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andreyandreev [35.5K]
3 years ago
10

You need to buy four cards but only have seven dollars to spend. Which inequality can you use to find the amount that you can af

ford if c represents the price of one card?
Select all and any qualities that could represent us word problem:
A.c/4 7
C.4c 7
E.c 28
G.c $1.75
Mathematics
1 answer:
suter [353]3 years ago
3 0

Answer:

a

Step-by-step explanation:

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the total weight of the medals won by the top medal-winning nations in the 2012 London Olympic Games.
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3 years ago
5 Exam-style ABCD is a kite.
Mnenie [13.5K]

let's recall that in a Kite the diagonals meet each other at 90° angles, Check the picture below, so we're looking for the equation of a line that's perpendicular to BD and that passes through (-1 , 3).

keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of BD

y = \stackrel{\stackrel{m}{\downarrow }}{3}x-1\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}

\stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{3\implies \cfrac{3}{1}} ~\hfill \stackrel{reciprocal}{\cfrac{1}{3}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{1}{3}}}

so we're really looking for the equation of a line whose slope is -1/3 and passes through point A

(\stackrel{x_1}{-1}~,~\stackrel{y_1}{3})\qquad \qquad \stackrel{slope}{m}\implies -\cfrac{1}{3} \\\\\\ \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}{3}=\stackrel{m}{-\cfrac{1}{3}}[x-\stackrel{x_1}{(-1)}]\implies y-3=-\cfrac{1}{3}(x+1) \\\\\\ y-3=-\cfrac{1}{3}x-\cfrac{1}{3}\implies y=-\cfrac{1}{3}x-\cfrac{1}{3}+3\implies y=-\cfrac{1}{3}x+\cfrac{8}{3}

5 0
2 years ago
What’s the LCM and GCF of 14 and 22
lozanna [386]
LCM of 14 and 22 is 154, and the GCF is 2
6 0
3 years ago
Read 2 more answers
Can someone solve this for me real quick
fiasKO [112]

Answer:

Square

Step-by-step explanation:

a plane figure with four equal straight sides and four right angles.

8 0
2 years ago
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bulgar [2K]

Answer:145

Step-by-step explanation:x-5+3x+25=180

4x+20=180 4x=160 x=40. <k=120+25=145

4 0
2 years ago
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