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Alik [6]
2 years ago
15

Jordan has saved $15. He doubles the amount he saves each week. Does this represent an exponential function? Why?

Mathematics
1 answer:
Andrej [43]2 years ago
8 0

Answer:

it does not

this is because his income increases at a constant rate. At any given week, his income increases by double

Step-by-step explanation:

An exponential function is usually in the form : a^{x}

where a =  positive constant other than 1

x = variable component

for example ,

Assume that Jordan saves $15. he increases this amount by 10% weekly. this statement represents an exponential function.

The amount he would have in 7 weeks = 15 x (1.1)^7 = 29.23

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AlexFokin [52]

Answer:

1. a =3(2a) +5 and a= 6a+5

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Step-by-step explanation:

5 0
2 years ago
A rectangle flower bed is 9 feet wide and 12 feet long .what is the length of the diagonal?​
BigorU [14]

Answer:

15 feet

Step-by-step explanation:

The question talks about;

  • A rectangular flower bed whose dimensions are 12 ft by 9 ft

We are required to determine the length of the diagonal

To answer the question, we need to know the following;

  • All the angles in a rectangle are right angles
  • A diagonal divides a rectangle into two right-angled triangles
  • The dimensions of the rectangle acts as the legs of right angled triangle.

Therefore;

Using Pythagoras theorem;

a² + b² = c²

Where, c is the hypotenuse (in this case the diagonal)

a and b are the shorter sides of the right-angled triangle

Therefore;

c² = 12² + 9²

c² = 144 + 81

   = 225

c = √225

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Therefore, the length of the diagonal is 15 feet

5 0
3 years ago
The circumference of the earth is about 25,000 miles. Approximately how far is it from any point on the earth's surface to its c
ELEN [110]
Since C = 2rπ
 
if the C of earth = 25000 miles

then the r =  C ÷ (2π)
                = 25,000 miles ÷ 2π
                = 12500 ÷ π
                ≈ 3978.87358 miles

Since radius is a measure of the distance from the center to any point on the circle then that distance would be about 3978.8736 miles<span />
5 0
2 years ago
My little sister needs help in this and I don't remember. ​
Anna71 [15]
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7 0
1 year ago
The sum of the first and third of three consecutive even integers is 136. find the three even integers.
tatyana61 [14]
Based on your problem, you only have one given. So, you can't make an equation for this because there are not limits to the equation. The only thing that you know is that the three numbers are consecutive even integers. My way of solution for this is trial-and-error. However, it's really quite easy. 

For example: 42 + 46 = 88. I have to increase the numbers more to reach 136. Suppose: 82 + 86 = 168. That exceeded 136. So, it must be between 46 and 82. Suppose again: 66 + 70 = 136. Therefore, the sequence of the consecutive even integers are 66, 68, and 70. 

5 0
3 years ago
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