Please help and plz make sure it’s right :)

Mathematics

2 answers:

irakobra [83]2 years ago

6 0

-10 is your answer
180 degrees makes up every triangle so you subtract 50 and 80 degrees which leaves you with 50 degrees, that angle with the x is equal to 50 then you solve for x by subtracting 60 on both sides of the equal sign and you’re left with x= -10

Softa [21]2 years ago

5 0

Answer:

-10

Step-by-step explanation:

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2 years ago

Simplify 3 3/4- 1/5

gulaghasi [49]

Answer: 3 11/20

Step-by-step explanation:

You would first simplify 3 3/4 which is 15/4 then you would subtract it with 1/5

Next, you would have to find the GCD ( greatest common factor) for 15/4 and 1/5 which is 20 so multiply 15 by 5 and 4 by 5 which is 75/20, then multiply the top and bottom with 4 for 1/5 which is 4/20 . You then would subtract the simplified forms 75/20 with 4/20 Which is 71/20 which u can simplify to

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2 years ago

How many positive integers can be expressed ad a product of two or more of the prime numbers 5,7,11,and 13 if no one product is

sertanlavr [38]

Answer:

11 positive integers can be expressed.

Step-by-step explanation:

Consider the provided information.

The number of possible prime numbers are 5,7,11,and 13.

There are 4 possible prime numbers.

How many positive integers can be expressed as a product of two or more of the prime numbers, that means there can be product of two numbers, three number or four numbers.

The formula to calculate combinations is: $^nC_r=\frac{n!}{r!(n-r)!}$