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Maurinko [17]
2 years ago
11

Pls help my cousin I am too lazy to hep her PLSSSSS!!

Mathematics
2 answers:
Temka [501]2 years ago
5 0

Answer:

75/19 <-- exact form 3.94736842... <---decimal form 3 18/19 <--- mixed number form explanation: I used a site to solve it so i don't get it wrong, I am not entirely sure this is right either but I think so

Likurg_2 [28]2 years ago
4 0
I believe the answer is 3.94 but I’m not sure
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The gravitational strength on Earth is less than the gravitational strength on Neptune. Which statement is correct?
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The mass of an object will never change no matter what, however, the weight relies on gravity. So therefore, the answer would be D.
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The proper way to write a single digit whole number in a sentence is:
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Which expression can you simplify by combining like terms? 6d2+5cd?3dc+8 12c2?8d2c+3dc+4 7d2?3c2+6d?c 16c2+8cd+7c?8d
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3 years ago
Please answer this really fast.
dolphi86 [110]

Answer:

abc = - 126

Step-by-step explanation:

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= 6x² + 7x - 3 ← in standard form

with a = 6, b = 7, c = - 3

Then

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4 0
2 years ago
Read 2 more answers
4-13 Students in a management science class have just re- ceived their grades on the first test. The instructor has provided inf
inessss [21]

Answer:

a) y = 0.74x + 18.99; b) 80; c) r = 0.92, r² = 0.85; r² tells us that 85% of the variance in the dependent variable, the final average, is predictable from the independent variable, the first test score.

Step-by-step explanation:

For part a,

We first plot the data using a graphing calculator.  We then run a linear regression on the data.

In the form y = ax + b, we get an a value that rounds to 0.74 and a b value that rounds to 18.99.  This gives us the equation

y = 0.74x + 18.99.

For part b,

To find the final average of a student who made an 83 on the first test, we substitute 83 in place of x in our regression equation:

y = 0.74(83) + 18.99

y = 61.42 + 18.99 = 80.41

Rounded to the nearest percent, this is 80.

For part c,

The value of r is 0.92.  This tells us that the line is a 92% fit for the data.

The value of r² is 0.85.  This is the coefficient of determination; it tells us how much of the dependent variable can be predicted from the independent variable.

3 0
3 years ago
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