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kkurt [141]
3 years ago
15

Please help ASAP please please

Mathematics
2 answers:
OLEGan [10]3 years ago
8 0

Answer:

C

Step-by-step explanation:

0.38 = 19/50

Hope this helps!

crimeas [40]3 years ago
5 0

Answer:

19/50

Step-by-step explanation:

19×100=1,900

1,900÷50=38%

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Method of Least Squares, Evaluation of Cost Equation Lassiter Company used the method of least squares to develop a cost equatio
maksim [4K]

Solution :

1). The cost of the formula is given as :

   $ 19,350 + $12 x

2). 95% \text{confidence interval} for the prediction is :

    $21430 - 1.96 \times 220 < \text{Yf} < 21430+1.96 \times 220$

     $20998.8 < \text{Yf} < 21861.2$

     $20999 < \text{Yf} < 21861$    (rounding off)

3). r = 0.92

Therefore, $r^2 = 0.8464$

That is 84.64 % of the variability in the moving cost is best explained by the number of moves.

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3 years ago
A cylindrical water tank has a diameter of 4 m and a height of 3 m, while a water tank shaped like a rectangular prism has a len
katrin2010 [14]
The 1st one can vary more by 12 cubic meters
7 0
2 years ago
The decay of 942 mg of an isotope is described by the function A(t)= 942e-0.012t, where t is time in years. Find the amount left
Katarina [22]
\bf A(t)=942e^{-0.012t}\qquad \boxed{\stackrel{\textit{after 71 years}}{t=71}}\qquad \qquad A(t)=942e^{-0.012(71)}&#10;\\\\\\&#10;A(t)\approx 401.82042087707606813879
4 0
3 years ago
Read 2 more answers
M=F+Frt<br><br> solve for t...
Aliun [14]

Answer:

m=f+Frt

M=f(1+rt)

M\1+rt=F

4 0
2 years ago
Can someone please help??
Vsevolod [243]

Answer:

let the number of cows = x

let the number of chickens = y

since there are 42 heads:

x + y = 42

and since a cow has 4 legs, and a chicken has 2

4x + 2y = 144

from first equation:

x + y  = 42

x = 42 - y (now, we will substitute this in the second equation)

4(42 - y) + 2y = 144

168 - 4y + 2y  = 144

2y = 168 - 144

2y = 24

y = 12

now, we know the number of chickens. we will replace y with 12 in the first equation since it is more simpler

x + 12 = 42

x = 30

So, there are 30 cows and 12 chickens

Brainly it if you find the answer helpful

5 0
2 years ago
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