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Lerok [7]
3 years ago
15

utilizando la equivalencia indicada, resuelve el siguiente ejercicio: 1 pulgada = 2.54cm 4.2 cm = _____ pulgadas

Mathematics
1 answer:
Phoenix [80]3 years ago
4 0
<span>Los 4.2 centímetros es equivalente a 1.6 pulgadas</span>
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Jackson is starting an exercise program. The first day he will spend 30 minutes on the treadmill. He will increase his time on t
yulyashka [42]

Answer:

40 minutes.

Step-by-step explanation:

  • time spent on the thread mill as a function of d(day) = t(d)

= 30 +2(d-1) minutes

[where d represents day number]

(when d is 1 the time spent should be 30

so substitute d=1 and check it will be 30 only.

on first day he will spend 30 minutes so, I added 30 .

and on every additional day( these additional days are excluding first day), he will increase the time by 2 minutes.so, I added 2(d-1) to initial 30 minutes)

  • so, T(6), the minutes he will spend on the treadmill on day 6=

=30+2(6-1)

=30+2(5)

=30+10

=40 minutes

3 0
3 years ago
Determine whether a quadratic model exists for the set of values below. If​ so, write the model. f(0) = -4, f(3) = -19, f(-1) =
Vikentia [17]

Answer:

  A) The model exists: f(x) = -3x^2 +4x -4

Step-by-step explanation:

A quadratic model will always exist for 3 given points, provided they are not on a line. In that case, a linear model is appropriate.

Here, the slope between -1 and 0 is positive, and the slope between 0 and 3 is negative. Thus, we know these points are not collinear, and a model must exist.

The model is most easily found using a quadratic regression tool. Such is shown in the attachment. It tells us that ...

  f(x) = -3x^2 +4x -4

7 0
2 years ago
The Clark family and the Lee family each used their sprinklers last summer. The water output rate for the Clark family's sprinkl
SpyIntel [72]
Each where used for 25 hours
6 0
3 years ago
Read 2 more answers
PLEASE HELP.Ill mark you brainliest if its right
Lena [83]

Answer:

Step-by-step explanation:

1.) y= 1/5x - 2

2.) y = 1x + 2

3.) y = 2x + 4

4.) y = 1x + 4

5.) y = 1/3x - 4

6.) y = 1/2x - 3

7 0
3 years ago
Read 2 more answers
Show your work !!!!!!!!!!!!
sdas [7]
-1/2 < -x/3 < -1/4 = -6/12 < -x/12 < -3/12

two numbers can go in there....-4/12, and -5/12
7 0
3 years ago
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