3 years ago

(x) = 1/(x + 4)² + 2?

Mathematics

2 answers:

just olya [345]3 years ago

4 0

Answer: 26x

Step-by-step explanation:the answer is 26x

maxonik [38]3 years ago

4 0

Answer:27

Step-by-step explanation:

X=1 (1+4) 5 squared is 25 then plus 2 is 27

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3 years ago

What is the value of x 2x+3y=45 x+y=10

Volgvan

Assuming this is a system of equations, here is how to find x.

2x + 3y = 45
x + y = 10

Multiply x + y = 10 by 2 so you are able to use the elimination method.

2x + 3y = 45
2x + 2y = 20

Subtract.

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4 0

3 years ago

Is the relationship shown by the data linear? If so, model the data with an equation. X:1,5,9,13 Y:5,10,15,20

ryzh [129]

Let
A (x1,y1)-------> (1,5)
B (x2,y2)------> (5,10)
C (x3,y3)------> (9,15)
D (x4,y4)------> (13,20)

find the slope
AB
m=(10-5)/(5-1)-----> m=5/4

find the slope
CB
m=(15-10)/(9-5)-----> m=5/4

find the slope
DC
m=(20-15)/(13-9)-----> m=5/4

so
the relationship shown is linear

to model the data with an equation find the equation of a line
with m=5/4 and point A (1,5)
y-y1=m*(x-x1)-----> y-5=(5/4)*(x-1)----> y=1.25x-1.25+5-----> y=1.25x+3.75

the equation to model data is
y=1.25x+3.75

see the attached figure

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3 years ago