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miskamm [114]
3 years ago
5

5b ≤ −15 solve the inequality for b.

Mathematics
2 answers:
emmasim [6.3K]3 years ago
6 0
Get the b all alone on one side of the inequality. To do this, we can divide both sides by 5.

5b / 5 ≤ -15 / 5
b ≤ -3

So, that means b has to be less than or equal to -3.

In interval notation it would look like [-3, -∞)

In a set builder notation: {x | x ∈ R, x ≤ -3}

Which is read as the set of all x, such that, x is a member of the real numbers and x is less than or equal to -3.
mafiozo [28]3 years ago
3 0
5b≤-15
Divided 5 for both side
5b/5≤-15/5
b≤-3. As a result, b≤-3. Hope it help!
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Shalnov [3]
Hello,
well done.
As x^3-7x²-9x+63=(x-3)(x+3)(x-7) we must have x>3 and x>-3 and x>7 thus x>7

Explanations:
x^3-7x²-9x+63=x^3-9x+(-7x²+63)=x(x²-9)-7(x²-9)=(x²-9)(x-7)=(x+3)(x-3)(x-7)

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3 years ago
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Mamont248 [21]

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Multiple answers (Work & answers below)

Step-by-step explanation:

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3 years ago
Haseena bought 1 pencil box, 4 pencils and 4 notebooks from a store. She paid Rs. 95 in all. Some ink fell on the bill that she
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The price of the one notebook will be Rs. 10.6

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If Haseena bought 1 pencil box, 4 pencils and 4 notebooks from a store, with a total of Rs. 95 paid in all, then;

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Learn more on ratio here: brainly.com/question/20346769

8 0
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