3 years ago

A trampoline has an area of 49 times pie square feet. what is the diameter of the trampoline?

Mathematics

1 answer:

zimovet [89]3 years ago

3 0

153.0957135885=49*pie

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15 workers working 8hrs a day can complete a piece of work in 20 days. In how many days will 10 workers do it,working 6 hrs a da

mel-nik [20]

Answer:

40 days

Step-by-step explanation:

w1*h1*d1=w2*h2*d

15*8*20=10*6*d

2400=60d

d=2400/60

d=40

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2 years ago

Recording studio sometimes has soft panels on the walls. How might these panels improve the quality of the recording?

GalinKa [24]

C will be the correct answer

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3 years ago

What is the inverse of g? <br> g(x) = 3/x+7

ikadub [295]

Given function :-

$\bf \implies g(x) = \dfrac{3}{x}+7$

To find its reverse , substitute y = g(x) .

$\bf \implies y = \dfrac{3}{x}+7$

Interchange x and y .

$\bf \implies x = \dfrac{3}{y}+7$

Solve for y .

$\bf\implies \dfrac{3}{y}= x -7 \\\\\bf\implies y =\dfrac{3}{x-7}$

Replace y with f-¹(x) .

$\implies\boxed{\red{\bf f^{-1}(x) = \dfrac{3}{x-7} }}$

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2 years ago

If the retail price of an item is $65, and the markup is 50%, find the wholesale price.

Montano1993 [528]

Answer:

32.5

Step-by-step explanation:

% over 100 = is/ of

50% over 100 = x / 65

cross multiply

3250/ 100x = 32.5

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2 years ago

the slope of the line is below 2. use the coordinates of the labeled point to find a point-slope equation of the line.

Allushta [10]

Answer:

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = 2 and (a, b) = (1, 9) , thus

y - 9 = 2(x - 1) → C

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3 years ago