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Yakvenalex [24]
2 years ago
9

Someone please help me!!!​

Mathematics
1 answer:
ad-work [718]2 years ago
5 0

Answer:

thats easy you don't need help

Step-by-step explanation:

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Help the question says "Solve -2b – 12 = 22" and the answers are
zmey [24]

Answer:

b = -17

Plug it in to find maybe correct answer if not sure next time.

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(8x+5)+(4x-3) what is that equal to
Anna [14]

Answer:

12x + 2

Step-by-step explanation:

To find what the expression equals, you can collect like terms. This means to do the operations (add or subtract) the numbers that have the same variables.

(8x + 5) + (4x - 3)        Remove brackets to add a binomial (2-term brackets)

= 8x + 5 + 4x - 3        Collect like terms

= 8x + 4x + 5 - 3        I rearranged so you can see which terms are alike

= 12x + 5 - 3        Collected like terms with "x" (8x + 4x = 12x)

= 12x + 2        Collected like terms with no variables (5 - 3 = 2)

Therefore (8x + 5) + (4x - 3) is equal to 12x + 2.

If you want, you can also find another equal expression by factoring. Since "12x" and "2" are both divisible by the factor 2, you can <em>take it out</em> and put the other numbers in a bracket.

12x + 2

= 2(12x/2 + 2/2)

= 2(6x + 1)        This is equal, but in factored form.

6 0
3 years ago
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Explain how you can determine whether or not a number is rational
Darina [25.2K]
The easiest way to tell if a number is rational or not is to attempt to express it as a fraction. If you can, then the number is rational. If not, then the number is irrational. All integers are rational numbers, because they can be written as a fraction (for example, the integer 8 = 8/1). But numbers like pi or sqrt(2) cannot be written as a fraction and are not rational.
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Flauer [41]

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Step-by-step explanation:

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2 years ago
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The square pqrs is shown.
ira [324]

Answer:

1:1

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The ratio would be 1:1 since it's a square, the sides will always be the same. In a square ,all sides are the same length. If they are not, then it wouldn't be a square.

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2 years ago
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