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OLga [1]
3 years ago
8

Which equation is the inverse of y = 100 – x2? y = plus-or-minus StartRoot 100 minus x EndRoot y = 10 plus-or-minus StartRoot x

EndRoot y = 100 plus-or-minus StartRoot x EndRoot y = plus-or-minus StartRoot x minus 100 EndRoot
Mathematics
2 answers:
Sindrei [870]3 years ago
7 0

Answer:

y=plus-or-minus sqr root of 100-x

Step-by-step explanation:

Nadusha1986 [10]3 years ago
5 0

Answer:

A

Step-by-step explanation:

its A for edginuity

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A 2012 Gallup poll surveyed Americans about their employment status and whether or not they have diabetes. The survey results in
posledela

A) See picture for the table.

To make the table, multiply 47774 by 1.5% to get total that have diabetes and multiply 5855 by 2.5% to get total unemployed that have it, then using subtraction fill in the other squares of the table.

B)

Hypothesis:

H0: No association between employment and diabetes.

H1: Association between the two

Using a graphing calculator or Excel, run a chi-test.

Chi squared equals 31.844 with 1 degrees of freedom.

 The two-tailed P value is less than 0.0001

With this information we can reject the null hypothesis and conclude there is an association between diabetes and employment.

C)

Although there is a statistical significance, there really is no practical significance between an incidence rate of 1.5 or 2.5%

3 0
3 years ago
What is the solution to the system of equations -8x + 4y = -2, 2y = 1​
Black_prince [1.1K]

Answer:

Hi! The correct answer is x=1/4+y/2!

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation

5 0
3 years ago
(03.01 LC)
Lynna [10]
Answer: root of 18
9+9=x^2
18=x^2
x = 3 root of 2 or root of 18
5 0
3 years ago
A salesman earns a Commission of $630 for selling $3050 in merchandise
agasfer [191]

Answer:

ok so lets find what percentage 630 is of 3050

630/3050=0.20655737704

so about 20.7%

Hope This Helps!!!

7 0
2 years ago
Maddie has $50 she worked for five days and now she has 270 what integer represents the average increase in value per day
OlgaM077 [116]

Answer:

44 dollars

Step-by-step explanation:

If you subtract 50 from 270 you get 220. Then you would divide 220 by 5 and get 44 dollars per day.

5 0
3 years ago
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