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prohojiy [21]
3 years ago
7

Consider the following simplified algebraic expression 10x2y+6x2-7y2-6

Mathematics
1 answer:
Elan Coil [88]3 years ago
7 0

Answer:

x-y

Step-by-step explanation:

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Select the correct answer.
Finger [1]

Answer:

(c)\ f(5) < g(3)

Step-by-step explanation:

Given

f(n) = 2(n-1) -1

g(n) = 3n + 6

Required

Which is correct

(a)\ g(6) < f(6)

Calculate g(6) and f(6)

f(n) = 2(n-1) -1

f(6) = 2(6 - 1) -1 = 2*5-1=9

g(n) = 3n + 6

g(6) =3*6 +6 =24

<em>(a) is false, because g(6) > f(6) i.e. 24 > 9</em>

<em></em>

(b)\ f(7) > g(10)

Calculate f(7) and g(10)

f(n) = 2(n-1) -1

f(7) = 2*(7-1)-1=2*6-1=11

g(n) = 3n + 6

g(10) =3*10+6=36

<em>(b) is false, because f(7) < g(10) i.e. 11 <36</em>

<em></em>

(c)\ f(5) < g(3)

Calculate f(5) and g(3)

f(n) = 2(n-1) -1

f(5) =2 *(5-1)-1 = 2*4-1=7

g(n) = 3n + 6

g(3) = 3*3+6=9+6=15

<em>(c) is true, because f(5) < g(3) i.e. 7 <15</em>

5 0
3 years ago
Write the standard equation for the circle 30. Center (2,7), r=4. 31. Center (-6,-8), that passes treough (0,0)
Salsk061 [2.6K]
The standard equation of the circle is:

(x-h)^2+(y-k)^2=r^2 where (h,k) it the center of the circle and r is the radius...

so

30.

(x-2)^2+(y-7)^2=16

31.

We need to find the radius...(I'll just use the Pythagorean Theorem)

r^2=6^2+8^2

r^2=36+64

r^2=100  (so the radius is 10) and its center is (-6,-8) so

(x+6)^2+(y+8)^2=100
3 0
4 years ago
I need help someone ....
kvasek [131]

Answer:

162 ft^2

Step-by-step explanation:

18 * 18 = 324

324/2 = 162

The area of the patio is 162 square feet

7 0
3 years ago
Read 2 more answers
Both please.........
Levart [38]
Sry I'm couldn't solve the second one but the ans for the 1st is 504 sq units
3 0
4 years ago
PLZ HELP !!!<br> SCREENSHOT
juin [17]
Answer: Point C
Step by step: P is 3 spaces away from 0 and C is 3 spaces away from 0. Opposite of each other.
8 0
3 years ago
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