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kvv77 [185]
2 years ago
11

Use allfour operations only once without parentheses to write an expression that has a value of 100 only using 3's

Mathematics
1 answer:
suter [353]2 years ago
4 0

There are a lot of ways to write an expression using only 3 to get an answer of 100. Some examples are:

1st example:

3 / 3 + 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3

= 1 + 99

= 100

 

2nd example:

3 / 3 + 3 * 3 * 3 * 3 + 3 * 3 * 3 – 3 * 3

1 + 81 + 27 – 9 = 100

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Solve this please 13 = 8 - 6x
gizmo_the_mogwai [7]
6x-8=13 start off with adding 8 to 13 then 6x=21 then divide 6 to both sides getting x=3.5
5 0
3 years ago
Please help
user100 [1]

Answer:

Length of garden will be 30 metres.

Step-by-step explanation:

Let the Width of garden be x metres.

then,

Length of garden will be (x+6) metres.

Area = Length × Breadth

720 = x X (c+6)

720 = x²+6x

0 = x²+6x-720

As we can see above equation is a quadratic equation in the form of ax²+bx+C.

so,

=  \frac{ - b ±  \sqrt{{b}^{2} - 4ac}  }{2a}  \\ =   \frac{ - 6 ±   \sqrt{{6}^{2} - 4 \times 1 \times  - 720}  }{2}  \\ =    \frac{ - 6 ±  \sqrt{36 + 2880} }{2}  \\  =   \frac{ - 6 ±  \sqrt{2916} }{2}  \\  =   \frac{ - 6 ± 54}{2}\\= \frac{-6+54}{2} ... \frac{ - 6 - 54}{2}  \\  =  \frac{48}{2} ... \frac{ - 60}{2}  \\  = 24... - 30

One of the Roots of the Quadratic equation is 24 and other is -30.

And as we know width of any garden cannot be negative so the width of garden will be 24 metres.

As we got the width,

adding 6 to it will give us the Length,

So,

24 metres + 6 = 30 metres.

Length of the garden is 30 metres.

Hope It Helped You ;)

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@khuturr_

8 0
3 years ago
Help us appreciated:)
Lelu [443]
Answer:

reflect over y-axis and then translate 1 unit up



hope this helped
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2 years ago
The rate of change of the number of students at a high school in Naples is the same from 2005 to 2013 as it is from 2013 to 2021
german

Answer:

Step-by-step explanation:

Linear

6 0
2 years ago
HELP MEEE!!! PLEASE!!!
lakkis [162]
Easy multiply the first number and do keep change flip 
3 0
3 years ago
Read 2 more answers
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