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SVETLANKA909090 [29]
3 years ago
10

Laura wants to cover a box with fabric:

Mathematics
1 answer:
Annette [7]3 years ago
6 0

Answer:

1,578

Step-by-step explanation:

I took the test

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-2x - 4 + 5y = 8 solve?
snow_tiger [21]

Step-by-step explanation:

-2x - 4 + 5y = 8

-2x + 5y = 8 + 4

-2x + 5y = 12

<em>Hope</em><em> </em><em>this helps</em><em>.</em><em>.</em><em> </em><em>Good</em><em> </em><em>luck</em><em> </em><em>:</em><em>)</em><em> </em>

8 0
3 years ago
Read 2 more answers
Find the vertex of this parabola:<br> y = -x2 - 4x - 2
VikaD [51]
<h3>Hello!</h3>

===============================

In order to find the vertex of a parabola, we use the following formula:

\bold{\displaystyle\frac{-b}{2a} }}

Remember, a parabola looks like so:

\tt{y=ax^2+bx+c}

Now we know what a and b stand for.

In this case, b is -4, and a is -1:

\hookrightarrow\sf{\displaystyle\frac{-(-4)}{2(-1)}

Simplify:

\hookrightarrow\sf{\displaystyle\frac{4}{-2} }}

Divide:

\hookrightarrow\sf{-2}

===================================

<h3>Notes:</h3>
  • Hope everything is clear.
  • Let me know if you have any questions!
  • Enjoy your day!
  • Always remember: Knowledge is power!
<h3>Answered by:</h3>

\mathbb{DiAmOnD}\\{\boxed{An~Emotional~And~Creative~Helper}}}}

3 0
3 years ago
Of the 600 sixth graders at Melville Middle School, 80% want more field trips. How many students want more trips?
horsena [70]

Answer:

480

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A huge Ping-Pong tournament is held in Beijing with 65,536 participants at the start of the tournament. Each round of
lisabon 2012 [21]

Answer:

After 16 rounds the champion of Ping-Pong player can be determined.

Step-by-step explanation:

This is an example of geometric progression,

First term = 65,536

\texttt{Common ratio = }\frac{1}{2}

Now we need to find which term is 1 in this GP.

N th term of GP is given by

             t_n=ar^{n-1}

Substituting

               1=65536\times \left ( \frac{1}{2}\right )^{n-1}\\\\\frac{1}{65536}=\left ( \frac{1}{2}\right )^{n-1}\\\\2^{n-1}=65536\\\\2^{n-1}=2^{16}\\\\n=17

Seventeenth term of this GP is 1.

That is after 16 rounds the champion of Ping-Pong player can be determined.

3 0
4 years ago
Josie measured the diameter of the base of her
ra1l [238]

Answer:

6cm

Step-by-step explanation:

The radius is half of the diameter. Being 12 inches, the radius will be 6 inches.

7 0
3 years ago
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