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3 years ago

Determine whether each equation represents exponential growth or decay y=16.5(1.025)^(1/x)

Mathematics

1 answer:

asambeis [7]3 years ago

8 0

That equation would be an exponential decay because as x gets bigger, the f(x) gets smaller.

i.e

y=16.5(1.025)^(1/1) = 16.9 rounded

y=16.5(1.025)^(1/2) = 8.5 rounded

y=16.5(1.025)^(1/3) = 5.6 rounded

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What are the solutions to the equation?

olga2289 [7]

Answer:

x = −10 and x = 4

Step-by-step explanation:

x2 + 6x = 40

Subtract 40 from each side

x^2 + 6x -40 =0

Factor, what 2 numbers multiply to -40 and add to 6

10 * -4 = -40 10+-4 = 6

(x+10) (x-4) = 0

Using the zero product property

x+10 =0 x-4=0

x=-10 x=4

6 0

3 years ago

Read 2 more answers

Petra was given 12 yards of fabric to make costumes for the school play if each costume requires 1 1/2 yards how many costumes c

solmaris [256]

Petra can make 8 costumes with 12 yards of fabric

<h3><u>Solution:</u></h3>

Given that Petra was given 12 yards of fabric to make costumes for the school play

Each costume requires $1\frac{1}{2}$ yards

<em><u>To find: number of costume Petra can make</u></em>

The number of costume Petra can make is calculated by dividing the total fabric she has by fabric needed for one costume

$\text {number of costume Petra can make }=\frac{\text {total fabric she has }}{\text {fabric needed for one costume }}$

Total fabric she has = 12 yards

Fabric needed for 1 costume = $1\frac{1}{2} = \frac{2 \times 1 + 1}{2} = \frac{3}{2}$ yards

Therefore,

$\text {number of costume Petra can make }=\frac{12}{3 / 2}=\frac{12}{3} \times 2=8$

Thus petra can make 8 costumes with 12 yards of fabric

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3 years ago

Jhonny has 7 apples how manuy apples does jonny haves

kicyunya [14]

Answer: 7 apples

Step-by-step explanation:

Considering it's the same person and you only had a typo?

6 0

2 years ago

The figure is made up of two shapes a semi circle on a rectangle what is the exact perimeter of the

Llana [10]

The perimeter of the composite shape is: (3π + 12)mm

<h3>What is a semicircle?</h3>

A semicircle is a part of a circle cut through its diameter.

Analysis:

perimeter of a semicircle = πr

where r = 6/2 = 3mm

perimeter of a semicircle = π(3) = 3π

perimeter of incomplete rectangle = L+2B, L = 6mm, B = 3mm

perimeter of rectangle = 6mm +2 x 3= 12mm

perimeter of shape = (3π+12)mm

In conclusion, the perimeter of the rectangle is (3π+12)mm

Learn more about semicircles :brainly.com/question/285710

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1 year ago

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klemol [59]

Answer:

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Step-by-step explanation:

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