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zaharov [31]
3 years ago
6

I'm confused please help meeee!! only with #8 ;((((

Mathematics
1 answer:
attashe74 [19]3 years ago
6 0
Order of operations; PEMDAS

Exponents first since there is no parenthesis.

10^2 = 100

100-8+4•3

then multiplication

100-8+12

then addition

100-20=
so your answer is 80
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Derive the equation of the line that goes through (−3, 1) and (0, −5).
Oksanka [162]

Answer:

C)  y = -2x - 5

Step-by-step explanation:

\sf let \ (x_1,y_1)=(-3,1)\\\\let \ (x_2,y_2)=(0,-5)

\sf slope=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{-5-1}{0-(-3)}=-2

Point-slope formula: \sf y-y_1=m(x-x_1)

\sf \implies y-1=-2(x-(-3))

\sf \implies y=-2x-5

5 0
2 years ago
Read 2 more answers
Solve for f<br><br> d(v)=2.15v^2 / 64.4f
patriot [66]
f= \frac{0.03338509v}{d}

Hope this helps. :)
4 0
3 years ago
15. The price of a ticket for your office Christmas party is $17.75. So far you've sold 28 tickets. How much money should you ha
Marina CMI [18]
17.75 x 28 = 497
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5 0
3 years ago
Write an equation of the line in slope- intercept form
gavmur [86]

Answer:

a)\ y=-\frac{1}{3}x

Step-by-step explanation:

Slope (m) form: \frac{y_2-y_1}{x_2-x_1}

m=\frac{y_2-y_1}{x_2-x_1} \\\\m=\frac{1-0}{-3-0} \\\\m=\frac{1}{-3} \\\\m=-\frac{1}{3}

y=mx+b\\y=-\frac{1}{3}x +b

(0, 0)

y=-\frac{1}{3}x +b\\0=-\frac{1}{3}(0) +b\\0=0+b\\0=b

y=-\frac{1}{3}x +0\\y=-\frac{1}{3}x

Check your answer:

y=-\frac{1}{3}x \\1=-\frac{1}{3}(-3)\\1=-1

This statement is true

Hope this helps!

6 0
2 years ago
Which graph shows the solution to the inequality -3x-7 &lt;20
IgorLugansk [536]
Well I would give you the answer but I can not because there are no graphs for me to pick from
4 0
3 years ago
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