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9 Questions
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10

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+36

Algebra

Simplify the expression
\frac{3}{\sqrt{2}} + \frac{1}{\sqrt{18}} - \frac{6}{\sqrt{3}} + \frac{9}{\sqrt{2}}

dpIostthegame Jun 4, 2024

0

9

1

+36

Algebra

Let $r$ and $s$ be the roots of $2x^2 + 5x - 13 = x^2 - 4x + 7.$ Find $r^2 + s^2.$

NotThatSmart ●

dpIostthegame Jun 4, 2024

0

9

1

+36

Geometry

The measure of the second angle of a particular triangle is $10^{\circ}$ more than twice the measure of the first angle and the measure of the third angle is $10^{\circ}$ less than three times the measure of the second angle. In degrees, what is the measure read more ..

dpIostthegame Jun 4, 2024

0

13

0

+36

Geometry

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?

dpIostthegame Jun 4, 2024

0

6

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+36

Geometry

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.

dpIostthegame Jun 4, 2024

0

7

1

+36

Geometry

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

dpIostthegame Jun 4, 2024

0

13

0

+36

Geometry

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 ..

dpIostthegame Jun 4, 2024

0

3

1

+36

Geometry

An isosceles triangle has side lengths $8$ cm, $10$ cm and $10$ cm. The longest side of a similar triangle is $20$ cm. What is the perimeter of the larger triangle, in centimeters?

dpIostthegame Jun 4, 2024

0

9

0

+36

Help geometry

Two cross sections of a right hexagonal pyramid are obtained by cutting the pyramid with planes parallel to the hexagonal base. The areas of the cross sections are $216\sqrt{3}$ square feet and $200$ square feet. The two planes are $4$ feet apart. How far read more ..

dpIostthegame Jun 4, 2024