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mamaluj [8]
3 years ago
6

Solve the following quadratic equation.

Mathematics
1 answer:
Nonamiya [84]3 years ago
5 0

Given:

Consider the given equation is

(x-18)^2=1

To find:

The values of x.

Solution:

We have,

(x-18)^2=1

Taking square root on both sides, we get

x-18=\pm\sqrt{1}

x-18=\pm 1

Adding 18 on both sides, we get

x-18+18=\pm 1+18

x=\pm 1+18

Now,

x=1+18 and x=-1+18

x=19 and x=17

Therefore, the correct option is A.

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Find the surface area of the square pyramid shown below.​
Katarina [22]

Answer:

The surface area is 40

Step-by-step explanation:

It is 40 because you have to find the area of each face so you would do 3*4 which equals 12 and since there is 4 of the triangles you do 12*4 which is 48 but when it's a triangle you have to cut it in half so it would really be 24.

Then for the square on the bottom you would do 4*4 which is 16 and then you would add the totals to get 40.

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        ......... Hope it helps, Have a nice day:)
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Jessica and Callista go the local burger joint. They both want to buy the meal deal. Jessica has 34 of the money needed to buy t
olga_2 [115]

The original price of the meal deal if they would have exactly enough money to buy two of the meal deal is $4

<h3>How to write and solve equation?</h3>

let

x = cost of the meal

Both = 2x - 3

  • Jessica = 3/4x
  • Callista = 1/2x

3/4x + 1/2x = 2x - 3

(3+2)x / 4 = 2x - 3

5/4x = 2x - 3

5/4x - 2x = - 3

(5-8)x/ 4 = -3

-3/4x = -3

x = -3 ÷ -3/4

= -3 × -4/3

= 12/3

x = $4

Learn more about equation:

brainly.com/question/2972832

#SPJ1

4 0
2 years ago
Find an equivalent expression for (2m + 3 )(m - 1 )
patriot [66]

Hey there!

(2m + 3)(m-1) \\ \\ (2m + m) m+ (-1) ) \\ \\ 2m(m) + 2m(-1) + 3(m) +3(-1) \\ \\ 2m^2 -2m +3m -3 \\ \\ Answer: 2m^2+ m - 3

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

7 0
3 years ago
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