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oksian1 [2.3K]
2 years ago
7

Consider the following system of equations

Mathematics
1 answer:
Vera_Pavlovna [14]2 years ago
3 0
Hsisvskevwovewhsjsbaoaa
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4.2(5.1x+6.8) Simplify the expression
vovikov84 [41]

Answer:

21.42x+28.56

Step-by-step explanation:

Expand: 4.2×5.1×x+4.2×6.8

4.2×5.1×x  to (21.42)x

Simplify: 21.42x+4.2×6.8

4.2×6.8 = 28.5628.56

21.42x+28.56

6 0
2 years ago
Use the given data to find the best predicted value of the response variable x. Ten pairs of data yield r=0.003 and the regressi
Angelina_Jolie [31]

Answer:

Step-by-step explanation:

Given the regression equation :

y=2+3x

Mean of y values ; y = 5.0

Where y is the predicted variable ; x = predictor variable

The predicted value of y for X = 2

Null: H0 = 5

Alternative H1 : ≠ 5

Sample size (n) = 10 pairs

Degree of freedom = n - 2 = 10 - 2 = 8

7 0
3 years ago
H(x)=-x^2-4 and I(x)=2x+3<br> H(I(s))
ICE Princess25 [194]
Easy peasy
just subsitute I(x) for the x in the h(x) so
h(I(s))=-(2s+3)^2-4
distribute and simplify
h(I(s))=-(4s^2+12s+9)-4
h(I(s))=-4s^2-12s-9-4
h(I(s))=-4s^2-12s-13

3 0
3 years ago
Write 4 hundred 16 tens 5 ones in standard form
In-s [12.5K]
565 is the correct answer
6 0
3 years ago
Read 2 more answers
Hellllllp see the pictures
kupik [55]
A. All remaining numbers are in Q because it goes "even" left, and "odd" right.

B. Probability of it not being in Q is 1/2 
3 0
3 years ago
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