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Skykeeper42
Имя пользователя
Skykeeper42
Гол
64
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Вопросов
12
ответы
2
13 Questions
2 Answers
+1
643
2
+64
please help
The consecutive angles of a particular trapezoid form an arithmetic sequence. If the largest angle measures $120^{\circ}$, what is the measure of the smallest angle?
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Skykeeper42
1 мая 2021 г.
+1
382
1
+64
Pls help me
The vectors $\mathbf{a},$ $\mathbf{b},$ and $\mathbf{c}$ satisfy $\|\mathbf{a}\| = \|\mathbf{b}\| = 1,$ $\|\mathbf{c}\| = 2,$ and \[\mathbf{a} \times (\mathbf{a} \times \mathbf{c}) + \mathbf{b} = \mathbf{0}.\]If $\theta$ is the angle between $\mathbf{a}$
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Skykeeper42
25 апр. 2021 г.
+1
487
3
+64
Please help!
In the figure below, $ABCD$ is a parallelogram, $AD=18$ and $DC=27$. Segments $\overline{EG}$ and $\overline{FH}$ are perpendicular to sides of the parallelogram as shown, and $EG=16$. What is the area of the parallelogram?
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Skykeeper42
11 апр. 2021 г.
+2
719
2
+64
Please help me!
A sheet of 8-inch by 10-inch paper is placed on top of a sheet of $8 \frac{1}{2}$-inch by 11-inch paper, as shown. What is the area of the region of overlap in square inches?
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Skykeeper42
7 апр. 2021 г.
+1
388
1
+64
Please Help
The length of the segment between the points $(2a, a-4)$ and $(4, -1)$ is $2\sqrt{10}$ units. What is the product of all possible values for $a$?
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Skykeeper42
7 апр. 2021 г.
+2
597
1
+64
Geometry Question
Two identical rectangular crates are packed with cylindrical pipes, using different methods. Each pipe has diameter 10 cm. A side view of the first four rows of each of the two different methods of packing is shown below.
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Skykeeper42
7 апр. 2021 г.
+1
484
4
+64
Typo??
When you are about to post it says "I'am not a robot". Should it be "I am" or "I'm"??
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Skykeeper42
7 апр. 2021 г.
+1
554
3
+64
Please Help me!
Two liters of a 30% acid solution are mixed with three liters of a 20% acid solution. What percent of the mixture is acid?
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Skykeeper42
7 апр. 2021 г.
+1
594
2
+64
Please Help!
Arc $AC$ is a quarter-circle with center $B$. The shaded region $ABC$ is "rolled" along a straight board $PQ$ until it reaches its original orientation for the first time with point $B$ landing at point $B^{\prime}$. If $BC = \frac{2}{\pi}$ cm, what is
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Skykeeper42
7 апр. 2021 г.
0
493
1
+64
PLEASE HELP!
Given that the point $(9,7)$ is on the graph of $y=f(x)$, there is one point that must be on the graph of $2y=\frac{f(2x)}2+2$. What is the sum of coordinates of that point?
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Skykeeper42
6 апр. 2021 г.
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The answer was posted here:
https://web2.0calc.com/questions/please-help_40910
Skykeeper42
2 мая 2021 г.