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lidiya [134]
2 years ago
8

Anyone? please help asap i really want to finish this

Mathematics
1 answer:
Nesterboy [21]2 years ago
8 0

Answer:

Question 3: b \geq 2

Question 4: r < -5

Question 5: y \leq -6

Step-by-step explanation:

Question 3:

b + 2 \geq 4\\b + 2  -2 \geq 4 - 2\\b \geq 2\\

Question 4:

13 > 18 + r\\13 - 18 > 18 -18 + r\\\\-5 > r\\ r < -5sign flips when r switches sides

Question 5:

3y \leq 2y - 6\\3y - 2y \leq 2y - 2y - 6\\\\y \leq - 6\\

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3 years ago
What is 30% of 8 cups?
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Answer:

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Step-by-step explanation:

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\bold{METHOD\ 2:}\\\\\begin{array}{ccc}100\%&-&8\ cups\\\\30\%&-&x\end{array}\qquad\text{cross multilpy}\\\\100x=(30)(8)\\\\100x=240\qquad\text{divide both sides by 100}\\\\\dfrac{100x}{100}=\dfrac{240}{100}\\\\x=2.4

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