t = 15d

Hence a proportional equation for t in terms of d that matches the context is expressed as t = 15d

3 0
3 years ago
If h(x) = (f o g)(x) and h(x) = sqrt(x+5), find g(x) if f(x) = sqrt(x+2)
agasfer [191]

Answer:

  • g(x) = x + 3

Step-by-step explanation:

<h3>Given</h3>
  • h(x) = (f ο g)(x)
  • h(x) = \sqrt{x+5}
  • f(x) = \sqrt{x+2}
<h3>To find</h3>
  • g(x)
<h3>Solution</h3>

<u>We know that:</u>

  • (f ο g)(x) = f(g(x))

<u>Substitute x with g(x) and solve for g(x):</u>

  • \sqrt{x+5} = \sqrt{g(x)+2}
  • x + 5 = g(x) + 2
  • x + 3 = g(x)
  • g(x) = x + 3
7 0
3 years ago
I really need help, please? :)
son4ous [18]
124* or 56* good luck
6 0
3 years ago
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