A hiker walked for two days. On the second day, the hiker walked at an average speed of 1 mile per hour faster than he did on the first day. If during the two days he walked a total of 64 miles and spent a total of 18 hours walking, which of the following could be his average speed (in miles per hour) on the first day? (A) (B) 1+

Q: -|5(-2)+2|+|3(3)+2(-4.2)|

A:

Q: what is 1/2x+36=1/4x+72

A:

Q: (b) 12> 5х- 3>-7 |

A: Given :- 12≥ 5x-3>-7 To find:- Solution of given inequality

Q: | 2t + 5 | = 4

A: Given: 2t+5=4 Formula Used: u=a,a>0⇒u =a or u=-a

Q: (-9) + |(-1)| - 9 - 3) - 2

A:

Q: Simplify (1+x)(1+x²)(1 – x + x²) in descending order

A: the given expression is1+x1+x21-x+x2

Q: There's no -x+1/y-3 in the answers

A:

Q: x = [?] 2x + 9 8x + 1

A:

Q: how do I get r - 1 = 3?

A: Given: fx=xex2+1 The iterative sequence for the root of this equation using Newton's method is…

Q: find (2n +1)! = 120

A: Here we have to find the value of n.  2n+1!=120

Q: b. (6-x)(2 + x)

A:

Q: (x+8)2=7

A: Given: (x+8)2=7

Q: -1/2(6p+16)=7

A: -1/2(6p+16)=7

Q: - - simplify the following: 3(6-x) + 4(2x − (m — 2))

A: Use the given information.

Q: (2+1) x (9-?)=12

A: Just try to simplify and that's easy.

Q: Find the error in the following work. D, x*(2x) - (x - 4)(3x?) = 2x* - 3x + 12x? = -x* + 12x?

A: The symbol Dx is the symbol of the derivative. Hence differentiation of the function helps to…

Q: If (n, 15) = 1 and o(n) = 56, find o (75n).

A: Given: n, 15=1 and σn=56.To find: σ75n

Q: |x - 9| = -x + 13

A: x-9=-x+13

Q: 5/4(x+8)+1/4x=-9

A: here we have to solve ,  -54(x+8)+14x=-9

Q: x - 1000 = (x. (x² + 10x

A:

Q: 4(x+3) -1=7

A:

Q: x-2.5)⁴ + ( x- 1.5)⁴ = 1 in Real Numbers

A:

Q: (I + 2A)~1 = [ 1 4 5-

A:

Q: 2(3w+8)=40

A:

Q: |4x +7| -6 = 18

A: Given that,        4x+7-6=18

Q: How do you decide that k is greater than or equal to 2, and k+1 is greater than or equal to 3?

A:

Q: |n+7|-10= -9

A:

Q: (b) Simplify, 2n > (5r + 2) r=1

A: See the detailed solution below.

Q: what's 1+1

A: 1+1=2