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77julia77 [94]
3 years ago
15

Pls help me due soon!!!

Mathematics
1 answer:
xeze [42]3 years ago
5 0

Answer:linear

Step-by-step explanation:cuz why not -________-

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An article reports the following data on yield (y), mean temperature over the period between date of coming into hops and date o
enot [183]

Answer:

y = 415.113 -6.593 x_1 -4.504 x_2

Step-by-step explanation:

Given

x_1: 16.7\ 17.4\ 18.4\ 16.8\ 18.9\ 17.1\ 17.3\ 18.2\ 21.3\ 21.2\ 20.7\ 18.5

x_2: 30\ 42\ 47\ 47\ 43\ 41\ 48\ 44\ 43\ 50\ 56\ 60

y: 210\ 110\ 103\ 103\ 91\ 76\ 73\ 70\ 68\ 53\ 45\ 31

Required

Use R code to determine the regression equation

y = b_o + b_1x_1 + b_2x_2

First, write the following code in a R program

x1

x2

y

mod~x1+x2)\\

summary(mod)

Next, run the program

See attachment for program and output

From the output, go to coefficients:

Check Estimate Std. column, you have the following:

(Intercept) = 415.113

x_1 = -6.593

x_2 = -4.504

y = b_o + b_1x_1 + b_2x_2 implies that:

b_o \to Intercept

b_1 \to x_1

b_2 \to x_2

Hence, the least square regression equation is:

y = 415.113 -6.593 x_1 -4.504 x_2

8 0
3 years ago
A farmer had 200 rows oh his field, He plowed 1/4 of them. How many rows did he plow? (Write the explanation and answer)
hjlf

Answer:

He plowed 50 rows.

Step-by-step explanation:

Use proportions

1/4 = x/200

then cross multiply to find x.

4x=200  

Divide both sides by 4

x= 50

He plowed 50 rows.

3 0
3 years ago
Read 2 more answers
What is Y=2(3x+6)(5x-4)
Sliva [168]

Answer:

y=30x^2+36x+48 OR f(x)=30x^2+36x+48

This is an exponential function/exponential graph. Hope I helped!

Step-by-step explanation:

Given: y=2(3x+6)(5x-4)

Use the distributive property!: y=(6x+12)(5x-4)

Use the distributive property!: y=(5x(6x+12)-4(6x+12))

Use the distributive property!: y=(30x^2+60x)-(24x+48)

Remove parenthesis: y=30x^2+60x-24x+48y=30x^2+36x+48 OR f(x)=30x^2+36x+48

This is an exponential function/exponential graph. Hope I helped!

8 0
4 years ago
What is the slope-intercept equation of the line below?
olga2289 [7]

Answer:

The answer is C. y= 4/5x -2

Step-by-step explanation:

y=mx+b

m is the slope or rise/run.

b is the y-intercept. You have to see where the line crosses at the y-axis.

5 0
3 years ago
Evaluate C(9, 3). a)504 b)84 c)60480 d)5040
melomori [17]

Answer:

b

Step-by-step explanation:

Evaluate using the definition

nC_{r} = \frac{n!}{r!(n-r)!}

where n ! = n(n - 1)(n - 2)(n - 3)..... × 3 × 2 × 1

Given

9C_{3}

= \frac{9!}{3!(9-3)!}

= \frac{9.8.7.6.5.4.3.2.2.1}{3!.6!}

= \frac{9.8.7.6.5.4.3.2.1}{3.2.1(6.5.4.3.2.1)}

Cancel 6.5.4.3.2.1 on numerator and denominator, leaving

= \frac{9.8.7}{3.2.1}

= \frac{504}{6}

= 84 → b

3 0
3 years ago
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