3 years ago

Hey ya'll don't scroll please, just look at the attachment and answer every single question please- thank you very much.

Mathematics

1 answer:

Gelneren [198K]3 years ago

7 0

Answer:

A) pop? If you meant most

B.)30

C.) 230

Step-by-step explanation:

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-2x + y = 0<br> x - y = -3

miv72 [106K]

Answer:

The value of x is 3 and y is 6.

Step-by-step explanation:

You can solve this simultaneous equation by elimination method :

$- 2x + y = 0 - - - (1)$

$x - y = - 3 - - - (2)$

$(1) + (2)$

$- 2x + y + x + (- y) = 0 + ( - 3)$

$- x = - 3$

$x = 3$

$substitute \: x = 3 \: into \: (2)$

$(2)⇒$

$3 - y = - 3$

$- y = - 6$

$y = 6$

7 0

3 years ago

24 metal spheres are melted, and the liquid is poured into a rectangular mold. The radius of each sphere is 4 cm. The length of

astra-53 [7]

So first, let's calculate the total volume of all metal spheres.

Total volume = number of spheres * 4/3* πr³
Total volume = 24*4/3*3.14*4³ = 6430.72 cm³

Now, let's equate this to the volume of the rectangular prism. The volume of a rectangular prism is:

V = LWH, where L is the length, W is the width and H is the height

Thus,

6430.72 = (6 cm)(2 cm)(H)
Solving for H,
<em>H = 535.9 cm</em>

6 0

3 years ago

Which of the following numbers have 16 as a factor<br> 96, 144, 218, 276, 304?

Komok [63]

The answer is the last one

6 0

3 years ago

"The sum of three times a number and 8 is -22" What is the equation?

kramer

Answer:

(-10×3) + 8 = -22

4 0

3 years ago

Find the area of the sector if m∠ A = π/10 and the circle has a radius of 20 inches.

Leno4ka [110]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta r^2}{2}\qquad 
\begin{cases}
\theta=\textit{angle in radians}\\
r=radius\\
----------\\
\theta=\frac{\pi }{10}\\
r=20
\end{cases}\implies A=\cfrac{\frac{\pi }{10}\cdot 20^2}{2}$

3 0

3 years ago

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