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Aneli [31]
3 years ago
13

suppose that y=5x+1 and it is required that y be within 0.005 units of 7. for what values of x will this be true

Mathematics
1 answer:
dlinn [17]3 years ago
7 0

Answer:

  1.199 ≤ x ≤ 1.201

Step-by-step explanation:

You want ...

  |y -7| ≤ 0.005

Substituting the expression for y, you have ...

  |5x+1 -7| ≤ 0.005

  |x -1.2| ≤ 0.001 . . . . . simplify, divide by 5

  -0.0001 ≤ x -1.2 ≤ 0.001 . . . . . "unfold" the absolute value

  1.199 ≤ x ≤ 1.201 . . . . . . . . . . . .add 1.2

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Someone pleaseee help I’m struggling
spin [16.1K]

Step-by-step explanation:

(0,5) and (-2,-3)

y=mx+b

find m

\frac{y1 - y2}{x1 - x2}  \\   = \frac{5 -  ( - 3)}{0 - ( - 2)}  \\  =  \frac{8}{2}  \\  = 4 \\

m=4

Substitute (0,5) or (-2,-3)

For easy processing substitute : (0,5)

y=4x+b

5=b

y=4x+5 is the answer

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anastassius [24]

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3 years ago
Select the expression that makes the equation true (−3⋅10 3 )⋅(4⋅10 6 )<br>select 2 answers
scZoUnD [109]
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3 years ago
What is the lenght of PR
katen-ka-za [31]

Answer:

B.  6

Step-by-step explanation:

The triangles are similar by AA Similarity.

The lengths of corresponding sides of the triangles are proportional.

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Answer: PR = 6

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3 years ago
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ddd [48]
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3 years ago
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