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Ganezh [65]
3 years ago
5

A square piece of confetti has an area of 25 square millimeters. How long is each side?

Mathematics
2 answers:
motikmotik3 years ago
8 0

Answer:

The side length is 5 mm

Step-by-step explanation:

Since it is square, we know the area of a square is given by

A = s^2 where s is the side length of the square

25 = s^2

Take the square root of each side

sqrt (25) = sqrt(s^2)

5 = s

The side length is 5 mm

Vlad [161]3 years ago
7 0

The formula for the area of a rhombus is s^2=A.  Plug in and solve:

s^2=25

<em>*Take the square root of both sides*</em>

s=5

Hope this helps!!

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Smallest of 3 consecutive positive intergers if the product of the smaller two intergers is 5 less than 5 times the largest inte
amm1812

What a delightful little problem ! (Partly because I could see
right away how to do it, and had the answer in a few minutes,
after a lot of impressive-looking algebra on my scratch-paper.)

Three consecutive integers are . . . x,  x+1,  and  x+2

The smallest two are . . . x  and  x+1
    Their product is . . . . . x(x+1)

5 times the largest one is . . . 5(x+2)
      5 less than that is . . . . . . 5(x+2)-5

Now, the conditions of the problem say that    <u>x (x + 1) = 5 (x+2) - 5</u>
THAT's the equation we have to solve, to find 'x' .

       Eliminate parentheses:    x² + x = 5x + 10 - 5
            Combine like terms:    x² + x = 5x + 5
Subtract 5x from each side:    x² - 4x = 5
Subtract  5  from each side:   <u>x² - 4x - 5 = 0</u>

You could solve that by factoring it, or use the quadratic equation.

Factored, it says that    (x + 1) (x - 5) = 0

From which       <em>x = -1</em>
             and      <em>x = +5</em>

We only want the positive results, so our three consecutive integers are

             5,  6,  and  7 .   

To answer the question, the smallest one is    <em><u>5 </u></em>.

<u>Check</u>:

   5 x 6  ? = ?  (7 x 5) - 5

       30  ? = ?  (35) - 5

         30   =   30

             yay !   


6 0
3 years ago
Based on the figure, select all true equations​
Lady bird [3.3K]

Answer:

a) no

b) true

c) true

d) no

e) true

f) true

3 0
2 years ago
How do you estimate 52% of 84?
Nastasia [14]
The way to answer this question is to first make 52% into a decimal:

52% = 0.52

so now we will simply multiply:

   84
x.52

once you have multiplied these numbers it comes out to be 43.68.
So your answer is 43.68.

Hope this answer helps! feel free to ask any additional questions :)
6 0
3 years ago
When Joseph finished packing his backpack, it had a mass of 5 kilograms. What was the mass of the backpack in grams
worty [1.4K]
There is 1000 grams in a kilogram so he had a mass of 5,000 grames in his bag
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3 years ago
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Number of sides is 6- Hexagon

Sum of interior angles equation- s=(n-2)*180
s= (6-2)*180
s= 4*180
s=720
Sum is 720
Hope this is helpful
5 0
3 years ago
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