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Blizzard [7]
2 years ago
6

Can you all please help me with problems 6 through 10? Please don’t use for points I’m extremely stressed and need help

Mathematics
2 answers:
patriot [66]2 years ago
5 0

Answer:

See below.

Step-by-step explanation:

6.) (5)/6 ≤ 1 (Yes)

7.) 1.4(11) > 16

    15.4 > 16 (No)

8.) 11.1 + 9.8 ≥ 21.01

    20.9 ≥ 21.01 (No)

9.) 2.5 < (90)/30

    2.5 < 3 (Yes)

10.) 1/2 > 3(1/6)

      1/2 > 1/2 (No)

11.) 2.16 ≥ 3(0.6) - 0.5

     2.16 ≥ 1.8 - 0.5

     2.16 ≥ 1.3 (Yes)

12.) x < 2 (x is less than 2.)

13.) x ≥ -1 (x is greater than or equal to -1.)

lutik1710 [3]2 years ago
5 0
1.yes
2.no
3.no
4.yes
5.no
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Answer:

A. addition property of equality; division property of equality

Step-by-step explanation:

  • 4\left(x-2\right)=6x+18    [ given ]
  • 4x - 8 = 6x +18       [ distributive property ]
  • -2x - 8 = 18             [ addition property of equality ]
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4 0
2 years ago
Read 2 more answers
The average gasoline price of one of the major oil companies in Europe has been $1.25 per liter. Recently, the company has under
Ann [662]

Answer:

t=\frac{1.20-1.25}{\frac{0.14}{\sqrt{49}}}=-2.50    

Step-by-step explanation:

Data given and notation  

\bar X=1.20 represent the sample mean given

\sigma = 0.14 represent the population standard deviation

n=49 sample size  

\mu_o =1.25 represent the value that we want to test

t would represent the statistic (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the true mean for the gasoline prices is lower than 1.25, the system of hypothesis would be:  

Null hypothesis:\mu \geq 1.25  

Alternative hypothesis:\mu < 1.25  

If we analyze the size for the sample is > 30 but we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:  

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Calculate the statistic

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

t=\frac{1.20-1.25}{\frac{0.14}{\sqrt{49}}}=-2.50    

5 0
3 years ago
Do most students walk, bike, or bus to school?
bonufazy [111]

Answer:

Most students ride the bus since the pie chart section is biggest at the bus section.

23 people walking / 100 people is 23% and 23% of 100 is 23 people.

Step-by-step explanation:

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3 years ago
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bogdanovich [222]
The answer is 2.36 :) :) :) :) :)
4 0
2 years ago
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The half life of radium is 1690 years. if 80 grams are present now, how much will be present in 830 years
Pachacha [2.7K]

Answer:

A(t) = amount remaining in t years

      = A0ekt, where A0 is the initial amount and k is a constant to                     be determined.  

Since A(1690) = (1/2)A0 and A0 = 80,

                we have 40 = 80e1690k

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So, A(t) = 80e-0.0004t

Therefore, A(430) = 80e-0.0004(430)

                           = 80e-0.172

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Step-by-step explanation:

5 0
2 years ago
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