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ANEK [815]
3 years ago
11

Resuelve la siguiente operacion +1 + (-1)=​

Mathematics
1 answer:
scoundrel [369]3 years ago
5 0

Answer:

0

Step-by-step explanation:

+ 1 + (-1)

1 + (-1)

1 - 1

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Please help me out..
sdas [7]

Answer:

x=41

y=139

Step-by-step explanation:

x+y = 180  since they form a straight line

y is 3x +16

y = 3x +16

Replace y in the first equation

x+3x +16 = 180

Combine like terms

4x +16 = 180

Subtract 16 from each side

4x+16-16 =180-16

4x =164

Divide each side by 4

4x/4 =164/4

x = 41

y = 3x +16

y = 3*41 +16 = 123+16 =139

5 0
3 years ago
M<br>+ 8 = 15 <br>find the number m represent ​
leva [86]

Answer:

m=7

Step-by-step explanation:

15-8=7

therefore m=7

8 0
3 years ago
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The Frederick country fair costs $15.00 to get in and $2.50 per ride, while the Montgomery County Fair costs $10.00 to get and $
alekssr [168]

Answer:Frederick county:2.5x+15,Montgomery county:3x+10

Step-by-step explanation:

6 0
3 years ago
ANYONE GOOD AT MATH NEED HELP
lesantik [10]

Answer:

*I just learned that in probability if a question has 'and' it means you multiply and if it has 'or' it means you add*

1a) 1/6

There are two numbers greater than four (5 and 6). There are 6 possible numbers you can get, so the fraction would be 2/6, or simplified would be <u>1/3</u>. There are two options you can get when flipping a coin, so the chance of getting a head is <u>1/2</u>. This is an 'and' problem so multiply 1/3•1/2 and you get 1/6.

1b) 1/4

There are 3 even numbers (2, 4, and 6), so the probability would be 3/6 or simplified to <u>1/2</u>. The chance of landing on a tail is also <u>1/2</u>, as there are two possible options. This is an 'and' problem so multiply 1/2•1/2 and you get 1/4.

2) 1/8

Write out your possible results: HHH, HHT, HTH, THH, HTT, THT, TTH, TTT.

3a) 1/8

There are 4 shirt options to choose from. The chance of picking blue is <u>1/4</u>. There are 2 pant options. The chance of picking black is <u>1/2</u>. This is an 'and' problem, so multiply 1/4•1/2 and you get 1/8.

3b) 1/4

There are 4 shirt options to choose from. This is an 'or' problem because he can choose an orange shirt OR a red shirt. The probability of picking an orange shirt is 1/4 and the probability of picking a red shirt is 1/4. 'Or' means you use addition so add 1/4+1/4 and you get 2/4 or simplified is <u>1/2</u>. There are 2 pant options to choose from, so the probability of choosing brown pants is 1/2. Now, this is an 'and' problem, so multiply 1/2•1/2 and you get 1/4.

6 0
2 years ago
2x+3=-7 twenty Chanda long-standing look
Anvisha [2.4K]

Answer:

x =-5

Step-by-step explanation:

5 0
3 years ago
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