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Sergio [31]
4 years ago
15

Will give you brainiest :)

Mathematics
2 answers:
Sergio039 [100]4 years ago
5 0

Answer:

hi, pls find below

Step-by-step explanation:

\dfrac{\sqrt{25}}{\sqrt{16}}=\dfrac{5}{4}\\\\\\\dfrac{\sqrt{18}}{\sqrt{8}}=\sqrt{\dfrac{3*3*2}{2*2*2}}=\sqrt{\dfrac{3*3}{2*2}}=\dfrac{3}{2}\\\\

hope this helps

Alexxx [7]4 years ago
5 0

Answer:

A) \frac{5}{4}

B) \frac{3}{2}

Step-by-step explanation:

A) \sqrt{\frac{25}{16} }

=> \frac{\sqrt{25} }{\sqrt{16} }

=> \frac{5}{4}

B) \frac{\sqrt{18} }{\sqrt{8} }

=> \frac{3\sqrt{2} }{2\sqrt{2} }

Cancelling sqrt 2

=> \frac{3}{2}

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3 years ago
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Subtract. (5x2−3x−2)−(−2x2−x+10) Express the answer in standard form. Enter your answer in the box.
Nimfa-mama [501]

Answer:

7x^{2}-2x-12=0

Step-by-step explanation:

we know that

The standard form of the quadratic equation is equal to ax^{2} +bx+c=0

we have

(5x^{2}-3x-2)-(-2x^{2}-x+10)

eliminate the parenthesis

5x^{2}-3x-2+2x^{2}+x-10

group terms that contain the same variable

(5x^{2}+2x^{2})+(-3x+x)+(-2-10)

combine like terms

7x^{2}-2x-12=0

5 0
4 years ago
Read 2 more answers
Olve for x. 3(3x - 1) + 2(3 - x) = 0 x = 3/7 x = -3/7 x = 1/3 x = -1/3
zloy xaker [14]

<u>Answer:</u>

x = -3/7

<u>Step-by-step explanation:</u>

We are given the following equation for which we have to solve for x:

3(3x - 1) + 2(3 - x) = 0

So we will start by expanding the equation by multiplying the common factor with the brackets to get:

9x-3+6-2x=0

Arranging the like terms together (variables on one side of the equation and constants on the other side) to get:

9x-2x=3-6\\\\7x=-3\\\\x=-\frac{3}{7}

Therefore, x = -3/7.

8 0
4 years ago
[Links will be reported]
Reil [10]

Answer:

A. 1

B. 7

C. 2

D. 10

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7 0
3 years ago
Stevan wants to build a fence around a square garden that is 506.25 ft squared. How many feet of fence will he need to complete
drek231 [11]

For side length s, the area of a square is given by

... A = s²

Then the side length can be found to be

... s = √A = √(506.25 ft²) = 22.5 ft

The perimeter is the sum of the lengths of the four equal sides.

... P = 4s = 4·(22.5 ft) = 90 ft

Stevan will need 90 ft of fence to complete the job.

5 0
4 years ago
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