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TEA [102]
3 years ago
7

What is the area of this face? 12 ft 6ft 6 ft 6 ft

Mathematics
1 answer:
Kitty [74]3 years ago
3 0

Answer:

hi

Step-by-step explanation:

the area of the front face by the width. Vc= 20 cm2 x 10 cm. = 200 cm. Area = 20 cm? 2 ft. The volume of soil in the planter is 36 cubic feet. 6 ft. I draw a rectangular prism and I have a prism with the dimensions of 8 in by 12 in by 20 in.

hope this helps

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Answer:

32 mins 50 seconds

Step-by-step explanation:

Total number of hours to read weekly \geq 4

she has read for 45 minutes, so she has 4 hrs - 45 minutes = 3 hrs 15 minutes left

Dividing the time equally = 195 mins / 6

minimum number of minutes to read \geq 32 minutes 50 seconds

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MULTIPLE CHOICE PLEASE HELP ME
Nonamiya [84]

Step-by-step explanation:

vol =πr²h

22/7×8×8×3

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I attached the math problem below and I hope u guys help me. Thxs to who's gonna answer!
vova2212 [387]

Answer:

Numbers | least to greatest | opposites | opposites least to greatest

1/4, -1/2    | -1/2, 1/4                | -1/4, 1/2     | -1/4, 1/2

2, -10        | -10, 2                   | -2, 10         | -2, 10

0, 3 1/2     | 0, 3 1/2                | 0, -3 1/2    | -3 1/2, 0

-5, -5.6     | -5.6, -5                 | 5, 5.6       | 5, 5.6

24 1/2, 24 | 24, 24 1/2            | -24 1/2 -24 | -24 1/2 -24

-99.9, -100 | -100, -99.9         | 99.9, 100 | 99.9, 100

-0.05, -0.5  | -0.5, -0.05         | 0.5, 0.05 | 0.05, 0.5

-0.7, 0       | -0.7, 0                  | 0.7, 0       | 0, 0.7

100.02, 100.04 | 100.02, 100.04 | -100.02, -100.04 | -100.04, -100.02

Hope this helps you!!!!

8 0
2 years ago
How do i calculate the increase in percent after a year?
iren2701 [21]
  1. divide the larger number by the original number .
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5 0
2 years ago
The sales of a grocery store had an average of $8,000 per day. The store introduced several advertising campaigns in order to in
oksano4ka [1.4K]

Answer:

Null hypothesis:\mu \leq 8000  

Alternative hypothesis:\mu > 8000  

z=\frac{8300-8000}{\frac{1200}{\sqrt{64}}}=2  

p_v =P(Z>2)=0.0228  

Step-by-step explanation:

1) Data given and notation  

\bar X=8300 represent the sample mean  

\sigma=1200 represent the population standard deviation  

n=64 sample size  

\mu_o =800 represent the value that we want to test  

\alpha represent the significance level for the hypothesis test.  

z would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

2) State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean is higher than 8000, the system of hypothesis are :  

Null hypothesis:\mu \leq 8000  

Alternative hypothesis:\mu > 8000  

Since we know the population deviation, is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:  

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

3) Calculate the statistic  

We can replace in formula (1) the info given like this:  

z=\frac{8300-8000}{\frac{1200}{\sqrt{64}}}=2  

4) P-value  

Since is a one-side upper test the p value would given by:  

p_v =P(Z>2)=0.0228  

5) Conclusion  

If we compare the p value and the significance level assumed, for example \alpha=0.05 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, so we can conclude that the mean is significantly higher than $8000.  

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3 years ago
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