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mel-nik [20]
3 years ago
14

4x^2-12x-1=0 in quadratic form

Mathematics
1 answer:
Tom [10]3 years ago
8 0

Answer:

Step-by-step explanation:

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PLEASE HELP URGENT!!! 30 POINTS TO WHOEVER ANSWERS BOTH QUESTIONS!!
Alex Ar [27]
This isn’t 30 points this is 15
3 0
3 years ago
Heights​ (cm) and weights​ (kg) are measured for 100 randomly selected adult​ males, and range from heights of 138 to 190 cm and
mart [117]

Answer:

Best predicted value of y' = 86.16 kg

Step-by-step explanation:

Given,

n = 100

Range of heights = 138 - 190cm

Range of weight = 39 to 150 kg

x' =167.46 cm

y' = 81.44 kg

r = 0.108

p value = 0.285

y = - 105 + 1.08x

Significance level = 0.05

We reject H0 since pvalue, 0.285 is less than significance level of 0.05.

Therefore,

Given height of adult male, x = 177 cm

y = - 105 + 1.08x

The best predicted value of y' =

y' = - 105 + 1.08(177)

y' = 86.16 kg

The best predicted value of y' is 86.16kg

6 0
3 years ago
A downtown parking lot charges $5 per hour
Tom [10]
Parking charges for first 2hours =$5 per hour after 2 hours parking charges = $2.50per hour
7 0
2 years ago
Read 2 more answers
(06.07A MC)
Maurinko [17]
25. You have to do 65x65-(60x60) and the square root it
6 0
3 years ago
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Please help, I need it soon.
nadya68 [22]
Answer is : 8v^3+ 14v^2+11v+3
For cubic feet

Solution

Formula : volume base area x height

So base area = 4v^2 +5v+3
Height = 2v+1


So multiply

Volume =(4v^2+5v+3) x(2v+ 1)

The rest is below



7 0
2 years ago
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