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3 years ago

The grade six pupils decided to have an income generating project. They make

Mathematics

1 answer:

lara31 [8.8K]3 years ago

8 0

Answer:

c. P 2.40

Step-by-step explanation:

P 100 spent, 50 pieces made. Therefore P2 a piece. 20% of P2 is .40. Therefore total is 2 + .40 = P2.40

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What is the solution set of (3x - 1)^2 = 5?<br><br><br> HEEEELLLLLLLLLLLPPPPPPPPP

babunello [35]

*I'll be keeping the solutions in exact form*

So firstly, square root both sides. This will split the equation into two:

$3x-1=\sqrt{5} \\ 3x-1=-\sqrt{5}$

Next, add 1 on each side: $3x=\sqrt{5}+1 \\ 3x=-\sqrt{5}+1$

Next, divide 3 on both sides, and your answers will be $x=\frac{\sqrt{5}+1}{3},\frac{-\sqrt{5}+1}{3}$

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sin (t) > 0 and cos (t) < 0 only in Quadrant II

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A school group is helping plant a new city garden. Today they used 12 1/2 pounds of potting soil and planted 2/5 of the garden.

Len [333]

Answer:

$18\frac{3}{4}$ pounds.

Step-by-step explanation:

Let x be the total amount of potting soil needed to complete the planting in new garden.

We are told that a school group is helping plant a new city garden. Today they used 12 1/2 pounds of potting soil and planted 2/5 of the garden. This means 2/5 of x equals to 12 1/2.

$\frac{2}{5} x=12\frac{1}{2}$

$\frac{2}{5} x=\frac{25}{2}$

$x=\frac{25}{2}\times\frac{5}{2}$

$x=\frac{125}{4}$

To find the amount of soil needed for the next of planting we will subtract the amount of potting soil used on the first day $(\frac{25}{2})$ from amount of total potting soil $(\frac{125}{4})$ .

$\text{Amount of potting soil needed for second day}=\frac{125}{4}-\frac{25}{2}$

$\text{Amount of potting soil needed for second day}=\frac{125}{4}-\frac{25\times 2}{2\times2}$

$\text{Amount of potting soil needed for second day}=\frac{125}{4}-\frac{50}{4}$

$\text{Amount of potting soil needed for second day}=\frac{75}{4}$

$\text{Amount of potting soil needed for second day}=\frac{75}{4}=18\frac{3}{4}$

Therefore, the group will need $18\frac{3}{4}$ pounds of potting soil to finish their work.

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3 years ago