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Gnom [1K]
2 years ago
13

Market researchers were interested in the relationship between the number of pieces in a building-brick set and the cost of the

set. The researchers collected information from a survey and used it to obtain the regression equation y = 0.08x + 1.20, where x represents the number of pieces in a set and y is the predicted price (in dollars) of the set. What is the predicted price of a set that has 2,520 pieces?
A. $202.80
B. $2,017.20
C. $3,024.08
D. $31,485
Mathematics
1 answer:
sertanlavr [38]2 years ago
6 0

The answer would be D.

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Calculs from the north you walk 1 mile and a temperature was 5 degrees from the west you walk 1 mile and the temperature change
MakcuM [25]

Answer: 6.4 degrees

Step-by-step explanation:

a= 5 degrees temperature difference to the north gives the opposite of the triangle,

b = 4 degrees temperature difference to the west gives the adjacent,

c = temperature difference of 1 mile to the south east gives the hypotenuse.

Therefore,

Using Pythagoras equation,

c² = b² + a²

c = sqrt( 5² + 4²)

c = sqrt(41) = 6.4 degrees

Therefore, there will be 6.4 degrees temperature difference 1 mile to the south east

4 0
3 years ago
Sam is 12. In four years, his age will be 2/3 the age of his cousin Lupe. How old will Lupe be in two years?
Sliva [168]

Answer:

8

Step-by-step explanation:

3 0
3 years ago
How do I solve this?
Alecsey [184]
You have to find LCD (lowest common denominator) in this case it will be 5x:

\frac{u}{x}+\frac{5u}{x}- \frac{u}{5x}=\frac{5*u}{5x}+\frac{5*5u}{5*x}- \frac{u}{5x}=\frac{5u+25u-u}{5x}=\frac{29u}{5x}

Answer: C
3 0
4 years ago
Plz help :(((((( i need help
In-s [12.5K]

Answer:

6 i think i mean i am tring too do my chalinges

Step-by-step explanation:

6 0
2 years ago
PLEASE HELPPPP!!!!!!<br><br> 30 points+Brainliest<br><br> MUCH HELP NEEDED ASAP
tia_tia [17]
(x*2 + 11x)+ 24
half of 11 is 5.5*2
(x*2+ 11x + 30.25 ) + 24 -30.25
(x*2 + 11x) -6.25
so

Vertex (11,-6.25)


3 0
3 years ago
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