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3 years ago

7 yards, 2 feet = ___________ inches

Mathematics

1 answer:

Verdich [7]3 years ago

8 0

1 foot = 12 inches

Multiply to find the amount of inches.

12 * 2 = 24

Therefore, the answer is 24 inches.

Best of Luck!

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Find the value of x. 5^x+1+5^2-x=126<br><br>Step by step explanation

Schach [20]

Step-by-step explanation:

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3 0

2 years ago

Ratios, decimals, simplest form

Aleks04 [339]

101 to 263, 101 / 263,

8 0

3 years ago

What is 4.22 x 10^17 seconds

Allushta [10]

We can rewrite the given time as:

7.03x10^15 mins
1.17x10^14 hours.
4.88x10^12 days.

<h3>What is 4.22x10^17 seconds in minutes and hours?</h3>

First, remember that:

60s = 1 min

Then to write that amount in minutes, we just need to divide by 60, so we get:

(4.22x10^17)/60 mins= 7.03x10^15 mins

Now, remember that:

1 hour = 3600s

Then to get the time in hours, we need to divide by 3600:

(4.22x10^17)/3600 h = 1.17x10^14 hours.

Similarly, you can change to any time unit that you want, for example:

1 day = 24*3600 s

Then the time in days is:

(4.22x10^17)/(24*3600) days = 4.88x10^12 days.

And so on.

If you want to learn more about changes of units:

brainly.com/question/9032119

#SPJ1

8 0

1 year ago

Please help me, ill mark brainliest

madam [21]

Answer: $(6,1.5)$ THE GRAPH IS ATTACHED.

Step-by-step explanation:

The Slope-Intercept form of the equation of a line is:

$y=mx+b$

Where "m" is the slope of the line and "b" is the y-intercept.

In this case, you have the first equation:

$y=-\frac{1}{2}x+4\frac{1}{2}$

You can identify that:

$m=-\frac{1}{2}\\\\b=4\frac{1}{2}$

If you convert the Mixed number to a Decimal number, you get:

$b=4+0.5=4.5$

Then, knowing the slope and the y-intercept, you can graph the line.

The second equation is:

$3x-4y=12$

Solve for "y":

$-4y=-3x+12\\\\y=\frac{3}{4}x-3$

Knowing that:

$m=\frac{3}{4}\\\\b=-3$

You can graph the line.

The point of intersection between both lines, is the solution of the system. This is:

$(6,1.5)$

Observe the graph attached.

4 0

3 years ago

Suppose a production line operates with a mean filling weight of 16 ounces per container. Since over- or under-filling can be da

miss Akunina [59]

Answer:

From the question we are told that

The population mean is $\mu = 16$

The sample size is n = 30

The sample mean is $\= x = 16.32$

The population standard deviation is $\sigma = 0.8$

The level of significance is $\alpha = 0.10$

Step 1: State hypotheses:

The null hypothesis is $H_o : \mu = 16$

The alternative hypothesis is $H_a : \mu \ne 16$

Step 2: State the test statistic. Since we know the population standard deviation and the sample is large our test statistics is

$t = \frac{ \= x -\mu }{ \frac{\sigma}{ \sqrt{n} } }$

=> $t = \frac{ 16.32 -16 }{ \frac{0.8 }{ \sqrt{30} } }$

=> $t =2.191$

Generally the degree of freedom is mathematically represented as

$df = n - 1$

=> $df = 30 - 1$

=> $df =29$

Step 3: State the critical region(s):

From the student t-distribution table the critical value corresponding to $\alpha = 0.10$ is

$t = 1.311$

Generally the critical regions is mathematically represented as

$- 1.311 < T < 1.311$

Step 4: Conduct the experiment/study:

Generally the from the value obtained we see that the t value is outside the critical region so the decision is [Reject the null hypothesis ]

Step 5: Reach conclusions and state in English:

There is sufficient evidence to show that the filling weight has to be adjusted

Step 6: Calculate the p-value associated with this test. How does this the p-value support your conclusions in Step 5?

From the student t-distribution table the probability value to the right corresponding to $t =2.191$ at a degree of freedom of $df =29$ is

$P( t > 2.191) = 0.0183$

Generally the p-value is mathematically represented as

$p-value = 2 * P( t > 2.191 )$

=> $p-value = 2 * 0.0183$

=> $p-value = 0.0366$

Generally looking at the value obtained we see that $p- value < \alpha$ hence

The decision rule is

Reject the null hypothesis

Step-by-step explanation:

4 0

3 years ago