The question is in attached file.
Write each of the follwing sums in decimal form. a. 5(1/10)2+ 7(10)+ 3(1/10)5 (supposed to be exponent 2 and 5) b. 8(1/10)+ 3(10)3+ 9(1/10)2 (should be exp 3 and 2) c. 5(1/10)3+ 2(1/10)2+ (1/10)6 (should be exp 3,2,6)
show that there are exactly four distinct sets of integers which satisfy the equations:
decipher the following CFQGE KAZEMF ZMAGVMC NMO VYSV which was obtained by a formula of the type y=kx (mod 26)
Decoding a message encoded in a columnar transposition cipher.
Use columnar transposition cipher with keyword: Greek (keep e's in order), to decode the following message: VOESA IVENE MRTNL EANGE WTNIM HTMEE ADLTR NISHO DWOEH
Factor the following: a. 81a4- 16b4 (should be exponent 4) b. 12x2+ x- 35 (should be exponent 2)
Simplify the following expressions: a. 3x-2/2x2+x-3 Divide by 9x-6/2x-2 b.(108)1/2- (48)1/2+ (192)1/2 (should be exponent 1/2) c. (20x3+3x2-4x+5)/(4x2+3x-7) (should be exponent 3 and 2,2).
Business Mathematics/problem solving
Joe's Sporting Goods store sold 25 cans of tennis balls last Friday some at $3.00 each, and the rest at $2.00 each. If the store's sales for the tennis balls totaled $60.00, how many cans of each were sold?
Determine if the point (-5, 4/5) falls on the line passing through the points (-2,-1) and (3,-4).
Solve for x,y,z in: 3x-y-z= -1/2 2x+y+4z=0 4x+3y+5z=6