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4 years ago

Which represents the solution set to the inequality

Mathematics

1 answer:

Feliz [49]4 years ago

5 0

Answer:

It’s c

Step-by-step explanation:

I just got it right

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A pile of 15 boxes is 3 metres high. What is the depth of each box?

schepotkina [342]

Answer:

15 boxes=3m=300cm

1 box=300cm÷15

=20cm

5 0

3 years ago

Read 2 more answers

50 POINTS PLEASE HELP AND EXPLAIN YOUR ANSWER

Afina-wow [57]

Answer:

your option is correct

Step-by-step explanation:

To be two triangles congruent we have the following

Side-Side-Side
Side-Angle-Side
Angle-Side-Angle

option 2, and 3 give angles, but to work they have to be between the two sides, so those options can't be

so the only one is option 1

option 4 is when the triangles can't be congruent

3 0

3 years ago

If the length of a rectangle is 8 and the width is 10. What is its area?

kvv77 [185]

Answer:

80.

Step-by-step explanation:

Area = length x width

Area = 8 x 10

= 80

8 0

3 years ago

A hemisphere has an area of 256 pi cm^2. What is its volume?

Amanda [17]

$\bf \begin{array}{llll}
\textit{surface area of a sphere}\\\\
A=4\pi r^2
\\\\\\
\textit{a hemisphere is half that}\\\\
A=\cfrac{4\pi r^2}{2}\implies A=2\pi r^2
\end{array}\qquad r=radius
\\\\\\
\textit{now, we know the area is }256\pi \implies 256\pi =2\pi r^2
\\\\\\
\cfrac{256\pi }{2\pi }=r^2\implies \sqrt{128}=r\implies \boxed{8\sqrt{2}=r}
\\\\
-----------------------------\\\\$

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\qquad r=radius
\\\\\\
\textit{a hemisphere is half that}\\\\
V=\cfrac{\frac{4}{3}\pi r^3}{2}\implies V=\cfrac{\frac{4\pi r^3}{3}}{\frac{2}{1}}\implies V=\cfrac{4\pi r^3}{3}\cdot \cfrac{1}{2}
\\\\\\
V=\cfrac{2\pi r^3}{3}
\\\\\\
\textit{now, we know the radius is }8\sqrt{2}\implies V=\cfrac{2\pi (8\sqrt{2})^3}{3}
\\\\\\
V=\cfrac{2\pi (8^3\sqrt{2^3})}{3}\implies V=\cfrac{2\pi \cdot 512\cdot 2\sqrt{2}}{3}
\\\\\\
\boxed{V=\cfrac{2048\pi \sqrt{2}}{3}}$

7 0

3 years ago

X - 15 = -20 please show work

Natasha2012 [34]

Answer:

x = -5

Step-by-step explanation:

x - 15 = -20

+ 15 + 15

x = -5

5 0

4 years ago

Read 2 more answers