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Vika [28.1K]
2 years ago
10

To investigate the relationship between yield of potatoes and level of fertilizer application, a researcher divides a field into

eight plots of equal size and applies differing amounts of fertilizer to each. The yield of potatoes in pounds and the amount of fertilizer in pounds are recorded for each plot. The data are as follows:
Fertilizer (pounds), x Yield (pounds), y
1 25
1.5 31
2 27
2.5 28
3 36
3.5 35
4 32
4.5 34
Find the prediction equation for the regression of yield on fertilizer. Round values to four decimal places.
a. ˆy=24.4524+2.3810x
b. ˆy=27.6073+1.3872x
c. ˆy=22.1023+2.9840x
d. ˆy=25.1523+2.1511x
Mathematics
1 answer:
Ber [7]2 years ago
6 0
So what does it want you to what’s the equation
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Margaret has 16 yards of fabric and she is making dresses for z doll write the expression for the length of fabric used for each
emmasim [6.3K]
<h3>The expression for the length of fabric used for each doll is \frac{16}{z}\ yards</h3>

<em><u>Solution:</u></em>

Given that,

Margaret has 16 yards of fabric

she is making dresses for z doll

Therefore,

Total length of fabric = 16 yards

Number of dresses = z dolls

Therefore,

\text{ length of fabric used for each doll } = \frac{ \text{ Total length of fabric }} {\text{ z dolls }}\\\\\text{ length of fabric used for each doll } = \frac{16}{z}\ yards

Thus, the expression for the length of fabric used for each doll is \frac{16}{z}\ yards

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Decrease 620 by 10%
julia-pushkina [17]

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Step-by-step explanation:

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3 years ago
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ivanzaharov [21]

Hey there

the answer is

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5 0
3 years ago
Make x the subject of:<br> 2x + a = b (x - 2)
nlexa [21]

Answer:

no solution

Step-by-step explanation:

7 0
3 years ago
Help<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%5B3%5D%7B175%7D%20%7D%7B%5Csqrt%5B3%5D%7B50%7D%20%7D" id="TexFormula1" t
hjlf

Answer:

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then divided your answers

Step-by-step explanation:

I hope this helped a little

7 0
3 years ago
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