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Mekhanik [1.2K]
3 years ago
14

Practice: triangle sum theorem on a piece of paper solve for the variable , then find the missing angles

Mathematics
1 answer:
MariettaO [177]3 years ago
3 0
1) x=-3. The missing angle is 71 degrees
2) x=45. The missing angles are 90 and 45 degrees.
3) x=40. The missing angles are 40 and 100 degrees
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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
Is 1/2gallon less than 2quarts or equal to 2quartS or more than 2 quarts
Andrew [12]

Answer: equal to

Step-by-step explanation:

There are 4 quarts in a gallon

6 0
3 years ago
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omeli [17]
<span>The highest common denominator between 80 and 64 is 16. This means no string can be cut longer than 16 inches for them all to have the same length.</span>
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Q2. Do as directed(You can solve on a piece of paper and send picture in assignment) (4)
zepelin [54]

Step-by-step explanation:

true equation when x is replaced by 2, and is a false ... is written in terms of P, R, and T.” In some cases, before using a formula it may be ... (2) a number line graph, or (3) interval notation.

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If an object travels at a speed of 6 km/h for 2 hours, how far does it travel?
AveGali [126]
It travels 12 km or 7.46 mph .
5 0
3 years ago
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