![sharondacarruth7853](/avatars/32402.jpg)
sharondacarruth7853
14.01.2021 •
Mathematics
Define convex and concave polygon.
2. Solve 15x – 8 x=13
3. Convert 3: 5 to percentage.
4. One card is drawn at random from a well-shuffled deck of 52cards. Find the
probability that the card drawn is a queen.
5. Add 6a+8b-5c , 2b+c-4a and a-3b-2c
SECTION- B (2X5=10)
6. Find the product of (3x2
+y2
) by (2x2
+3y2
)
7. On selling a fan for Rs810, Sunil gains 8%. .For how much did he purchase it ?
8. Two adjacent angles of a parallelogram are as 2:3. Find the measure of each of
its angles.
9. Subtract 3a(a+b+c) – 2a(a-b+c) from4a(-a+b+c)
P. Ex/Gr-8-Maths/2020-21/Page 2 of 3
10. Solve
+ 1 =
SECTION-C (3x5 = 15)
11.Find the product using suitable identity
i) 9992
ii)197 x 203 iii)532
-432
12. i)Find the SP when CP = Rs1650 and gain % =4%
ii) Find the CP when SP= Rs1596 and gain%= 12%
13. Find the product using suitable identity
i) (3x+2y) (3x -4y)
ii) (2a - b)2
iii) (3a+b) (3a-b)
Solved
Show answers
More tips
- C Computers and Internet Dynamically Assigned IP Address: What Is It and How Does It Work?...
- H Health and Medicine Angina: Causes, Symptoms, and Treatment...
- C Computers and Internet How to Learn to Type Fast?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- S Style and Beauty How to braid friendship bracelets?...
- H Health and Medicine Mercury Thermometer Danger: What to do when a thermometer breaks?...
- F Food and Cooking Which Calamari Salad is the Most Delicious?...
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- H Health and Medicine What is Autism? Understanding the Basics of This Neurodevelopmental Disorder...
Answers on questions: Mathematics
- M Mathematics this is easy im lazy the pacific ocean has sixty-four million, one hundred eighty six thousand three hundred square miles how many miles is in the pacific standard form...
- M Mathematics Is it carbohydrate, lipid, protein, or nucleic acid? PLEASE HELP!!! LAST QUESTION AND IM STUCKK....
- M Mathematics The three cards below form a number pattern. The first two cards have been turned over to show their numbers.242What number could be on the 3rd card when it is turned over,and...
- M Mathematics Helo I need help i am failing in everything...
- M Mathematics The diagram shows a 9cm x 7cm rectangle based pyramid all the diagonal sides- TA TB TD are length 12cm work out angle TAC to one decimal place...
- M Mathematics Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. He spent a total of $47.65. Let m represent the number of magazines and b represent the...
- M Mathematics The activity center in Pine Bluffs apartments has two basketball courts. ify 9 8 2 6 5 4 3 2 Court A bod 0-9-8-7-6-5-4-3-2-19 56 WN Court B о -5 -61 -7 Which transformations...
- M Mathematics Need help on this please it would be very helpful...
- M Mathematics Which number not in scientific notation? 6x10^24 2.01x10^-2 1.3x10^-4 0.5x10^3...
- M Mathematics The ratio of the corresponding linear measures of two similar cans of vegetables is 3 to 4. The smaller can has a surface area of 288 square centimeters. Find the surface...
Ответ:
x
3
−
4
x
2
−
11
x
−
6
Step-by-step explanation: