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larisa [96]
3 years ago
14

I need help in my alg assignment, I'm trying to finish up my class and my friend explain this to me but I don't understand and c

an't

Mathematics
1 answer:
Alex3 years ago
3 0
50 boys 35 girls 4.40 times 5 is 22+14=36
so all your doing here is 35 times 0.4 because their are 35 girls and you multiple that by 0.4
same thing for the guys anyway answer is 36
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If the temperature were to drop 38 degrees, which number would display this best?
emmasim [6.3K]
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3 years ago
Solve this system of linear equations. separate the x- and y- values with a coma. -12x=-75-11y
ycow [4]
Solve the following system:
{-12 x = -11 y - 75 | (equation 1)
{-5 x = -11 y - 89 | (equation 2)
Express the system in standard form:
{-(12 x) + 11 y = -75 | (equation 1)
{-(5 x) + 11 y = -89 | (equation 2)
Subtract 5/12 × (equation 1) from equation 2:
{-(12 x) + 11 y = -75 | (equation 1)
{0 x+(77 y)/12 = (-231)/4 | (equation 2)
Multiply equation 2 by 12/77:
{-(12 x) + 11 y = -75 | (equation 1)
{0 x+y = -9 | (equation 2)
Subtract 11 × (equation 2) from equation 1:
{-(12 x)+0 y = 24 | (equation 1)
{0 x+y = -9 | (equation 2)

Divide equation 1 by -12:
{x+0 y = -2 | (equation 1)
{0 x+y = -9 | (equation 2)
Collect results:
Answer:  {x = -2                {y = -9

please note that the parentheses "{" should span over both equations but the editor doesn't allow that so I should it on both line, See attached example.










4 0
3 years ago
Find the slope of the line shown.
kumpel [21]

Add the pic and I’ll be able to answer it

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3 years ago
Math problem need help plz
alexira [117]

Answer:

angle LXZ is 121°

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6 0
3 years ago
What is the numerator of the fraction equivalent to 3\5 that has a denominator of 30
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3 0
3 years ago
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