3 years ago

PLEASE!!!!! I NEED THE ANSWER FOR THIS RIGHT AWAY PLEASE!!!!!

Mathematics

1 answer:

baherus [9]3 years ago

7 0

Its 6 people over 3 3.25x6=19.5=19.50

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1/4 plus 4/5(3/4x - 1 1/9)

ANTONII [103]

Answer:

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3 years ago

9x+18+3x=1

Katen [24]

The error is in the second step they subtracted 3 from both sides but it was a 3x, which you can not do.
Correction.
9x+18+3x=1
12x+18=1
12x=-17
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trapecia [35]

The answer is 5/3 can I have the some points

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3 years ago

Holly says 4.131131113... is a rational number. Which of the following best describes whether Holly is correct and why?? a.Holly

Leni [432]

Answer:

A. Holly is correct. Repeating decimals are always rational numbers.

Step-by-step explanation:

Rational number is the subset of:

Whole number (Positive integer + 0)
Natural number
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7 0

3 years ago

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This list shows concentrations of carbon dioxide (in parts per million) in the Earth's atmosphere for the years 1950, 1955, 1960

Marat540 [252]

Answer:

Choice B

The mathematical model that best fits the data is a polynomial of order 2 as shown on the attachment.

The predicted global mean temperature in 2015 is; 412.24

Step-by-step explanation:

The first step is to obtain a scatter plot of the data and then fit a trend line. A quadratic polynomial fits the data well considering the large value of the coefficient of determination of 0.9984.

To determine the global mean temperature in 2015 we substitute x with 14 in the quadratic model;

y = 0.4643(14)^2 + 0.7976 (14) + 310.07

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3 years ago