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poizon [28]
3 years ago
8

-9y+7=24y-4. Solve for y.

Mathematics
1 answer:
patriot [66]3 years ago
6 0

Answer:

y=1/3

Step-by-step explanation:

-9+7=24y-4

7=33y-4

11=33y

y=1/3

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Is the following relation a function?
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No because every x value has to have only one y value. In the relation, 2 has two y values: 1 and -3.
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3 years ago
he nutrition label for Oriental Spice Sauce states that one package of sauce has 1100 milligrams of sodium. To determine if the
MrRissso [65]

Answer:

The 99% confidence interval for the mean sodium content in Oriental Spice Sauce is between 454.67 milligrams and 1722.61 milligrams

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 40 - 1 = 39

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 39 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.7079

The margin of error is:

M = T*s = 2.7079*234.12 = 633.97

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 1088.64 - 633.97 = 454.67 milligrams

The upper end of the interval is the sample mean added to M. So it is 1088.64 + 633.97 = 1722.61 milligrams

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8 0
3 years ago
Write the sentence as an inequality A number t multiplied by −4 is at least −25
Damm [24]
T x -4 \geq -25
The sign in the middle means "more than or equal to" or "at least"
3 0
3 years ago
Read 2 more answers
Please help will give brainliest.
Viefleur [7K]

Answer:

D

Step-by-step explanation:

a is false since x could be 0.

b is easy to check, just plug numbers in, and we can see that it's false(you would get 0+0=1 and -0-0=-1 once plugged in)

c is also easy to check, just plot the line or simplify the first equation. since (2x+2y)/2=4/2 is also x+y=2, the second equation is also x+y=2, so it must have infinitely many solutions.

d must be true due to process of elimination but let's check to make sure.

7y=14x, divide both sides by 7 to get y=2x and since they're the same equation it must mean that they have infinitly many solutions and we can see that it is correct

4 0
3 years ago
4+ a/5= 8<br> What is the solution to the equation?
den301095 [7]
A= 20 let me know if you need an explanation❤️, mark me branliest pls
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