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Romashka-Z-Leto [24]
3 years ago
11

Please help with #19!

Mathematics
1 answer:
ikadub [295]3 years ago
8 0

Answer:

a) yes

b) 2560

Step-by-step explanation:

An exponential function has a common ratio between points uniformly spaced. Here, the data points are 10 years apart.

The ratio of the first two values is 4000/5000 = 0.8.

The ratio of the next two values is 3200/4000 = 0.8.

These ratios are the same, so the data is consistent with an exponential function.

The common ratio can be used to predict the next value. The next value is predicted to be ...

  3200 × 0.8 = 2560

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Anybody got any answers?
musickatia [10]
Hey there!

So, what you would do is . . . 

360÷4 . . .

90÷8=11.5

Area=\boxed{\boxed{11.5}}

Hope this helps.
~Jurgen

4 0
3 years ago
. Multiply (3x+2)(4x-7)
aleksklad [387]

Answer:

12x^{2}  + 29x - 14

Step-by-step explanation:

(3x+2)(4x-7)

Multiply out 3x first then 2

(3x * 4x) - (3x * -7) + (2 * 4x) + (2 * -7)

12x^{2} - (- 21x) + 8x + ( -14)

12x^{2} + 21x + 8x - 14    Combine like terms

12x^{2}  + 29x - 14

4 0
3 years ago
Read 2 more answers
A bumper sticker has an area of five 24 ft.² which model correct present the area of the bumper sticker
Elodia [21]
A picture types of the models would be helpful.. but they could be found in a rectangular shape or square such as width=2 and length =12 vise versa or w=4 and length = 6 , etc etc
6 0
3 years ago
If f(x) = x2 – 3x – 40 intersects the x-axis at points A and B, what is the sum of A and B?
Eduardwww [97]

Answer:

3

Step-by-step explanation:

Intersections on the x axis occur when y = 0. f(x) is another term for y, so set f(x) equal to zero and solve for the two possible x's.

0 = x^2 - 3x - 40

0 = (x-8)(x+5)

By solving for x, you get 8 and -5. 8 and -5 added together will equal 3.  

4 0
3 years ago
Shawn sells 36 vehicles in 4 weeks. Brett sells 56 vehicles in 7 weeks .who seeks more vehicles per week
myrzilka [38]

Answer:

Shawn

Step-by-step explanation:

We can find the amount of vehicles sold in one week by dividing the total vehicles sold by the number of weeks

Shawn:

36 vehicles / 4 weeks

9 vehicles/week

Brett:

56 vehicles / 7 weeks

8 vehicles/week

9 is greater than 8 so Shawn sells more vehicles per week

4 0
3 years ago
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