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2 years ago

Using the temperature conversion tables below, what is 50°F in degree Celsius?

Mathematics

1 answer:

vfiekz [6]2 years ago

6 0

Answer:

The answer to your question is:

Step-by-step explanation:

Convert 50°F to Celsius

Formula

°C = (°F - 32) x 0.56

Process

°C = (50 - 32) x 0.56

°C = 18 x 0.56

°C = 10.08

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The function f(x) varies inversely with x and f(x) =6 when x =4 what time s f(x) when x = 8

denpristay [2]

$\bf \qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf \textit{we also know that } \begin{cases} \stackrel{f(x)}{y}=6\\ ~~ x=4 \end{cases}\implies 6=\cfrac{k}{4}\implies 24=k~\hfill \boxed{y=\cfrac{24}{x}} \\\\\\ \textit{when x = 8, what is \underline{y}?}\qquad \qquad y=\cfrac{24}{8}\implies y=3$

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3 years ago

Find the equation of a line parallel to y=4x−4 that contains the point (−2,0). Write the equation in slope-intercept form.

Allushta [10]

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

$y=\stackrel{\stackrel{m}{\downarrow }}{4} x-4\qquad \impliedby \qquad \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

so we're really looking for the equation of a line whose slope is 4 and passes through (-2 , 0)

$(\stackrel{x_1}{-2}~,~\stackrel{y_1}{0})\qquad \qquad \stackrel{slope}{m}\implies 4 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{0}=\stackrel{m}{4}(x-\stackrel{x_1}{(-2)}) \\\\\\ y=4(x+2)\implies y=4x+8$

8 0

2 years ago

Which graph represents the function f (x) =[z-1]-3

Furkat [3]

Answer:

(0,4),(1,5)

(0,0),(1,1)

Step-by-step explanation:

6 0

3 years ago

The difference of a number and 6is the same as 5 times

leva [86]

Answer:

let difference be x

Step-by-step explanation:

you can solve for x by keeping the 2 statesments as conditions.

then you solve for both equations together by adding subtracting or multiplying.

eg: let x be the number.

the. proceed with conditions as equations

then solve

then your answer is here

5 0

1 year ago

2.26-30 3x+y=6 (0,_) (_,0) (3,_) (6,_) (5,_)

bekas [8.4K]

Answer:

Step-by-step explanation:

In ordered pairs (a,b) a is the x value and b is a y value.

if we have 3x+y=6

if x=0, y=6 --> (0,6)

if y=0, x=2 -->(2,0)

if x=3, y=-3--> (3, -3)

if x=6, y= -12 --->(6, -12)

if x=6, y= -9 ---> (5, -9)

7 0

2 years ago