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Murrr4er [49]
3 years ago
14

The shift supervisor of a pizza parlor claimed that the population mean total time to deliver a pizza is exactly 45 minutes. Pai

ge, the owner, would like to find evidence that the population mean total time to deliver a pizza is less than 45 minutes so she records the total delivery time of 71 randomly selected deliveries and she finds that the sample mean is 44.06 minutes with a sample standard deviation of 3.46 minutes. The test statistic t for a hypothesis test of H0:μ=45 versus Ha:μ<45 is t≈−2.29. If 0.01
Mathematics
1 answer:
mezya [45]3 years ago
6 0

Answer: idk......☹️

Step-by-step explanation:

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the pta is ordering pizza for their next meeting. they plan to order 2 cheese pizzas for every 3 pepperoni pizzas they order. ho
vova2212 [387]
10 cheese pizzas

use  simple ratio, 3:2 (3 pepperoni for every 2 cheese)
to make the ratio bigger, we substitute the "3" pepperoni for "15" pepperoni. then take the new amount, 15/3 original, you get 5. then multiply the 2 original cheese pizzas by that 5, and you get 10 cheese pizza's. 

hope that helps

5 0
3 years ago
A submarine dives below the surface, heading downward in nine moves. If each move downward was 180
Maslowich
The submarine would be 1,620 ft if i’m understanding the question correctly
4 0
3 years ago
Which property of equality would be used to solve the equation 59 = x-26?
adell [148]

Answer:

addition property of equality

Step-by-step explanation:

59 = x-26

We add 26 to both sides using the addition property of equality

5 0
3 years ago
Read 2 more answers
#1. Which of the following is a rational number?
Sladkaya [172]
#1: b. 100 square root is 10. 10 x 10 = 100. 100 = rational number, Others include a series of numbers that cannot be written down.
#2 -7.8 With the line on top. THe line on the 8 means that it continues for ever.
Only other one is d.
4 0
3 years ago
Solve<br> 72 + 4 - 4x = 36
Pachacha [2.7K]

Answer:

x=10

Step-by-step explanation:

We first need to combine like terms

76-4x=36 We will then use inverse operations to find x

-4x=-40 Continue using inverse operations

x=10

7 0
3 years ago
Read 2 more answers
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