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Allisa [31]
2 years ago
14

Find the perimeter of the polygon.

Mathematics
1 answer:
wel2 years ago
4 0

Answer:

A. 25 cm

Step-by-step explanation:

Perimeter of a polygon = the sum of all sides of the polygon

Therefore,

Perimeter of the given polygon = 5 + 6 + 8 + 6

Perimeter = 25 cm

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I got a maths equation which i don't really get how to work out, the question is : solve 4x^2+x-3=0
Maru [420]

The solutions for the given equation 4x^2+x-3=0 are x = -1 and x = 3/4. Using the quadratic formula, the solutions for the given equation are calculated.

<h3>What is the quadratic formula?</h3>

The formula which is used to calculate the roots(solutions) of the quadratic equation in the form ax^2+bx+c=0 is

x = [- b ± \sqrt{b^2-4ac}]/2a

<h3>Calculation:</h3>

The given equation is 4x^2+x-3=0

In comparison with the standard form of quadratic equation ax^2+bx+c=0,

we get, a = 4, b = 1 and c = -3

So, solving the given equation using the quadratic formula,

x = [- b ± \sqrt{b^2-4ac}]/2a

  = [- 1 ± \sqrt{1-4(4)(-3)}]/2(4)

  = [-1 ± \sqrt{49}]/8

  = (-1 ± 7)/8

Thus, x =  (-1 + 7)/8 = 3/4 and x = (-1-7)/8 = -8/8 = -1

Therefore, the solutions of the given equation are x = -1 and x = 3/4.

Learn more about solving quadratic equations here:

brainly.com/question/1214333

#SPJ4

6 0
2 years ago
Is -37/17 equal to -10
algol [13]
No, it would be -2.176470588 or rounded to -2.18

i used a scientific calculator to get the answer 
8 0
3 years ago
"Which describes the slope of this line?
kumpel [21]
<span>the slope of this line is </span>zero slope

7 0
3 years ago
Read 2 more answers
Pat has more than twice as much money as Billy, "b". Pat has $50, how much does Billy have?​
s344n2d4d5 [400]
$10 because you divide 50 by 5 and you get 10
6 0
2 years ago
If Ryan does a job in 10 hours and with the help of Chelsea they can do it together in 5 hours, how long would it take Chelsea t
adell [148]

It would take her 10 hours. If it is double the time for one person to complete the task versus two, you can guess that the other person takes the same amount of time

4 0
3 years ago
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