How to divide a whole number by a whole number, keep change flip? example 3 divided by 6.

Mathematics

1 answer:

adell [148]3 years ago

7 0

Answer:

Step-by-step equation

Divide the whole numbers and check the answer using multiplication identify and apply to division properties of one identify and apply the division properties of zero use Long division algorithm to divide digit numbers Gentefied the divisor and remainder in a division problem

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A price is decreased from £800 to £640. Calculate the percentage change.

Anni [7]

There is a decrease of 20% from ÂŁ800 to ÂŁ640.

A change from 800 to 640 represents a negative change (decrease) of -20% Using the formula :

Percent change = [(800 - 640) / 800] x 100 = -20 % (decrease)

800 is the old value and 640 is the new value. In this case we have a negative change (decrease) of -20 percent because the new value is smaller than the old value.

6 0

3 years ago

Read 2 more answers

Find the angel x in d diagram above with a well structured solution. Thanks

Tom [10]

Step-by-step answer:

Please refer to attached image.

1. Quad PQRS is cyclic (all vertices on the same circle), so opposite angles are supplementary, meaning

that

angles QPS and QRS are supplementary =>

QPS+QRS=180 =>

QRS = 180 - 74 = 106

2. Triangle RSQ is isosceles with RS=RQ =>

angles RSQ and RQS are congruent.

3. Angle RSQ = (180 - 106) /2 = 74 / 2 = 37

4. QP is a diameter => angle QSP is a right-angle.

5. From (3) and (4) above,

angle RSP = 37+90 = 127

6. Since PQRS is cyclic, angles RQP and RSP are supplementary =>

RQP+RSP = 180 =>

x + 127 = 180 =>

x = 180 - 127 = 53 degrees.

5 0

3 years ago

Writing an equation of a probably given the vertex and focus

White raven [17]

The equation of the vertical parabola in vertex form is written as

$y=\frac{1}{4p}(x-h)^2+k$

Where (h, k) are the coordinates of the vertex and p is the focal distance.

The directrix of a parabola is a line which every point of the parabola is equally distant to this line and the focus of the parabola. The vertex is located between the focus and the directrix, therefore, the distance between the y-coordinate of the vertex and the directrix represents the focal distance.