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Leya [2.2K]
2 years ago
6

What the range of u(x)= -2x squr + 3

Mathematics
1 answer:
Zinaida [17]2 years ago
7 0

Answer:

(-infinity, infinity)

Step-by-step explanation:

sqrt(x + 3) {or just sqrt(x)} has the range [0, infinity).

-2 has the range (-infinity, 0]

Thus the range of u(x) is (-infinity, infinity)

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Melanie has a bag that contains orange chews, cherry chews, and peach chews. She performs an experiment. Melanie randomly remove
adoni [48]

Answer:

0.30

Step-by-step explanation:

Given that:

Total number of trials = 61

Number of orange chews = 38

Number of cherry chews = 5

Number of peach chews = 18

Probability that next chew removed will be a peach chew ;

This is an experimental probability problem ;

Using the relation :

Experimental probability of A;

Number of successes (A) / total number of trials

Hence, Probability that next chew removed will be a peach chew ;

Experimental probability of peach chew :

Number of trails = 61 ; number of successes (peach chew) = 18

P(peach chew) = 18 / 61

P( peach chew) = 0.2950819

= 0.30 ( nearest hundredth)

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2 years ago
Verizon is implementing a new program based on the number of connected devices in each household. Currently, customers are charg
Amanda [17]

Answer:

d

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it goes with the correct statements in the sentences it is the right symbol and has the variable for the unknown amount of devices

3 0
3 years ago
Please answer thanks!
Drupady [299]
If you divide 13 by 3 you get 4 1/3 then you subtract 25 by 4 1/3 to get 20 2/3 so the answer is B
5 0
3 years ago
Sara works 40 hours per week and earns $660. Which graph shows the unit rate for this situation?
coldgirl [10]

Answer: $16.5/hour

Step-by-step explanation:

The unit rate is the relationship between y and x if x = 1

660/40 = 16.5

That means, if x = 1, y = 16.5

Therefore, <u>$16.5/hour</u>

<u></u>

3 0
2 years ago
Which is the solution to the inequality 1/4+x&lt;5/8
Masteriza [31]

Answer:

x<3/8

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Step-by-step explanation:

Step 1: Simplify both sides of the inequality.

x+1/4<5/8

Step 2: Subtract 1/4 from both sides.

x +  1/4 - 1/4 < 5/8 - 1/4

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7 0
3 years ago
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