I need help -6x > 30

Mathematics

1 answer:

Debora [2.8K]3 years ago

7 0

Answer:

×< -5

Step-by-step explanation:

-6x>30 reverse the sign

x< -5

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Answer both questions

Brrunno [24]

Answer:

Step-by-step explanation:

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3 years ago

What is the equation of a line that passing through points (-2, 5) and (3, 25)

Llana [10]

$\bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{5})\qquad 
(\stackrel{x_2}{3}~,~\stackrel{y_2}{25})
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{25-5}{3-(-2)}\implies \cfrac{25-5}{3+2}
\\\\\\
\cfrac{20}{5}\implies 4
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-5=4[x-(-2)]
\\\\\\
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What is the value of x ???<br><br> HELP A S A P

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The answer is a. 22.0

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3 years ago

Find dy/dx by implicit differentiation. (X^2/(x+y))=y^2+1

faust18 [17]

Apply quotient rule and chain rule and power rule.

Differentiate both sides with respect to x

You'll get

$\frac{2x(x + y) - x^2(1 + y')}{(x+y)^2} = 2yy'\\\\ \frac{2x^2 + 2xy - x^2+ x^2y'}{(x+y)^2} = 2yy'\\\\2x^2 + 2xy - x^2- x^2y' = 2yy'(x+y)^2\\\\ x^2 + 2xy = 2yy'(x+y)^2 + x^2y'\\\\ x^2 + 2xy = y'(2y(x+y)^2 + x^2)\\\\ y' = \boxed{\bf{\frac{x^2 + 2xy}{2y(x+y)^2 + x^2}}}$

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3 years ago

15 players two coaches and 21 parents attend this year sports banquet the cost of each meal was $12 +5% sales tax what was the t

Artist 52 [7]

Answer:

$478.80

Step-by-step explanation:

We have been given that 15 players two coaches and 21 parents attend this year sports banquet the cost of each meal was $12 plus 5% sales tax.

First of all, we will find cost of each meal with tax as:

$\text{Cost of each meal with tax}=\$12+\$12\times \frac{5}{100}$