Answer:
Step-by-step explanation:
12 multiplied by 9 is 108. That gives us the square. The triangle base is 9. The height is 7. 7 multiplied by 9 is 63. 63 divided by 2 is 31.5. 108 add 31.5 is 139.5 cm squared.
Answer:
Multiply numerator and denominator with same number to gwt the answers . There are infinitely many numbers
3/10 × 2/2 = 6/20
3/10 × 5/5 = 15/50
3/10 × 10/10 = 30/100
And so on
integral of e^x (sinx +cosx)= e^x sin x + c
Answer:

Step-by-step explanation:
four-fifth means 4/5 .
we let the amount of the money to be x.
so four-fifth of money =4/5 of x.
twenty Five more than three tenth of the initial amount means 25+3/4 of x.
the equation becomes

You can put the -4 and -9 together and put it at the end to make the new sequence 4-13 which would leave you with -9