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3 years ago

8

Find the difference 77/8-3 1/4

1 answer:

gulaghasi [49]3 years ago

8 0

6.4.. Unless you need it in a fraction..

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What is the atomic number of the element represented by the diagrams

ratelena [41]

Answer:where is the diagram so i could help you

Step-by-step explanation:

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3 years ago

U is the midpoint of TV. If TU = 2x and UV = x + 9, what is TU?

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2 years ago

How to solve it and why

RideAnS [48]

6.

4x^2 + 4 = 0

Divide both sides by 4

x^2 + 1 = 0

Use the quadratic formula since this cannot be factored.

x = (-b +- sqrt(b^2 - 4ac))/(2a)

x = +- sqrt(-4(1)(1))/2

x = +- sqrt(-4)/2

x = +- 2i/2

x = +- i

x = i or x = -i

Quicker solution:

If you have x^2 = number, then

x = +- sqrt(number)

Once you get to

x^2 + 1 = 0

Subtract 1 from both sides

x^2 = -1

Apply the quick method

x = +- sqrt(-1)

x = +- i

8.

2x^2 + 50 = 0

Divide both sides by 2

x^2 + 25 = 0

Subtract 25 from both sides

x^2 = -25

Apply quick method

x = +- sqrt(25)

x = +- 5i

x = 5i or x = -5i

3 0

3 years ago

Will give brainliest

jeyben [28]

Answer:

<h2> <em><u>384</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>, </u></em>

Dimensions of the rectangular prism = 9ft, 12ft and 4ft

<em><u>Therefore</u></em><em><u>, </u></em>

Surface area of the rectangular prism

= 2( lb + bh + lh)

$= 2(12 \times 9 + 9 \times 4 + 12 \times 4) {ft}^{2}$

$= 2(108 + 36 + 48) {ft}^{2}$

$= 2 \times 192 {ft}^{2}$

$= 384 {ft}^{2}$

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>Surface</u></em><em><u> </u></em><em><u>area</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>rectangular</u></em><em><u> </u></em><em><u>prism</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>384</u></em><em><u> </u></em><em><u>sq</u></em><em><u>.</u></em><em><u> </u></em><em><u>ft</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

3 0

3 years ago

PLEASE HELP HELP HURRY PLEASE !!!!!!!!

-BARSIC- [3]

Answer:

what are we helping with?

Step-by-step explanation:

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3 years ago