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zimovet [89]
3 years ago
11

Please help me simplify this rational expression

Mathematics
1 answer:
lara [203]3 years ago
4 0
I am all yours, just reply with the expression.
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Find the median of the list 12,18,21,25,30,43
BlackZzzverrR [31]
The median is 21 and 23
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3 years ago
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A line is parallel to y = x - 8 and
Bad White [126]

Answer:

y=x-13

Step-by-step explanation:

hope that helped. have a good day.

5 0
3 years ago
Jackson is two times older than Shelly. If the sum of their ages is 18, how old is Jackson?
salantis [7]
Answer: jackson is 12

explanation:
let the age be represented by x
jackson is 2 times older than shelly so
2x is jackson’s age and x is shelly’s age

since the sum of their ages is 18 then:
2x + x = 18

solve:
3x = 18 ➔ divide by 3 on both sides
x = 6

so now we know shelly is 6

jackson is 2 times older than her so:
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6 0
2 years ago
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1+16=14+2 is this true or false
il63 [147K]

Answer:

False

Step-by-step explanation:

1+16=17

14+2=16

17 does not = 16

7 0
3 years ago
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You know that there is a strong correlation between the consumption of ice cream and body weight. The Pearson's r = 0.78. You al
Naddika [18.5K]

Answer:

y = 7.8x + 26

Step-by-step explanation:

Given the following :

Pearson's r = 0.78

Average consumption of ice cream = 5 grams per week (m) with Standard deviation (sd) = 1.5 grams

Average weight = 65 kg with standard deviation of 15kg

Formular for the regression line :

General regression formula :

y = mx + c

y = predicted variable ; m = slope or gradient ; x = predictor variable ; c = intercept

Gradient (m) = change in y / change in x

m = (sd y / sd x) * r

m = (sd weight / sd ice cream) × r

m = (15 / 1.5) × r

m = 10 × 0.78 = 7.8

Intercept:

mean of weight(y) - [Slope×mean of icecream(x)]

65 - [7.8 × 5]

65 - 39 = 26

Hence,

y = 7.8x + 26

5 0
3 years ago
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