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Brut [27]
2 years ago
7

Which expression represents 6 less than a number?

Mathematics
2 answers:
melamori03 [73]2 years ago
5 0

Answer:

6<

Step-by-step explanation:

Maksim231197 [3]2 years ago
3 0

Answer:

It's x-6

Hope this helps

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SIMPLIFY THIS EXPRESSION:<br> 2(z + 3) + 3(5 - 3z)
quester [9]
2z+6+15-9z
-7z+21

Hope this helps
6 0
3 years ago
Factor the trinomial x^2-5x-6
sasho [114]

Answer: (x - 6)(x + 1)

Step-by-step explanation: This trinomial has an x² term, an x term and a constant term so it can be factored as the product of two binomials.

So starting with our two sets of parentheses, x² factors as x multiplied by x. Now we want to find factors of the constant term that add to the coefficient  of the middle term. So we're looking for factors of -6 that add to -5.

A negative number factors into the product of a positive and a negative. So our factors of -6 are 6 × -1, -6 × 1, 3 × -2, or -3 × 2.

This is a trick problem because many of these pairs of factors look like they could add to -5 but the only one that does is -6 × 1.

So our answer is (x - 6)(x + 1).

7 0
3 years ago
4(4x+1)= 3x-4(6-x) + 8
Schach [20]

Answer:

x=-20/9

Step-by-step explanation:

4(4x+1)=3x-4(6-x) +8

16x+4=3x-24+4x+8

16x-3x-4x=8-4-24

9x=-20

x=-20/9

7 0
2 years ago
Read 2 more answers
If(a-b) =4 and ab=2,find the value of a^2+b^2
AURORKA [14]

Answer:

a² + b² = 20

Step-by-step explanation:

Given

(a - b) = 4 ← square both sides

(a - b)² = 4²

a² - 2ab + b² = 16 ← substitute ab = 2

a² - 2(2) + b² = 16

a² - 4 + b² = 16 ( add 4 to both sides )

a² + b² = 20

6 0
2 years ago
Write a real word problem that can be solved using the equation 5x=3x+20
igor_vitrenko [27]
Andy and Diana both got some pocket money from their aunt.

Andy spent all his money on collector's coins, he bought 5 of them.

Diana bought 3 of such coins, and she brought home 20 dollars of change.

after they came home their sister said "hah! I bet you I can find out how much each coin costs even if you don't tell me how much money your aunt gave you, if she gave  you both the same amount!"

So, how much does each coin cost?
8 0
2 years ago
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