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AleksandrR [38]
3 years ago
7

PLEASE HELP ME. ^^photos^^ I need help with this math please!!!!!

Mathematics
1 answer:
EleoNora [17]3 years ago
5 0

Answer:

17. 11x - 11y  or  11x + (-11y)

18. -7.52 - 2.8  or  -7.52 + (-2.8)

19. 41x - 21y - 6

20. -3y -8xy

Step-by-step explanation:

17. Use the distributive property.

18. Use the distributive property to multiply each number inside the parentheses by 0.4

19. Multiply each number inside the parenthese by 7.

20.Multiply each term in parenthese by y.

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Find the symmetries<br> Y^2+4=x
Mamont248 [21]
Hello:
<span>the symmetries : axis- x </span>

7 0
3 years ago
How many three-digit positive integers have three different digits and at least one prime digit?
Blababa [14]

The number of three-digit positive integers that have three different digits and at least one prime digit are 7960.

The only two components in prime numbers are 1 and the number itself.

Any whole number greater than one is a prime number.

It has exactly two factors—1 and the actual number.

There is just one 2-digit even prime number.

Every pair of prime numbers is always a co-prime.

The product of prime numbers can be used to represent any number.

Three-digit positive integers that have three different digits and at least one prime digit = 3!*4!*10*9 = 7960

Learn more about prime numbers here:

brainly.com/question/145452

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6 0
2 years ago
HELP IS NEEDED FAST PLEASE
vfiekz [6]

Answer:

17.1

Step-by-step explanation:

If you have 15.50 and you divide 0.75 you get 20.6 and if you subtract 3.50 you get 17.1 which is your answer. Boom

7 0
2 years ago
suppose you know that two angles,angle A and B,are supplementary.The measure of angle A is 5 times the measure of angle B. Find
Morgarella [4.7K]
Angle A is 150
Angle B is 30 
Supplementary= 180, so....
Angle A + Angle B = 180
150 + 30= 180

hope this helps
3 0
3 years ago
Read 2 more answers
8 + 4a + 6.2 - 9a = ​
Strike441 [17]

Answer: 14.2 - 5a

Work: I just did "CLT" of "Combine Like Terms". I did 8 + 6.2 First because 8 is first, then I did 4a - 9a which is -5a, and I combined them, and got the answer. I hope this helps, and stay safe! :)

7 0
2 years ago
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