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slega [8]
4 years ago
7

Which equation has a graph perpendicular to the graph 7x=14y-8

Mathematics
1 answer:
IrinaVladis [17]4 years ago
5 0
<span>Slope-intercept form is y = mx + b
m is the slope 
b is the y-intercept 

7x = 14y - 8

7x + 8 = 14y {added 8 to each side}
(1/2)x + (8/14) = y
slope is 1/2 

A line perpendicular would have a slope of -2 {the negative reciprocal of 1/2} 

#1 y = -2x - 7 {it is the only one with a slope of -2}</span>
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Sup peeps<br> Can someone find the area of this plz
ziro4ka [17]

Answer:

<h2><em><u>448</u></em><em><u> </u></em><em><u>sq.ft</u></em></h2>

Step-by-step explanation:

The following figure is a <em><u>trapezium</u></em><em><u>, </u></em>

<em><u>So</u></em><em><u> </u></em><em><u>Given</u></em><em><u>,</u></em>

Parallel sides of the trapezium = 17ft and 39ft

Height of the trapezium = 16ft

<em><u>Therefore</u></em><em><u>, </u></em>

Area of the trapezium

=  \frac{1}{2}  \times (sum \: of \: parallel \: sides) \times height

=  \frac{1}{2}  \times (17ft + 39ft) \times 16ft

=  \frac{1}{2}  \times 56ft \times 16ft

= 56ft \times 8ft

= 448 {ft}^{2}

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>448</u></em><em><u> </u></em><em><u>sq.ft</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>area</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>trapezium</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

7 0
3 years ago
If the graph of the second equation in the system passes through the points (-12, 20) and
Rasek [7]

answer: the system had no solution

8 0
3 years ago
18x + 2x + 1=32<br> -1<br> 18x + 2x=31<br> And then what?
DerKrebs [107]
Let's look at the equation we have. 
18x + 2x = 31

The first step would be to combine like terms. Ex: 18x and 2x
18x + 2x = 31
20x = 31

Now, to isolate the x, you would divide both sides by 20. 
20x = 31
x = 1.55

x = 1.55

I hope this helps!

3 0
4 years ago
Read 2 more answers
What is the area in square inches?
miv72 [106K]

Answer:

946 Sq Inches

Step-by-step explanation:

just cut it off to make two rectangles

28 * 7 = 196

30*25= 750

then add em up

750+196 = 946

8 0
3 years ago
Read 2 more answers
Oder then from least to greatest. 3 1/0, 3.23, 305%, 3 2/15
Viktor [21]

3 1/0 is not defined. As you've typed it, it looks like division by zero.


Let's rearrange 3.23, 305%, 3 2/15 as necessary:


3.23, 3.05, 3.133


Clearly, 3.05 is smallest and 3.23 is largest. Thus: 3.05, 3.133, 3.23.

4 0
3 years ago
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