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pentagon [3]
3 years ago
14

Hiiiooo! Can someone please help out❤️❤️❤️❤️:D

Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0

Answer:

x = 14.6

Step-by-step explanation:

hopes this helps

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1. What is the solution of n² – 49 = 0? (1 point)
maks197457 [2]

Answer:

1. n=\pm7

2. x=\pm7i[tex]3.[tex]\pm 12x =a

4. 22

Step-by-step explanation:

1. n^2 - 49 = 0

n^2 =49

n= \sqrt{49}

n=\pm7

2. x^2+64 = 0

x^2 =-64

x= \sqrt{49}

x=\pm7i[tex]3. Area of square = [tex]a^{2}

Where a is the side

We are given an area o square = 144x^{2}

So, 144x^{2}=a^{2}

\sqrt{144x^{2}}=a

\pm 12x =a

4. We are given that the solution of quadratic equation -9 and 9

So, equation becomes:

(x+9)(x-9)=0

x^2- 81=0

So, in the given equation x^2 + z = 103

z should be the number from which if we subtract 103 so we get 81

Substitute z = 22

x^2 + 22 = 103

x^2 + 22 -103=0

x^2 -81=0

Thus the value of z is 22

8 0
3 years ago
Read 2 more answers
Find The Area Of The Shape Shown Below
Vesnalui [34]

Answer:

<u>32</u>

Step-by-step explanation:

I proceeded to divide the shape up into 2 triangle and 1 square. The added sum of the 2 divided triangles is 16 and the square is 16. Add those to to get <u>32</u>.

The following shape is a trapezoid

area formula:

A=

A=

A= (4)(12+4)

A= (4)(16)

A= (4)(16)

A= (64)

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Also, is that Khan Academy?

8 0
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Step-by-step explanation:

4 0
3 years ago
1<br> A number increased by 12 is -24.
enyata [817]
Its a negative answer
6 0
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Hannah drew a pattern using only equilateral triangles. Which of the following statements about an equilateral triangle is true?
Shalnov [3]
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