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3 years ago

25x⁴+4x⁴y²+4y⁴ answer this

Mathematics

1 answer:

vova2212 [387]3 years ago

6 0

Answer:

(5x²+2y² + 2xy)(5x²+2y²-2xy)

Step-by-step explanation:

25x⁴+4x²y²+4y⁴= (5x²)²+2*5x²*2y²+(2y²)² - 16x²y²= (5x²+2y²)² - (4xy)²= (5x²+2y² + 2xy)(5x²+2y² - 2xy)

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Solve x^2 – 8x + 41 = 0 for x.

icang [17]

<span> $\displaystyle x^2 - 8x + 41 = 0 \\\\ \Delta=b^2-4ac \\ \Delta=(-8)^2-4\cdot1\cdot41 \\ \Delta=64-164 \\ \Delta=-100 \\ \\ X_{1,2}= \frac{-b\pm i \sqrt{-\Delta} }{2a} = \frac{8 \pm 10i}{2} \\ \\ X1=4-5i \\ \\ X2=4+5i$ </span>

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3 years ago

1. Evaluate x2 + 10 if we let x= 3

snow_tiger [21]

Answer:

Step-by-step explanation:

$x2 + 10 \\ = 3 \times 2 + 10 \\ = 6 + 10 \\ = 16$

4 0

3 years ago

Read 2 more answers

What’s is the value of the expression 7+[8-(1+9)]

Amanda [17]

Answer:

Step-by-step explanation:

7+(8-(1+9))

7+(8-10)

7+(-2)

7-2

4 0

3 years ago

Correct answers only please!

Naily [24]

Answer:

1st Question

A. 85

2nd Question

B. 71

Step-by-step explanation:

1st Question

{90 + 94 + 96 + 90} = 370/4 = 92.5

{95 + 99} = 194/2 = 97

{87 + 75 + 82 + 85} = 329/4 = 82.25

{71} = 71/1 = 71

.20(92.5) +.25(97) +.30(82.25) +.25(71) = 85.175 Rounded-up = 85

___________________________________________________

2nd Question

.10(95) +.20(80) +.50(67) +.20(60) = 71

7 0

4 years ago

jenny receives total employee benefits that are 24.5% of her gorss annual pay.if jenny has a gross annual pay of 70,000 how much

patriot [66]

You can change 24.5% by moving the decimal point
24.5%=.245
70,000 x .245=$17,150

4 0

3 years ago

25x⁴+4x⁴y²+4y⁴ answer this​

25x⁴+4x⁴y²+4y⁴ answer this