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Mathematics

2 answers:

MA_775_DIABLO [31]3 years ago

8 0

Answer:

Step-by-step explanation:

Snowcat [4.5K]3 years ago

4 0

there doesn't exist an example of Rational and Irrational Numbers whose product is Rational, except when an Irrational Number is multiplied by 0, which results in 0, a Rational Number.

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The parallelograms below are similar.

Alexxx [7]

9514 1404 393

Answer:

AB = 4

∠E = 30°

Step-by-step explanation:

Side AD is 4 times the length of corresponding side EH, so we expect side AB to be 4 times the length of side EF.

AB = 4·EF = 4·1

AB = 4

Angle E will have the same measure as corresponding angle A.

angle E = 30°

8 0

3 years ago

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 $(\frac{125}{4})$ .