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aalyn [17]
2 years ago
12

What is a real life word problem for the equation y=2x

Mathematics
1 answer:
lara [203]2 years ago
7 0

Answer:

You want to buy some golden apples. Each golden apple cost $2. How much much does golden apples pass cost?

y = total cost

x = amount of apple

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An increase in walking has been shown to contribute to a healthier life-style. A sedentary American takes an average of 5000 ste
Zielflug [23.3K]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

H0: µ = 5000

For the alternative hypothesis,

H1: µ > 5000

Since the population standard deviation is given, z score would be determined from the normal distribution table. The formula is

z = (x - µ)/(σ/√n)

Where

x = sample mean

µ = population mean

σ = population standard deviation

n = number of samples

From the information given,

µ = 5000

x = 5430

σ = 600

n = 40

z = (5430 - 5000)/(600/√40) = 4.53

Looking at the normal distribution table, the probability corresponding to the z score is < 0.0001

Since alpha, 0.05 > than the p value, then we would reject the null hypothesis. Therefore, at a 5% level of significance, it can be concluded that they walked more than the mean number of 5000 steps per day.

6 0
2 years ago
240 shoppers 20% got a $10 off their first purchase. About how many shoppers received $10 off their first purchase? Use an equiv
Angelina_Jolie [31]
Btw I got this answer from gauth.math answer:

7 0
2 years ago
Solve the following. ( leave the answer in radical form)<br><br> 8x^2 + 5x=-3
e-lub [12.9K]
8x^2+5x=-3
8x^2+5x+3=0

after solving this u will get x= (- 5(⁺ ⁻)√-71)/16
4 0
2 years ago
1
Vikentia [17]

Answer:

Step-by-step explanation:

investment

5 0
3 years ago
Solve the equation.<br><br> 4(x – 6) = 16<br> A. 8<br> B. 10<br> C. –10<br> D. 12
vladimir2022 [97]

Answer:

a.

Step-by-step explanation:

its 8 hope this helps!

8 0
2 years ago
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