Math, asked by urvashiurvashi40, 3 months ago

If a=2 find the value of 5a sq.-2a -7

Answers

Answered by shivpratapsingh803

1

Answer:

9

Step-by-step explanation:

5×22-2×2-7

20-4-7

20-11

=9

Previous Question

Next Question

Similar questions

English, 1 month ago

negative number of -20? aanswer...

Physics, 1 month ago

a train 150 m long is running at a uniform speed of 90 km/hr . Find :- the time taken by it to cross a man standing on the platform.

Math, 1 month ago

Find the ratio of (a) 40 minutes to 1 hour...

Science, 3 months ago

Which one is not an artificial satellite?

Science, 3 months ago

o) While choosing a material for a window pane, what property of the material should be kept in appearance dness mind? I solubility Il conductivity III, transparency iv, hardness...

Math, 10 months ago

Two sides of a triangle are of length 5 cm and 12 cm. If its perimeter is 30 cm. The area of triangle is...

Math, 10 months ago

Sec6A-tan6 A = 1+3 sec²A -tan2A...

Math, 10 months ago

14. A motor car cover's a certain distance at 70 km/h and comes back to the starting point at 60 km/h. Find his average speed during the total journey.