4 years ago

What is the absolute value of |-18|

Mathematics

2 answers:

Sergeeva-Olga [200]4 years ago

4 0

Answer:18

Step-by-step explanation:

trasher [3.6K]4 years ago

3 0

Answer:

Step-by-step explanation:

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I really don't get these questions

Mazyrski [523]

Answer:

Step-by-step explanation:

280 + 5(–5) + (–42) + 2(75) + (–200)

280 - 25 - 42 + 150 - 200

280 - 67 + 150 - 200

280 - 67 - 50

213 - 50

= $163

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3 years ago

Which is the best estimate for 6,193 ÷ 48 using compatible numbers.

Gala2k [10]

It would be B. 120 you would usually round up but the closest one to 129.02083 is 130 and since there is no 130 it would be 120

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3 years ago

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Which expression is not equivalent to 8 · x · 2 · y?<br><br> 16yx<br> 8x + 2y<br> 16xy

IceJOKER [234]

Answer:

8x + 2y.

Step-by-step explanation:

8 . x . 2 . y = 16xy = 16yx

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3 years ago

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What is the solution to the system of equations? 7x-2y= -24 5x+5y=15

Artyom0805 [142]

35x -10y=-120
10x +10y= 30

45x=-90
x=-2

5(-2)+5y=15
-10+5y=15

5y=25
y=5

(-2,5): the answer is b

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3 years ago

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How do i do this pls help me

Delvig [45]

Answer:

$y = \frac{1}{7} x + 7$

Step-by-step explanation:

x-7y = -49

i) move x to the right-hand side and change its sign

-7y = -49-x

ii) change the signs on both sides of the equation

7y = 49+x

iii) divide both sides of the equation by 7

$\frac{7y}{7} = \frac{49}{7} + \frac{x}{7}$

$y = 7 + \frac{1}{7} x$

iv) use the commutative property to reorder the terms

* commutative property: a+b = b+a

$y = \frac{1}{7} x + 7$

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3 years ago