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gizmo_the_mogwai [7]
3 years ago
15

HELP!

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
6 0
I’m pretty sure the last answer is the correct one!
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If x=9 and y=−3, evaluate the following expression:20−5y+2x
pentagon [3]

Answer:

53

Step-by-step explanation:

20-5y+2x

20-5(-3)+2(9)

20--15+18

cancel out the negative signs

20+15+18

=53

4 0
3 years ago
Read 2 more answers
What is the answer some one help please!!
scoray [572]
The correct answer is B
4 0
3 years ago
What is expression equivalent to 23x
Anvisha [2.4K]

Answer:

23X

Step-by-step explanation:

4 0
3 years ago
Hermes says that the opposite of 9 is 9 since
wel
Answer: Hermès is incorrect. The opposite of 9 is -9.


Explanation: In this question, Hermès gives an incorrect answer, claiming that the opposite of 9 is also 9. To find the correct answer, let’s first look at his reasoning. He was right in one thing- to find the opposite of a number, we need to find one that shares the same distance from zero. However, he was wrong in believing that the number had to be exactly the same. To find the opposite number, find the same distance from zero in the opposite direction. In this case, the distance from zero is 9. Go in the opposite direction from zero, 9 times. This would give you an answer of -9. Because of this, the opposite of 9 is -9.


Hope this helps! Comment below for more questions.
3 0
3 years ago
Your math teacher given you 20 questions . 15 % Of the assignment is done. How many is completed
Semenov [28]

Answer:

3

Step-by-step explanation:

20×0.15

equal 3

3 0
3 years ago
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