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3 years ago

PLEASE HELP ME WITH THIS, ITS 12 AM

Mathematics

1 answer:

juin [17]3 years ago

4 0

Diskette morning my dear dear sister I hope your day off I will check for you and you please please Shia

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A news report says that 28%of high school students pack their lunch. Your high school has 600 students. How many students in you

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Roughly 168

multiply 0.28 by 600

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3 years ago

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Aika spent a total of 80 minutes to complete her math and science homework. The ratio of the amount of time she spent to complet

Leviafan [203]

32 minutes

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3 years ago

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Quall o numero de diagonais de um poligono com 15 lados

Romashka [77]

Answer:

90 diagonais.

Step-by-step explanation:

$n(n-3)/2=15(15-3)/2=15*6=90$

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2 years ago

Please help! Correct answers only please!

Maurinko [17]

Answer:

B. is your answer

Step-by-step explanation:

V=whl=7·6.5·7=318.5

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3 years ago

Write the equation of a line that passes through the points ( 2 , - 5 ) and ( 8 , - 2 )

kati45 [8]

Answer:

$y=\frac{1}{2}x-6$

Step-by-step explanation:

Hi there!

Linear equations are typically organized in slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

<u>1) Determine the slope (m)</u>

$m=\frac{y_2-y_1}{x_2-x_1}$ where two points that fall on the line are $(x_1,y_1)$ and $(x_2,y_2)$

Plug in the given points (2,-5) and (8,-2)

$m=\frac{y_2-y_1}{x_2-x_1}\\=\frac{-2-(-5)}{8-2}\\=\frac{-2+5}{8-2}\\=\frac{3}{6}\\=\frac{1}{2}$

Therefore, the slope of the line is $\frac{1}{2}$ . Plug this into $y=mx+b$ :

$y=\frac{1}{2}x+b$

<u>2) Determine the y-intercept (b)</u>

$y=\frac{1}{2}x+b$

Plug in one of the given points and solve for b

$-5=\frac{1}{2}(2)+b\\-5=1+b$

Subtract 1 from both sides to isolate b

$-5-1=1+b-1\\-6=b$

Therefore, the y-intercept of the line is -6. Plug this back into $y=\frac{1}{2}x+b$ :

$y=\frac{1}{2}x+(-6)\\y=\frac{1}{2}x-6$

I hope this helps!

6 0

3 years ago