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Veronika [31]
3 years ago
14

4.8 + 2.2w − 1.4w + 2.4 ?

Mathematics
2 answers:
vaieri [72.5K]3 years ago
8 0

Answer:

7.2+0.8W

Step-by-step explanation:

melisa1 [442]3 years ago
7 0

Answer:

0.8w + 7.2

Step-by-step explanation:

Separate the numbers with and without variables.

4.8 + 2.4 = 7.2

2.2w - 1.4w = 0.8w

( Remember when u put ur answer together the number with variables should be in front of the number without variables! or whatever i dont remember lol i only remember how to solve. )

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A line passes through point A (14,21). A second point on the line has an x-value that is 125% of the x-value of point A and a y-
seropon [69]

Answer:

The equation of the line in point-slope form is y-21 = - \frac{3}{2}\cdot (x-14).

Step-by-step explanation:

According to the statement, let A(x,y) = (14,21) and B(x,y) = (1.25\cdot x_{A},0.75\cdot y_{A}). The equation of the line in point-slope form is defined by the following formula:

y-y_{A} = m\cdot (x-x_{A}) (1)

Where:

x_{A}, y_{A} - Coordinates of the point A, dimensionless.

m - Slope, dimensionless.

x - Independent variable, dimensionless.

y - Dependent variable, dimensionless.

In addition, the slope of the line is defined by:

m = \frac{y_{B}-y_{A}}{x_{B}-x_{A}} (2)

If we know that x_{A} = 14 and y_{A} = 21, then the equation of the line in point-slope form is:

x_{B} = 1.25\cdot (14)

x_{B} = 17.5

y_{B} = 0.75\cdot (21)

y_{B} = 15.75

From (2):

m = \frac{15.75-21}{17.5-14}

m = -\frac{3}{2}

By (1):

y-21 = - \frac{3}{2}\cdot (x-14)

The equation of the line in point-slope form is y-21 = - \frac{3}{2}\cdot (x-14).

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3 years ago
Please help, having trouble
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Answer:

shell pay morethen 30

Step-by-step explanation:

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