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photoshop1234 [79]
3 years ago
12

Having trouble with this math problem. I really would like some help

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
5 0
The answer would have to be C because he cannot sell negative hats or infinitely many because he only has 300 to sell in the first place. Answer choice D makes no sense because there is no value of x that is less than zero and greater than 500.
Irina-Kira [14]3 years ago
3 0
Correct option - C

Let's analyse all the options
1. x is greater than or equal to 20.This isn't possible as if x = 20 ,hats would come in negative

2. All real numbers is of course not possible.

3. This makes sense, because the amount will be not in negative and 300 hats has to be sold first.

4.Not possible.As 'x' can't be less than 0 or greater than 500

Hope This Helps You!

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B. 75 inches

Step-by-step explanation:

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Elaine is 8 years younger than her brother Tyler. The sum of their ages is 34. Define a variable and then write and solve an equ
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Answer: Elaine=13 years old Tyler=21 years old

Step-by-step explanation:

Let x = Elaine's age, so her brother Tyler's age = x+8

 Elaine+Tyler=34

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             2x+8=34

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3 years ago
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just olya [345]

Answer:

4.  3 units

5. Triangle  

6.  (0,2)

Step-by-step explanation:

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5. Triangle  will be formed if the points A(-3, 0), B (0,3) and C (3,0) are joined together

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7 0
3 years ago
A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 436.0 gram setting. It
Vilka [71]

Answer:

We conclude that the machine is under filling the bags.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 436.0 gram

Sample mean, \bar{x} = 429.0 grams

Sample size, n = 40

Alpha, α = 0.05

Population standard deviation, σ = 23.0 grams

First, we design the null and the alternate hypothesis

H_{0}: \mu = 436.0\text{ grams}\\H_A: \mu < 436.0\text{ grams}

We use one-tailed(left) z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{429 - 436}{\frac{23}{\sqrt{40}} } = -1.92

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Since,  

z_{stat} < z_{critical}

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that the machine is under filling the bags.

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