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1 year ago

9 yd 6 yd 8 yd Volume of the pyramid

Mathematics

1 answer:

liubo4ka [24]1 year ago

8 0

Answer:

Volume = 144

V = length(9) × width(6) × height(8) ÷ 3 = 144

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What is the equation of the line that passes through the point (-6,-8)(−6,−8) and has a slope of 1/3

Dmitriy789 [7]

Answer:

y= $\frac{1}{3}$ x-6

Step-by-step explanation:

because slope is 1/3

so y= $\frac{1}{3}$ x+b

plug in (-6,-8)

y= $\frac{1}{3}$ x-6

8 0

3 years ago

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I need you to answer with a, b, c, d

solong [7]

To find the zeros of a quadratic fiunction given the equation you can use the next quadratic formula after equal the function to 0:

$\begin{gathered} ax^2+bx+c=0 \\ \\ x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a} \end{gathered}$

For the given function:

$f(x)=2x^2-10x-3$ $x=\frac{-(-10)\pm\sqrt[]{(-10)^2-4(2)(-3)}}{2(2)}$ $x=\frac{10\pm\sqrt[]{100+24}}{4}$ $\begin{gathered} x=\frac{10\pm\sqrt[]{124}}{4} \\ \\ x=\frac{10\pm\sqrt[]{2\cdot2\cdot31}}{4} \\ \\ x=\frac{10\pm\sqrt[]{2^2\cdot31}}{4} \\ \\ x=\frac{10\pm2\sqrt[]{31}}{4} \\ \end{gathered}$ $\begin{gathered} x_1=\frac{10}{4}+\frac{2\sqrt[]{31}}{4} \\ \\ x_1=\frac{5}{2}+\frac{\sqrt[]{31}}{2} \end{gathered}$ $\begin{gathered} x_2=\frac{10}{4}-\frac{2\sqrt[]{31}}{4} \\ \\ x_2=\frac{5}{2}-\frac{\sqrt[]{31}}{2} \end{gathered}$

Then, the zeros of the given quadratic function are:

$\begin{gathered} x=\frac{5}{2}+\frac{\sqrt[]{31}}{2} \\ \\ x_{}=\frac{5}{2}-\frac{\sqrt[]{31}}{2} \end{gathered}$

Answer: Third option

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1 year ago

PLEASE ANSWER ITS DUE SO SOON

geniusboy [140]

the line is negative because it goes down as you move right

slope = rise/run = 4/2 = 2

y = 2x+b

use a point on the line - I picked (-4, 3)

3 = 2(-4)+b

3 = -8+b

11 = b

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3 years ago

-4x-7-3x+4=25<br><img src="https://tex.z-dn.net/?f=what%20is%20-%204x%20-%207%20-%203x%20%2B%204%20%3D%2025%20" id="TexFormula1"

kodGreya [7K]

Hi I don’t really understand can you explain a little bit please

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2 years ago

Find the volume for each rectangular prism

Elden [556K]

Answer: 385 cm

Step-by-step explanation: V= l*w*h

V= 7*5*11

= 385

6 0

3 years ago

Read 2 more answers