3 years ago

Solve and graph 5b-1≥-11

Mathematics

1 answer:

Alexus [3.1K]3 years ago

5 0

B is greater than or equal to -2.

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The number 0.8 can be written as 8/10, so it is an irrational number? true or false

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What is 5(4+8c) Need Help

zysi [14]

Answer:

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Step-by-step explanation:

$5(4+8c)$

Expand

$5\times 4 = 20\\5 \times 8c = 40c$

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nata0808 [166]

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Answer:

Step-by-step explanation:

Given the equation $\frac{1}{3}(x+9) = -12$

Step 1;

Expand the bracket at the right hand side of the equation to have:

$\frac{1}{3}x +\frac{1}{3}(9) = -12\\\frac{1}{3}x+3=-12\\subtracting\ 3\ from\ both\ sides\\\frac{1}{3}x+3-3=-12-3\\\frac{1}{3}x=-15\\$

Taking the reciprocal of both sides:

$\frac{3}{x} = \frac{-1}{15} \\ cross\ multiplying\\-x =45\\x=-45$

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Step-by-step explanation:

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