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iogann1982 [59]
3 years ago
15

4. The perimeter of a row of tiles is 41 inches. How many tiles are there in the row?

Mathematics
1 answer:
Mandarinka [93]3 years ago
3 0

Answer: 10.25

Step-by-step explanation: add 10.25 4 times and see what you get

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A2+5a+6=0<br><img src="https://tex.z-dn.net/?f=%20%7Ba%7D%5E%7B2%7D%20%20%2B%205a%20%2B%206%20%3D%200" id="TexFormula1" title="
Katarina [22]

we are given

a^2+5a+6=0

we can use factoring formula

a^2-(m+n)a+mn=(a-m)(a-n)

we can compare

and we get

m+n=-5

mn=6

now, we can solve for m and n

and we get

m=-3 , n=-2

now, we can use formula

and we get

a^2+5a+6=(a+3)(a+2)

now, we can set it equal to 0

a^2+5a+6=(a+3)(a+2)=0

(a+3)=0

a=-3

a+2=0

a=-2

so, we will get

a=-2,a=-3.............Answer

3 0
3 years ago
Read 2 more answers
Are the lines below parallel, perpendicular, or neither?
levacccp [35]

Answer:

<h2>Neither </h2><h2></h2>

2y = 3x - 4

y = 2/3x - 3

Step-by-step explanation:

Parallel means the lines never cross. These two lines cross. Perpendicular means they cross and form a 90° angle.

5 0
3 years ago
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A shoe store uses a 50 percent markup for all of the shoes it sells. What should be the selling price of a pair of shoes that ha
Margarita [4]

Answer:

85.5

Step-by-step explanation:

57 + 57/2 = 57 + 28.5 = 85.5

5 0
3 years ago
Help me please!! <br> Also explain you answer since this is a study guide for a important test!!
il63 [147K]

Answer:

<h3><em>the </em><em>answer</em><em> </em><em>is </em><em>A</em></h3>

Step-by-step explanation:

8x+6is equivalent to-7(1-x)+x+13 because

-7(1-x)+x+13

we use-7to multiply the numbers in the bracket which is equal to -7+7x(minus ❌times minus =+)

-7+7x+x+13

collect like terms

7x+x+13-7=8x+6

answer is A

6 0
3 years ago
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jacob bought some tickets to see his favorite singer. He bought some adult tickets and some children's tickets, for a total of 9
Dmitry [639]
6 adult tickets and 2 children’s tickets !
8 0
4 years ago
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