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Serjik [45]
2 years ago
5

True or false, -|21| is always positive

Mathematics
2 answers:
Anuta_ua [19.1K]2 years ago
8 0

Answer:

yes because it | | means absolute value

Step-by-step explanation:

zlopas [31]2 years ago
4 0

Answer:i think yes

Step-by-step explanation:

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The number 5/3 is a _____________________ because 5 and 3 are integers and 3 is not equal to zero.
fiasKO [112]

Answer:

Rational

Step-by-step explanation:

The number 5/3 is a rational number because 5 and 3 are integers and 3 is not equal to zero.

6 0
3 years ago
Read 2 more answers
find the product of (3x − 4)(2x2 2x − 1). 6x3 2x2 − 5x 4 6x3 14x2 − 11x 4 6x3 − 14x2 − 5x 4 6x3 − 2x2 − 11x 4
zheka24 [161]
(3x - 4)(2x^2 + 2x - 1) = 3x(2x^2 + 2x - 1) - 4(2x^2 + 2x - 1) = (6x^3 + 6x^2 - 3x) - (8x^2 + 8x - 4) = 6x^3 + 6x^2 - 3x - 8x^2 - 8x + 4 = 6x^3 - 2x^2 - 11x + 4
4 0
3 years ago
Read 2 more answers
-4x – 2y=-12<br> 4x + 8y=-24<br> Solve each system by elimination
kirza4 [7]

Answer:

x = 6 and y = - 6

Step-by-step explanation:

- 4 x - 2 y = -12.......equ No 1

 4 x +  8y = - 24.......equ No 2

Adding equ No 1 and equ No 2

6 y = - 36

∴ y = - 6

substitute y = - 6 in equ No 2

4 x + 8 y = -24

4 x + 8 ×( -6) = - 24

4 x - 48 = -24

4 x = -24 + 48

4 x = 24

∴ x = 6

x = 6 and y = - 6

7 0
3 years ago
A convenient store has 8 different types of drinks and 12 types of chips. How many different drink and chip combinations are pos
Alex

Answer:

24


Step-by-step explanation:


5 0
3 years ago
What is the value of x in the equation 4x + 8y = 40, when y = 0.8?
kherson [118]
You would substitute 0.8 in for y and to get the equation 4x+8(0.8)=40. Then, you would simplify and get 4x+6.4=40. Next you would isolate x by subtracting 6.4 from both sides and get the equation 4x=33.6 and then you would divide both sides by 4 to get x=8.4.

The answer is : x=8.4

7 0
3 years ago
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