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Alisiya [41]
4 years ago
6

4.) f(x) = 2x? – x+3 a.) opens up or down b.) min or max

Mathematics
1 answer:
ioda4 years ago
5 0

Answer:

A

Step-by-step explanation:

There answer

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5. Alex bought two hots dogs, fries, and a water at the food truck. The hot dogs were
Citrus2011 [14]

Answer:

2.60

Step-by-step explanation:

4.70 hotdogs

fries 1.25

water 2.60= 8.55-10=1.45

4 0
3 years ago
In Stephen King’s short story collection “Skeleton Crew” there is a story called “The Raft”. In this story, four college friends
USPshnik [31]

Answer:

A) r=2t

B) 4\pit²

C) 4\pi(30)² which will end up being 11310 in²

Step-by-step explanation:

A) If it increases 2 inches every minute, you would take that and put it with the t, aka time.

B) A=\pir² which will translate into A=\pi(2)²

C) You take the half-hour, which is 30 minutes, and translate that into t then place that into your calculator and get an answer of 11,309.73 and then round up to the whole number

7 0
3 years ago
A scientist has a sample of the radioactive isotope bismuth-212. The isotope decays exponentially as shown in the table. Time (s
luda_lava [24]

Answer:

f(x) = 30 • 0.989x

Step-by-step explanation:

Given the data :

10 26.8

20 23.9

30 21.3

40 19

50 16.9

60 15.1

Using technology, the exponential model equation obtained by plotting the data is :

y = 30.068(0.989)^x

Based on the general exponential formula :

y = ab^x

y = predicted value

Initial value, a = 30.068

Rate = b = 0.989

The most appropriate model equation from the options given is :

f(x) = 30 • 0.989^x

7 0
3 years ago
50 pts. Find the area of the shape shown below. (image included)
Ulleksa [173]

Answer:

28

Step-by-step explanation:

First multiply 8 by 4 to get 32. Now there is a small triangle in the bottom. Multiply 4 by 2 to get 8. Then divide 8 by 2 to get 4, the area of the triangle. Now lastly 32-4 to get 28 square units, the area.

8 0
3 years ago
Read 2 more answers
Hey I know this is kind of a lot but can someone pls help.
Debora [2.8K]

Answer:

J) x = 6; slope is undefined

Step-by-step explanation:

Choice F is incorrect because the equation and slope. Choice G is incorrect because the slope. And, Choice H is incorrect because the equation and the slope.

7 0
3 years ago
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