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2 years ago

(1.6x + 3.25) + (0.3x + 0.5)

Mathematics

1 answer:

STatiana [176]2 years ago

7 0

(1.6x + 3.25) + (0.3x + 0.5)

combine like terms

1.6x+.3x +3.25 +.5

Result:

1.9 x + 3.75

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Estimate 12.56+12.69 using front-end estimation.

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Please I need help with this I don't understand my teacher gave us a valentines day assignment like what the heck I seriously do

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Answer:

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The graph for this is attached.

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2 years ago

Read 2 more answers

(-6,8); perpendicular to y = -3/2x -1

UNO [17]

Answer:

$y = \frac{2}{3} x + 12$

Step-by-step explanation:

$y = - \frac{3}{2} x - 1$

The gradient of a line is the coefficient of x when the equation of the line is written in the form of y=mx+c.

Thus, gradient of given line= $- \frac{3}{2}$ .

The product of the gradients of perpendicular lines is -1.

(Gradient of line)(-3/2)= -1

Gradient of line

$- 1 \div ( - \frac{3}{2} ) \\ = - 1( - \frac{2}{3} ) \\ = \frac{2}{3}$

Substitute m= $\frac{2}{3}$ into y=mx+c:

$y = \frac{2}{3} x + c$

To find the value of c, substitute a pair of coordinates.

When x= -6, y= 8,

$8 = \frac{2}{3} ( - 6) + c \\ \\ 8 = - 4 + c \\ c = 8 + 4 \\ c = 12$

Thus, the equation of the line is $y = \frac{2}{3} x + 12$ .

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2 years ago

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The answer is one.
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