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34kurt
4 years ago
7

I need help with number 14 and how to solve it

Mathematics
1 answer:
Yakvenalex [24]4 years ago
3 0
X^2/2 = 5x-17/1 solve by cross multiplying. You come up with

x^2 = 2(5x - 17)
x^2 = 10x - 17
x^2 - 10x + 17 = 0
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Factor the expression x4 − y4 using the polynomial identity (x2 − y2) = (x − y)(x + y). Hint: x4 = (x2)2 and y4 = (y2)2.
Tanya [424]

Answer:

(x - y)(x + y)(x² + y²)

Step-by-step explanation:

x^{4} - y^{4} ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b), thus

x^{4} - y^{4}

= (x²)² - (y²)²

= (x² - y²)(x² + y²) ← x² - y² is also a difference of squares, then

= (x - y)(x + y)(x² + y²)

5 0
3 years ago
Write a problem that can represent: 13x + 26 = 91
RUDIKE [14]
13x+26=91
13x+26-26=91-26
13x=65 (Divide)
x=5
Hope this helps!
3 0
4 years ago
What is 41 divided 0.05 help me quick!!!!
GREYUIT [131]

Answer: 820

Step-by-step explanation:

41/0.05 = 820

6 0
3 years ago
Read 2 more answers
Need help please with how to write mathematical expression using numbers 32 4 2 16 4. Please explain how it is solved?
My name is Ann [436]

Answer:

what is the way usedfevevvdb

6 0
3 years ago
Ten times the sum of a number and
s2008m [1.1K]
At least means greater than or equal to.

10 × (15+b) ≥ 26
150+10b ≥ 26
10b ≥ -124
b ≥  -12.4
6 0
3 years ago
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