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4 years ago

What is Exponential growth and Exponential decay?

1 answer:

6 0

Let y = (b)ˣ

1) if b> 0, then growth, whatever the value of x>0
2) if b< 0, then decay, whatever the value of x >0
3) if b<0, then decay, whatever the value of x >0
4) if b<0, then growth, whatever the value of x <0

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A company's logo was designed using circles of 3 different. sizes. The diameters of two of the circles are shown. Which measurem

Helga [31]

Answer:

option D . 254.34cm^2

Step-by-step explanation:

The picture of the question in the attached figure

The options are:

A . 56.52cm^2

B . 141.30cm^2

C . 1,017.36cm^2

D . 254.34cm^2

step 1

Find the diameter of the largest circle

we know that

The diameter of the largest circle is equal to the sum of the diameter of the two inside circles

$D=6+12=18\ cm$

step 2

Find the area of the largest circle

we know that

The area of the circle is given by the formula

$A=\pi r^2$

we have

$r=18/2=9\ cm$ ----> the radius is half the diameter

assume

$\pi=3.14$

substitute

$A=(3.14)(9^2)=254.34\ cm^2$

4 0

4 years ago

Select the correct answer. Which equation represents this line in point-slope form? A. `(y + 4) = (4)/(3) (x + 3)` B. `(y −4) =

Readme [11.4K]

Answer:

The correct option is `(y −4) = -(4)/(3) (x +3) ..

Step-by-step explanation:

Look at the attached picture:

The points we have given are (-3, 4) and (3, -4)

Find the slope by applying the formula:

m = y2-y1/x2-x1

Here x1= -3

x2= 3

y1 = 4

y2 = -4

Now put the values in the formula:

m = -4 -4 /3 -(-3)

m = -8/3+3

m = -8/6

Now cancel the term by table of 2

m = -4/3

When two points are given, the equation of the line is

(y - y1) = m (x - x1)

y - 4 = -4/3 (x - (-3))

y-4 = -4/3 (x+3)

Thus the correct option is `(y −4) = -(4)/(3) (x +3) ....

4 0

3 years ago

on Saturday, mike did one hundred twenty six sit ups in six minutes. How many sit ups is that per minute?

Harman [31]

126/6=21 so your answer is 21 ! lol

4 0

4 years ago

Read 2 more answers

A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot

pochemuha

Answer:

Not exactly sure but maybe these percentages that i found can help you

Step-by-step explanation:

if there are 12 questions then there are 12 correct answers out of 60 total answers 12 divided by 60 = 0.20 which is 20 percent so upon guessing she has a theoretical 20 percent chance to get all questions correct

7 0

3 years ago

PLZ HELP ASAP!!!!!!!

Alexxx [7]

Answer:

angle 1 and angle 2 are supplementary angles

Step-by-step explanation:

When the base of the angles forms a straight line, the sum of the angles is 180°. That's the definition of supplementary angles.

Complementary angles form a right angle. The sum of complementary angles is 90°

A slightly silly way to remember Complementary angles: The two angles look at each other and compliment each other saying, "You look all right to me!"

"Yes, we are so right together!"

:)

6 0

3 years ago