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Norma-Jean [14]
3 years ago
10

Help please!!!!!!!!!!

Mathematics
1 answer:
Lelechka [254]3 years ago
3 0

Answer:

I think it's 96 not sure though

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Olin [163]

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b.

Have a Good Day :D

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4 years ago
Think about the ratio of circles and stars . Of the 8 circles,how many stars would there be?
nasty-shy [4]

Answer:

12

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There are 4 circles, 6 stars. The ratio is 4/6 = 2/3

if there is 8 circles in order to get the same ratio 8/x = 2/3 => x = 12

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3 years ago
Help please with this math
inessss [21]

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7*5 + -29

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She makes 7 payments of 5 to the store

7*5

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7*5 + -29

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3 0
4 years ago
Read 2 more answers
With Obesity on the rise, a Doctor wants to see if there is a linear relationship between the Age and Weight and estimating a pe
Romashka [77]

Answer:

112.569 ( D )

Step-by-step explanation:

Applying the estimated Regression Equation

y = b1X1 + b2X2 + a

b1 = ((SPX1Y)*(SSX2)-(SPX1X2)*(SPX2Y)) / ((SSX1)*(SSX2)-(SPX1X2)*(SPX1X2)) = 596494.5/635355.88 = 0.93884

b2 = ((SPX2Y)*(SSX1)-(SPX1X2)*(SPX1Y)) / ((SSX1)*(SSX2)-(SPX1X2)*(SPX1X2)) = 196481.5/635355.88 = 0.30925

a = MY - b1MX1 - b2MX2 = 149.25 - (0.94*61.31) - (0.31*193.88) = 31.73252

y = 0.939X1 + 0.309X2 + 31.733

For x1 ( age ) =39, and  x2(weight) =143

y = (0.93884*39) + (0.30925*143) + 31.73252= 112.569

where

Sum of X1 = 981

Sum of X2 = 3102

Sum of Y = 2388

Mean X1 = 61.3125

Mean X2 = 193.875

Mean Y = 149.25

attached is the Tabular calculation of the required values needed for estimated regression equation

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3 years ago
5 students want ice cream, 7 want a movie, 10 want a custom, and the rest are undecided. If 20% want ice cream how many students
Nataly [62]
There are 25 in the class
8 0
3 years ago
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