falafronk

94 Questions
0 Answers

0

38

1

+359

Complex Numbers

Fill in the blanks with real numbers.
(11 - 7i)*(2 + i) = ___ + ___ i

falafronk Mar 20, 2024

0

30

1

+359

Complex Numbers

Fill in the blanks with real numbers.
(11 - 7i) + (2 + i) = ___ + ___ i

falafronk Mar 20, 2024

0

20

1

+359

Median

In triangle $ABC$, $AB = 7$, $AC = 15$, and the length of median $AM$ is $7$. Find the area of triangle $ABC$.

falafronk Mar 18, 2024

0

34

1

+359

Rhombus

If the area of a rhombus is 20 square inches and one of its diagonals is 10 inches, what is the length, in inches, of the other diagonal?

falafronk Mar 18, 2024

0

38

0

+359

Trapezoid

In the trapezoid $ABCD$, $\overline{AB}$ is parallel to $\overline{CD}$, $AB = \frac{2}{5} CD$, and point $P$ lies on $\overline{AB}$. What is the ratio of the area of triangle $DPC$ to the area of trapezoid $ABCD$? Express your answer as a common frac read more ..

falafronk Mar 18, 2024

0

24

1

+359

Trapezoid

Given an isosceles trapezoid with bases of 8 and 18 and an area of 120 square units, what is the number of units in the length of one of the non-parallel sides?

falafronk Mar 18, 2024

0

31

0

+359

Area

In trapezoid $ABCD$ segments $AB$ and $CD$ are parallel. Point $P$ is the intersection of diagonals $AC$ and $BD$. The area of $\bigtriangleup PAB$ is $16$ square units, and the area of $\bigtriangleup PCD$ is $16$ square units. What is the area of trapezoid read more ..

falafronk Mar 18, 2024

0

14

1

+359

help coordinates

Determine the area in square units of parallelogram $ABCD$ with vertices $A (-6, 2)$, $B (12, 2)$, $C (12, -2)$ and $D (-6, -2)$.

falafronk Mar 18, 2024

+1

26

2

+359

Parallelogram

The coordinates of three vertices of a parallelogram are $(-3,1)$, $(5,-2)$, and $(0,0)$. Find the sum of the coordinates of the fourth vertex which is in the third quadrant.

falafronk Mar 18, 2024

0

39

0

+359

Parallelogram

The diagonals of a parallelogram have lengths 82 cm and 44 cm. One altitude is 16 cm long. What is the smallest possible area of the parallelogram?

falafronk Mar 18, 2024