maria051002camp
11.11.2019 •
Mathematics
If phone company needs to know how tall a cell tower is so i decide to use a 2 m pool and shadow cast by the sun as shown in the diagram below shadows and the point b what is the height of the tower
Solved
Show answers
More tips
- H Health and Medicine Simple and Effective: How to Get Rid of Cracked Heels...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
Answers on questions: Mathematics
- M Mathematics Help me!! Which point best represents 6/5? A point B B point C C point A D point D...
- M Mathematics The hypotenuse of right triangle abc is ac, and the hypotenuse of right triangle def is df. if points a, c, d, and fall lie on the same line, which of these statements...
- M Mathematics If i have 1000 dollars and use all of it to buy a lot of Pokemon card packs that cost 4.12$ each.How many packs will i have...
- M Mathematics Evaluate. round to the nearest tenth...
- L Law What are the major criminal law defenses?...
- G Geography The hot-spot-melting-through-lithosphere process forms lines of extinct volcanoes on the ocean floor, from youngest to oldest, ....
- M Mathematics I’ll mark you BRAINliest...
Ответ:
http://oi47.tinypic.com/27wr5eu.jpg
a. 14
b. 7
c. 8 <<<<<<my answer
d. 6
2. A phone company worker needs to know the height of a cell tower, so he decides to use a 3 m pole and shadows cast by the sun, as shown in the diagram. Both shadows end at point B. What is the height of the tower?
http://oi49.tinypic.com/2d1qouv.jpg
a. 30 m <<<<<<my answer
b. 36 m
c. 45 m
d. 50 m
3. What is the length of segment AD?
http://oi45.tinypic.com/sqs2g0.jpg
a. 3
b. 12
c. 15 <<<<<< my answer
d. 20
4.A pair of corresponding sides of two similar pentagons have lengths of 12 cm and 28 cm. What is the ratio of the areas of the two pentagons?
http://oi46.tinypic.com/2l9jvbn.jpg
Option A: 12/28 <<<<<my answer
Option B: 27/343
Option C: 28/12
Option D: 9/49
5. If a dilation transforms pre-image AEB to create image ADC, which is the proper term for point A?
http://oi45.tinypic.com/2n6u1s8.jpg
a. contraction point
b. center of dilation
c. scale factor <<<<<my answer
d. pre-image point
6. A pre-image segment with endpoints (2, -1) and (4, 2) is dilated to the image segment with endpoints (4, -2) and (8, 4). What is the scale factor for the dilation?
http://oi45.tinypic.com/6q9x5j.jpg
a. 2
b. 4<<<<my answer
c. 6
d. 8
7. The volumes of two similar solids are 20 cm^3 and 540 cm^3. Which is the ratio of the corresponding sides of the larger figure to the smaller figure?
a. 27
b. 9
c. 6
d. 3
8. On the coordinate plane, the origin is the center of a contraction with a scale factor of p. Which shows the coordinates of the image points for pre-image points (x, y)?
a. (p + x, p + y)
b. (x - p, y - p)
c. (px, py)
d. (p - x, p - y) <<<<<my answer
9. Two right triangles are similar. Which of the following must the similar triangles have?
a. every pair of sides congruent
b. congruent corresponding angles and proportional side lengths <<<<<my answer
c. at least one pair of congruent sides
d. an obtuse angle
10. The vertices of a pre-image are located at points (-3, 3), (0, 0), and (-2, -1). If the image triangle has vertices with coordinates (9, 9), (0, 0), and (-6, -3), what type of dilation is it?
a. expansion
b. contraction
c. reflection <<<<<my answer
d. rotation
11. The diagram shows a 76 m building with a flagpole outside. The shadows of the building and the flagpole end at point C. What is the height of the flagpole? http://oi50.tinypic.com/35lsyl2.jpg
5.68 m
12 m
14.25 m <<<<<<my answer
518 m
12. The side lengths of two different cubes are 36 cm and 45 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)? Note: These cubes are not drawn to scale.
http://oi46.tinypic.com/359yaom.jpg
Option A: 4/5 <<<<my answer
Option B: 12/15
Option C: 16/25
Option D: 64/125
13. Which of the following can be used to prove that the two triangles are similar?http://oi50.tinypic.com/2prbthz.jpg
SAA Similarity Theorem
SAS Similarity Theorem <<<<<my answer
SSA Similarity Postulate
ASA Similarity Postulate
There you go ;)
Ответ:
6.4 or 32/5 hope 8 halped