3 years ago

What does a negative slope look like in an equation?

Mathematics

1 answer:

GarryVolchara [31]3 years ago

7 0

Answer:

The coefficient would be negative.

Step-by-step explanation:

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What do you start with?<br> 6(3+8n)=210

neonofarm [45]

Always start with what’s in the parentheses:)

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3 years ago

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She has 94 coins in all and the total value is $19.30. How many dimes and how many quarters does she have?

katrin2010 [14]

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4 years ago

12 less than 7 times a number, how do I put this in numbers and symbols and letters

maw [93]

Answer:

7x - 12

Step-by-step explanation:

'12 less' means thats u have to subtract 12 from the next number

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3 years ago

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Jocelyn gave the cashier $50 to pay for 3 shirts. The cashier gave her $5.03 in change. Each shirt cost the same amount. W

Goryan [66]

Answer:

14.9

Step-by-step explanation:

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3 years ago

A cone-shaped lampshade has a height of 18 cm and a slant height of 19.5 cm. Find the lateral surface area of the lampshade.

Aliun [14]

Check the picture below.

$\textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \sqrt{c^2-b^2}=a \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ \sqrt{19.5^2-18^2}=r\implies \sqrt{56.25}=r \\\\[-0.35em] ~\dotfill$

$\textit{lateral area of a cone}\\\\ LA=\pi r\sqrt{r^2+h^2}~~ \begin{cases} r=radius\\ h=height\\ \stackrel{slant~height}{\sqrt{r^2+h^2}}\\[-0.5em] \hrulefill\\ r=\sqrt{56.25} \end{cases}\implies \begin{array}{llll} LA=\pi \sqrt{56.25}\stackrel{slant~height}{(19.5)} \\\\\\ LA\approx 459.46~cm^2 \end{array}$

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2 years ago