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boyakko [2]
3 years ago
12

Simply the equation and show your work

Mathematics
1 answer:
Lorico [155]3 years ago
5 0

Answer:

y^2   +2x^2 y

----------------------

5 xy^2   - 6 x^2

Step-by-step explanation:

1/x^2 +2/y

-------------------

5/x - 6/y^2

Multiply the top and bottom by x^2y^2 to clear the fractions in the numerator and denominator

1/x^2 +2/y               x^2y^2

------------------- * ---------------------------

5/x - 6/y^2               x^2y^2

Distribute

1/x^2 *  x^2y^2   +2/y *x^2y^2

---------------------------------------------

5/x  * x^2y^2   - 6/y^2* x^2y^2


y^2   +2x^2 y

----------------------

5 xy^2   - 6 x^2

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I need help with this
AlladinOne [14]

Answer:

A, B, and C

Step-by-step explanation:

We can substitute each number into each equation

2 <u><</u> -1 + 5 true

2 <u>></u> 1 true

1 <u>></u> 0 true

A is correct

4 <u><</u> -1 + 5 true

4 <u>></u> 1 true

1 <u>></u> 0 true

B is correct

3 <u><</u> -0 + 5 true

3 <u>></u> 0 true

0 <u>></u> 0 true

C is correct

5 <u><</u> -2 + 5 false

D is incorrect

3 0
3 years ago
Use the interactive graph to produce an orange line identical to the blue line. Then change the value of b only. Which equation
andrezito [222]

Answer:

(C) y = 2x – 3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST! <br>What is the answer for question (iv)? <br>please help! ​
Leviafan [203]

Step-by-step explanation:

\triangle ABC \sim \triangle ADE... (given) \\\\\therefore \frac {AC}{AE} = \frac {BC}{DE}.. (csst) \\\\\therefore \frac {5}{5+2x} = \frac {x+3}{4x+1}\\ \\ \therefore \: 5(4x + 1) = (5 + 2x)(x + 3) \\ \therefore \:20x + 5 = 5x + 15 + 2 {x}^{2}  + 6x \\ \therefore \:20x + 5 =2 {x}^{2} +  11x + 15 \\ \therefore \:2 {x}^{2} +  11x + 15 -2 0x  - 5 = 0\\  \therefore \:2 {x}^{2}  - 9x + 10 = 0\\ \therefore \:2 {x}^{2}  - 5x   -  4x+ 10 = 0\\ \therefore \:x(2x - 5) - 2(2x - 5) = 0 \\ \therefore \:(2x - 5)(x - 2) = 0 \\ 2x - 5 = 0  \:  \: or \:  \: x - 2 = 0 \\ x =  \frac{5}{2} \:  \:  or \:  \: x = 2 \\ x = 2.5 \:  \: or \: x = 2 \\ x = 2.5 \: is \: largest \\  \\  \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{AC ^{2} } {AE^{2} } \\  \\ \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{5 ^{2} } {(5 + 2x)^{2} } \\  =  \frac{25}{(5 + 2 \times 2.5)^{2} }  \\  =  \frac{25}{ {10}^{2} }  \\  =  \frac{25}{100}  \\  \\  \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{1}{4}  \\

5 0
4 years ago
Please help me out with this
Naddik [55]

Answer:

(x - 5)² + (y + 3)² = 16

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

here (h, k) = (5, - 3) and r = 4, so

(x - 5)² + (y - (- 3))² = 4², that is

(x - 5)² + (y + 3)² = 16

3 0
3 years ago
What is the sum of 3/7, 4/5, and 2/3 rounded to two decimal places
bagirrra123 [75]
Hello!!

Total = 3/7 + 4/5 + 2/3

         = 0.428571429 + 0.8 + 0.66666667

         = 199/105
 
         = 1.89524.....

         ≈ 1.90 (rounded to two decimal places)

Good luck :)
3 0
3 years ago
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