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NeTakaya
3 years ago
12

Simplify this expression (2c-7)(-7)

Mathematics
1 answer:
nevsk [136]3 years ago
7 0
<span>(2c-7)(-7)
= -24c+49

Hope this helps!</span>
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Indicate the equation of the given line in standard form.The line containing the median of the trapezoid whose vertices are R(-1
maxonik [38]
RS => y - 5 = (8 - 5)/(1 - (-1)) (x - (-1))
y - 5 = 3/2 (x + 1) => slope = 3/2
ST => y - 8 = (-2 - 8)/(7 - 1) (x - 1)
y - 8 = -10/6 (x - 1) = -5/3 (x - 1) => slope = -5/3
TU => y - (-2) = (0 - (-2))/(2 - 7) (x - 7)
y + 2 = 2/5(x - 7) => slope = 2/5
UR => y = 5/(-1 - 2) (x - 2)
y = -5/3 (x - 2) => slope = -5/3

The median is the line joining the midpoints of the non-parallel sides.
Midpoint of RS = ((-1 + 1)/2, (5 + 8)/2) = (0, 13/2)
Midpoint of TU = ((7 + 2)/2, -2/2) = (9/2, -1)

Equation of the line joining (0, 13/2) and (9/2, -1) is given by y - 13/2 = (-1 - 13/2)/(9/2) x
y - 13/2 = (-15/2)/(9/2) x
y - 13/2 = -15/9x
18y - 117 = -30x
30x + 18y = 117
7 0
3 years ago
Find the area of the parallelogram of A=
lara31 [8.8K]
Area of a parallelogram is the base times the height

the base is 14 cm
the height is 7 cm

14*7=?
7 0
3 years ago
Read 2 more answers
Place the correct symbol, &lt; or &gt;, between the two numbers 11/18 17/24
evablogger [386]

For this case we must indicate the correct sign between the following numbers:

\frac {11} {18}\ and\ \frac {17} {24}

We have to:

\frac {11} {18} = 0.611111111111\\\frac {17} {24} = 0.708333333333

So, we have to \frac {17} {24}> \frac {11} {18}

Answer:

\frac {17} {24}> \frac {11} {18}

5 0
3 years ago
Read 2 more answers
How do you solve -50x3/1000
Finger [1]

Answer:

-.15

Step-by-step explanation:

3/1000= .003

-50×.003= -.15

7 0
3 years ago
I need help with these 2 problems. Please and thank you :)
dsp73

Answer:

2,8

Step-by-step explanation:

the upper arrow goes down just like the other one so which every number you see its on go to that number and look up im at explaining but that is the answer for the 1st page

7 0
2 years ago
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