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3 years ago

10

Jayvon drives his boat at a constant speed, described by the question d=25t, where d represents the distance, in miles, that the

boat travels at this speed in t minutes. How many miles does the car travel in 13 minutes.

1 answer:

Vitek1552 [10]3 years ago

3 0

The boat turns into a car? and also the math doesn’t make sense, unless the car/boat is going 325 miles in 25 minutes...

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Bill must take an 8-question true/false quiz and has to guess on each problem. How many

MrMuchimi

Answer:40320

Step-by-step explanation:

8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 40320 and there are 8 questions total

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Each of the 25 students in Mr Walker's class sold 16 raffle tickets. If each ticket costs $15 how much money did Mr Walker's stu

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3 years ago

Write an equation of a line that is perpendicular to the line y=2/3x and passes through origin

sesenic [268]

keeping in mind that perpendicular lines have negative reciprocal slopes, hmmm what's the slope of the equation above anyway?

$\bf y = \cfrac{2}{3}x\implies y = \stackrel{\stackrel{m}{\downarrow }}{\cfrac{2}{3}}x+0\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill$

$\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{\cfrac{2}{3}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{3}{2}}\qquad \stackrel{negative~reciprocal}{-\cfrac{3}{2}}}$

so we're really looking for the equation of a line whose slope is -3/2 and runs through (0,0).

$\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{0})~\hspace{10em} \stackrel{slope}{m}\implies -\cfrac{3}{2} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{0}=\stackrel{m}{-\cfrac{3}{2}}(x-\stackrel{x_1}{0})\implies y=-\cfrac{3}{2}x$

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3 years ago

What is the answer to |4r−12| , if r<3?

Sav [38]

Answer:

Step-by-step explanation:

|4r−12| = -(4r-12) when 4r-12< 0

4r< 12 so r<3

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3 years ago

Factor the trinomial, if possible. If the trinomial cannot be factored using integers, write prime.

Dominik [7]

Answer:

it can be factorized. this image gives solution

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3 years ago