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aliya0001 [1]
3 years ago
10

Rearrange the formula A = πab 4 for b.

Mathematics
2 answers:
svlad2 [7]3 years ago
7 0

Answer:

The required formula is  b=\frac{4A}{\pi a} .

Step-by-step explanation:

The given formula is

A=\frac{\pi ab}{4}

Multiply both sides by 4.

A\times 4=\frac{\pi ab}{4}\times 4

4A=\pi ab

Divide both sides by πa.

\frac{4A}{\pi a}=\frac{\pi ab}{\pi a}

\frac{4A}{\pi a}=b

Therefore required formula is  b=\frac{4A}{\pi a} .

stepladder [879]3 years ago
5 0
So i think the formula is A=πab. To isolate b you divide by πa on both sides so you end up with:

A/(πa)=b

Hop ethat helped.
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A square postage stamp has area 1280 mm. About how long is each​ side?
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Answer:

Each side is 35.78 mm

Step-by-step explanation:

A square would have 4 equal sides.  Since area of a square is x^2, where x is one side, we can write:

x^2 = 1280

x = 35.78 mm

Each side is 35.78 mm

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2 years ago
A rectangular field is twice as long as it is wide. if the perimeter of the field is 450 yards. what are the fields dimensions?
Nat2105 [25]
Let width = x
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7 0
3 years ago
If f(3) = 3^x and g(x) = 7^x then the graph of g(x) will be — the graph of f(x) when x<0.
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Using the given exponential functions, it is found that the graph of g(x) will be less than than the graph of f(x) when x < 0.

<h3>What are the exponential functions?</h3>

The given exponential functions, f(x) and g(x), are respectively given by:

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When x < 0, one possible value is x = -1, hence evaluating the functions at these values:

f(-1) = 3^{-1} = \frac{1}{3}

g(-1) = 7^{-1} = \frac{1}{7}

\frac{1}{3} > \frac{1}{7}, hence, the graph of g(x) will be less than than the graph of f(x) when x < 0.

More can be learned about exponential functions at brainly.com/question/25537936

3 0
2 years ago
The angles of a quadrilateral measure 80, 100, 100, 80 in this order what kind of quadrilateral has this shape what attributes h
Harrizon [31]

Answer:

Isosceles trapezoid

Step-by-step explanation:

-An isosceles trapezoid is also sometimes called a convex quadrilateral.

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Find the surface area and volume of a cube with sides of 5.5 cm each.
djyliett [7]

Answer:

Area: 181.5

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Step-by-step explanation:

Hope this helps.

6 0
3 years ago
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