purplepig12
21.09.2019 •
Mathematics
20). tasha is planning an expansion of a square flower garden in a city park. if each side of the original is increased by 7m, the new total area of the garden will be 144m^2. find the length of each side of the original garden.
a) 19m
b) 12m
c) 5m
d) square root 5m
21). the area of the playground is 255 yd^2. the width of the playground is 2 yards longer than its length. find the length and width of the playground.
a) length = 17yd, width = 15yd
b) length = 17yd, width = 30yd
c) length = 15yd, width = 17yd
d) length = 30yd ,width = 17yd
Solved
Show answers
More tips
- O Other Discovering the Funniest Joke Ever Told...
- F Food and Cooking How to Make Napoleon Cake: A Step-by-Step Guide...
- F Food and Cooking From Latte to Espresso: Which Coffee Drink is the Most Popular on Earth?...
- C Computers and Internet How to Set Up Internet on iPhone? Detailed Guide with Step-by-Step Instructions...
- F Family and Home How to Teach Your Child to Speak: Tips and Recommendations...
- P Philosophy Agnosticism: Opinion or Belief?...
- S Style and Beauty How to choose the best mascara for your eyelashes...
- F Food and Cooking Discover Delicious Recipes You Can Make with Ground Meat...
- C Computers and Internet Google Search Tips and Tricks: Everything You Need to Know...
- S Science and Technology Why is there no gravity on other planets?...
Answers on questions: Mathematics
- M Mathematics Ill give brainliest if you help me + 20 points :)...
- H History Match the Scripture references with five people who are known for their unfaithfulness. 1. Balaam 2. Saul 3. Judas 4. Achan 5. Cain a) Numbers 22:5-41 b) 1 Samual 13:5-14 c) John...
- M Mathematics Identify the correct two-column proof. Given: WXYZ is a parallelogram. Prove: m∠W+m∠Z=180° The figure shows parallelogram W X Y Z. 1. WXYZ is a parallelogram. (Given)2. WX⎯⎯⎯⎯⎯⎯∣∣∣∣ZY⎯⎯⎯⎯⎯...
- M Mathematics BRAINLEST 5 STARS AND TJANKED JUST GET THIS RIGHT ANG GET EVERYTHING! If wrong I you will be reported!...
- M Mathematics Mrs.rissoto filled her daughters plastic swimming pool with water .the water level in the pool changed by -8 gallons each hour due to a small hole in the bottom of the pool.after...
Ответ:
12=x+7 subtract 7 from both sides...
x=5
So the original was a 5m square.
...
255=WL and you are told that W=L+2 so the equation becomes:
255=(L+2)L
255=L^2+2L
L^2+2L-255=0
L^2+17L-15L-255=0
L(L+17)-15(L+17)=0
(L-15)(L+17)=0 Since L>0...
L=15yd, and since W=L+2, W=17yd so
length=15, width=17yd
Ответ:
The 2 triangles CAB and ADC are right-angled ( given).
The hypotenuse AC is common to both triangles.
The 2 legs AB and DC are congruent (given).
So they are congruent By HL.