3 divided by 1/4 and 4 divided by 3/4 please help

Mathematics

2 answers:

PtichkaEL [24]3 years ago

8 0

Answer:

See explanation below

Step-by-step explanation:

<u>3 divided by 1/4 equals 12</u>

Flip 1/4 to get 4, then multiply that by 3 to get 12.

<u>4 divided by 3/4 = 16/3</u>

Flip 3/4 to get 4/3, then multiply that by 4 to get 16/3

Sunny_sXe [5.5K]3 years ago

3 0

Answer:

16/3

Step-by-step explanation:

When dividing by a fraction, you can multiply by its reciprocal.

This can be remembered easily using the mnemonic "keep, change, flip" where you keep the first fraction (in this case, 3/1), change the sign of the operator (from division to multiplication) and flip the second fraction (in this case 1/4 into 4/1). Thus 3 / 1/4 = 3/1 x 4/1 = 12/1 = 12

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The diagram shows a circle centre O work out the size of angle X work out the size of angle y

bagirrra123 [75]

Answer:

x = 116° , y = 20°

Step-by-step explanation:

Since, measure of angle subtended on the center of the circle is twice the measure of angle subtended on the circumference of the circle.

$\therefore \: x = 2 \times 58 \degree \\ \huge \red{ \boxed{ \therefore \: x =116 \degree}} \\ \\$

Now, by angle sum property of a quadrilateral.

$y + (360 - 116) \degree + 38 \degree + 58 \degree = 360 \degree \\ y + 244 \degree + 96 \degree = 360 \degree \\ y + 340 \degree= 360 \degree \\ y = 360 \degree - 340 \degree \\ \huge \purple{ \boxed{ y = 20 \degree}}$