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Allushta [10]
3 years ago
11

What is -x^2 if x=-2

Mathematics
2 answers:
maksim [4K]3 years ago
8 0

4. You substitute the x with -2, which means the problem is -(-2^2).

yanalaym [24]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

plug in -2

-(-2)^2 = -4

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15xy - 4 + 2xy -7xy - 1​
Eduardwww [97]

Answer:

10xy-5

Step-by-step explanation:

15xy-4+2xy-7xy-1 is the given expression.

I assume the directions say to simplify.

Group the xy terms together and group the constants together.

15xy+2xy-7xy-4-1

This is a demonstration of the commutative property.

Now I will use the distributive property to rewrite the first 3 terms as a multiplication:

(15+2-7)xy-5

10xy-5

6 0
3 years ago
Help me please ASAP
Oliga [24]

Answer:

30

Step-by-step explanation:

if im reading the qestuion right

so she had 80 bucks she spend 20 on a ticked so she has 60 left so if im reading it right she spent all of her money so 60 divde by 2 is 30.  

hoped this helped!

3 0
2 years ago
Help! I'll give brainy
Ne4ueva [31]
The answer is A. 5/12
Hope it helped!
5 0
2 years ago
Read 2 more answers
Factor the expression: -x - 6 =
tia_tia [17]

Answer:

- ( x + 6) I think

7 0
2 years ago
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Evaluate the expression.<br><br> (132−122)÷5<br> The value of the expression___ is
ludmilkaskok [199]
The answer is 107.6 pemdas order of operations
3 0
3 years ago
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