3 years ago

Please help me I don’t understand part B

Mathematics

1 answer:

mr Goodwill [35]3 years ago

8 0

Answer:

Multiplying a number by n is equivalent to dividing it by 1/n.

Step-by-step explanation:

We generalise for any whole number n.

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Find the slope intercept form of the equation of the line through the points(2,-4) parallel to the line 8x+2y+2=0

Margarita [4]

Answer:

y = -4x + 4

Step-by-step explanation:

8x+2y+2=0

turn that into slope intercept form:

y = -4x - 1

a parallel line has the same slope, but different y-intercept

y = -4x + b

put (2,-4) into the equation

-4 = -4(2) + b

you get b=4

final product:

y = -4x + 4

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4 years ago

Determine the slope for the equation.

posledela

Answer:

slope = $\frac{6}{5}$

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = $\frac{6}{5}$ x - 4 ← is in slope- intercept form

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3 years ago

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VikaD [51]

Answer:

Option D

Step-by-step explanation:

$F=\frac{9}{5}C+32\\\\F-32=\frac{9}{5}C \\\\5(F-32)=9C\\\\\frac{5(F-32)}{9}=C \\\\C=\frac{5}{9}( {F-32})$

For F=77°F

$C=\frac{5}{9}(F-32) \\\\C=\frac{5}{9}(77-32)\\\\C=\frac{5}{9}(45)\\\\C=\frac{225}{9} \\\\C=25$

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3 years ago

What is 2/5 divided by 4/3

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Answer:

0.5333

Step-by-step explanation:

$\frac{2}{5} \div \frac{4}{3} \\ \\ \frac{2 \times 4}{5\times 3} = \frac{8}{15} \\ \\ \frac{8}{15} = 0.5333$

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3 years ago

A line with a slope of -3 that passes through the point (-2, 6)

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I believe the equation is y = -3x + 0

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3 years ago