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scoundrel [369]
3 years ago
12

X is less than or equal to-86

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer:

x≤-86

Step-by-step explanation:

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Hello there!
otez555 [7]

Answer:

24  Domain: s>=2  or s<=-2

25. 3x^2 +14x +10

26. x^2 -2x+5  

Step-by-step explanation:

24.  Domain is the input or s values

square roots must be greater than or equal to zero

s^2-4 >=0

Add 4 to each side

s^2 >=4

Take the square root

s>=2  or s<=-2


25.  f(g(x))  stick g(x) into f(u) every place you see a u

f(u) = 3u^2 +2u-6

g(x) = x+2

f(g(x) = 3(x+2)^2 +2(x+2) -6

Foil the squared term

       = 3(x^2 +4x+4) +2x+4-6

Distribute

       = 3x^2 +12x+12 +2x+4-6

Combine like terms

   =3x^2 +14x +10


26 f(g(x))  stick g(x) into f(u) every place you see a u

f(u) = u^2+4

g(x) = x-1

f(g(x) = (x-1)^2 +4

Foil the squared term

         = (x^2 -2x+1) +4

         = x^2 -2x+5  

7 0
3 years ago
The perimeter of a regular 4-sided polygon (square) is 48 units and the length of each side is x +1 units. What is the value of
iren [92.7K]

Answer:

x=11

Step-by-step explanation:

48-4=44

44/4=11

x=11

11+1=12

12•4= 48

6 0
2 years ago
Read 2 more answers
A rectangular tank measures 14 cm by 9 cm by 10 cm. What is the volume of the tank in cubic centimeters?
geniusboy [140]
1260cm cubed.........…........
7 0
3 years ago
Let ∠X and ∠Y be complementary. If sin(X) =
Lena [83]
<h3>Answer:</h3>

sin(Y) = 4/5

<h3>Step-by-step explanation:</h3>

The sine of one of a pair of complementary angles is equal to the cosine of the other. Given that ∠X and ∠Y are complementary, sin(Y) = cos(X) = 4/5.

_____

You can figure this from SOH CAH TOA, the mnemonic that reminds you of the definitions of the trig functions. The adjacent leg for one of the acute angles in the right triangle is the opposite leg for the other angle.

... Sin = Opposite/Hypotenuse

... Cos = Adjacent/Hypotenuse

8 0
3 years ago
Expression 1 is -12x + 3
musickatia [10]

Answer:

-12 + 3 - (10x - 15x + 96)

Step-by-step explanation:

6 0
3 years ago
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