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3 years ago

What is the volume of the triangle prism? ( HELP PLEASE )

Mathematics

1 answer:

worty [1.4K]3 years ago

3 0

Answer:

270 km³

Step-by-step explanation:

the volume = ½×9×6×10 = 270 km³

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31.8 miles/hr= ? Feet/sec

PSYCHO15rus [73]

1 mi = 5280 ft
1 h = 3600 s

therefore:

$31.8\ \dfrac{mi}{h}=31.8\cdot\dfrac{5280}{3600}\ \dfrac{ft}{s}=46.64\ \dfrac{ft}{s}$

Answer: 31.8 mi/h = 46.64 ft/s

6 0

3 years ago

At noon, a tank contained 10cm of water. After several hours, it contained 7cm of water. What is the percent decrease of water i

Aloiza [94]

30 percentage decrease, if you need me to explain I’ll be glad to help

3 0

2 years ago

Helppp can someone solve this please

Norma-Jean [14]

Answer:

$\displaystyle x=-15$

Step-by-step explanation:

<u>Solution Of A System Of Equations </u>

A system of linear equations is given as

$\displaystyle \left\{\begin{matrix}ax+by=c\\ dx+ey=f\end{matrix}\right.$

There are many methods to solve them. We will use the method of reduction

The given system is

$\displaystyle \left\{\begin{matrix}2x+3y=45\\ x+y=10\end{matrix}\right.$

Multiplying the second equation by -3

$\displaystyle \left\{\begin{matrix}2x+3y=45\\ -3x-3y=-30\end{matrix}\right.$

Adding the resulting equations

$\displaystyle -x=15$

$\displaystyle x=-15$

5 0

3 years ago

What is 0.129 divided by 0.3?

Alecsey [184]

You can multiply 0.129 and 0.3 by 10 each to make it a little easier to see what to do. 0.129 / 0.3 = 1.29 / 3 Simple long division will take you to 0.43

8 0

3 years ago

Read 2 more answers

Find the slope of the line passing through the points D(10,8) and E(-4, 4)

ludmilkaskok [199]

Answer: 2/7

Step-by-step explanation:

Slope form: y2-y1/x2-x1

4-8/-4-10 ==> -4/-14 ==> 2/7

7 0

3 years ago