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boyakko [2]
3 years ago
15

I’ll mark you brainlist I’ll mark you brainlist show work

Mathematics
2 answers:
zmey [24]3 years ago
6 0

Answer:

X=66

Step-by-step explanation:

114+x=180

X= 66

atroni [7]3 years ago
6 0
X= 66

Hope this is right



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Please help me with this!<br><br><br> show that {1,2} ⊆ {x|x^4 - x^3 - x^2 - 5x + 6 = 0}
Llana [10]

The set \{x\mid x^4-x^3-x^2-6x+6=0\} is the set of all values of x that are solutions to the given equation. So all you need to do is check whether x=1 and x=2 satisfy the equation.

x=1\implies 1^4-1^3-1^2-5+6=0

x=2\implies2^4-2^3-2^2-10+6=0

The equation holds, so both 1 and 2 are solutions, and hence \{1,2\} is a subset of the solutions.

6 0
3 years ago
What is the probability of getting a green, replace it back, and then pull another green?
Delvig [45]

Answer:

5/9 is the likelihood of 2 greens in a row or 55%

8 0
2 years ago
Read 2 more answers
5p−3p+9+p+3? pls im failingg
Triss [41]

Answer:

3p + 12

Step-by-step explanation:

5p -3p + 9 + p + 3

Move around the parts of the equation

5p -3p + p + 9 + 3

Add positive 9 to positive 3

5p -3p + p + 12

Add positive p to negative 3p

5p -2p + 12

Combine positive 5p and negative 2p together

3p + 12

I Hope That This Helps! :)

7 0
3 years ago
Please help me on this been trying on this I know it is not B
svetoff [14.1K]
The answer is delta because i am a mathmatician
3 0
3 years ago
Read 2 more answers
A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of
Nataly_w [17]

Answer:

Car 1 - 25

Car 2 - 30

Step-by-step explanation:

Assuming we use car 2 as much as possible than car 2 consumed 30 gallons while car 1 consumed 25

(35x30)+(15x25)=1425

30+25=55

Sorry if this is wrong. I tried my best, if it is wrong than tell me so I will know and can try to improve.

6 0
3 years ago
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