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3 years ago

Find the area of this pentagon

Mathematics

1 answer:

Nikolay [14]3 years ago

8 0

Answer:

A≈61.94

Just plug it into a calculator

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Square ABCD was translated using the rule (x, y) → (x – 4, y + 15) to form A'B'C'D'. What are the coordinates of point D in the

Vitek1552 [10]

Answer:

D = (13, - 23 )

Step-by-step explanation:

Given the translation rule

(x, y ) → (x - 4, y + 15 )

To go in the reverse direction, that is image to original, then, reverse the operations in the translation rule.

(x , y ) → (x + 4, y - 15 ) , thus

D'(9, - 8 ) → D(9 + 4, - 8 - 15 ) → D(13, - 23 )

3 0

2 years ago

Read 2 more answers

The point slope form of the equation of the line that passes through -5, -1 and 10, -7 is Y +7=

MrMuchimi

Answer:

e standard form of a line is in the form Ax + By = C where A is a positive integer, and B, and C are integers. The standard form of a line is just another way of writing the equation of a line.

Step-by-step explanation:

6 0

3 years ago

What is an equation of the line that passes through the points (-6, -3) and<br> (-3, -5)?

RUDIKE [14]

find the gradient = change in y/change in X

-5 - -3/-3 - -6

= -2/3

take any two point say -3,-5 and equate to the gradient

Y - 5 /X - 3 = -2/3

cross multiply

3y - 15 = -2x + 6

3y = -2x +6 + 15

3y = -2x + 21

y = -2/3x +7

7 0

3 years ago

What is a unit? * what is a unit? a process used to convert units and rates using a conversion factor and multiplication a quant

Dominik [7]

Answer:

C. a quantity used as a standard measurement

Step-by-step explanation:

A unit is a universally acceptable system of measurement. The system is majorly referred to as the international standard of units i.e (SI) units.

Since physical quantities could be categorize as either fundamental or derived. The use of units in measurement is very essential, because it relates the magnitude measured to the physical quantity.

The units of measurement tells what physical quantity has been measured.

8 0

3 years ago

the mean of a set of five numbers is 3k. when a sixth number is added to the set, the mean increases by k. what is the ratio of

Strike441 [17]

Let’s call the sum of the set of five numbers S and the sixth number N. We know the mean of the set of five numbers is 3k, so we can write the equation S/5 = 3k or S = 15k. When we add the sixth number the mean increases by k, so we can write the equations (S + N)/6 = 4k or S + N = 24k. Using S = 15k, we find that N = 9k. The ratio of the sixth number to the sum of the set of five numbers is therefore N/S = 9k/15k = 3/5.

4 0

2 years ago