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pishuonlain [190]
3 years ago
12

If A = 2/3,B =0.4,C = - 2 1/5, D= 4 1/2 how far is 0 from C

Mathematics
1 answer:
tekilochka [14]3 years ago
3 0

Answer:

2.2 or 2 1/5

Step-by-step explanation:

Absolute value

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A Child’s Growth and Prosperity
MArishka [77]

Answer:

a) 0.75 inch/month

b) y-20 = 0.75(x-4)

c) 17 inches

d) 44

a) 0.8 inch/month

b) yes

c) y = 0.8x + 18.8

d) 18.8 inches

Step-by-step explanation:

a) (21.5-20)/(6-4) = 1.5/2

= 0.75 inch/month

If this is correct, 2 months after the 6th month (month 8), it should be

21.5 + 2(0.75) = 23

Which it is

b) y-y1 = m(x-x1)

Where y is the length, x is the months, m is the slope and (x1,y1) is a known point

At x = 4, y = 20

y-20 = 0.75(x-4)

Or

y = 0.75x + c

20 = 0.75(4) + c

c = 20 - 3 = 17

y = 0.75x + 17

c) at birth, 4 months before month 4

So, 20 - 0.75(4) = 17

Which is also the y-intercept

d) y = 0.75(36) + 17

y = 27 + 4 = 44 inches

Generally, at the age of 3 years (36 month) the length is between 35 and 40 inches

a) slope = (30-22)/(14-4)

= 0.8 inch/month

b) 0.8 > 0.75, so yes

c) When x = 4, y = 22

y-22 = 0.8(x - 4)

y - 22 = 0.8x - 3.2

y = 0.8x + 18.8

y-intercept is 18.8

d) at birth, x = 0.

Length was 18.8 inches

Step-by-step explanation:

6 0
2 years ago
For the expression y + 6 − 3, determine the coefficient for the variable term.
Vaselesa [24]
The coefficient is the number in front of the variable. If there isn't a number, it is understood to be a 1
6 0
3 years ago
2x-2<-12or2x+3>7 what is the solution to this compound inequality
cluponka [151]

2x-2 < -12\qquad|+2\\\\2x < -10\qquad|:2\\\\x < -5

-----------------------------------------------------------------------------------------------

2x+3 > 7\qquad|-3\\\\2x > 4\qquad|:2\\\\x > 2


Answer:\ x < -5\ or\ x > 2

8 0
3 years ago
Insert parentheses in expression 2 so that it has a value of 4. Then show why your expression has a value of 4.
Natasha_Volkova [10]
(2^3 +4) = 12

9-6=3

(2^3 +4) /(9-6)
12 /3
4
8 0
3 years ago
If f(x)=x and g(x) =2, what is (f•g)(x)
slavikrds [6]
The answer is c. You distribute the X to the F and G. f(x) + g(x), which is x + 2.
7 0
2 years ago
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