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zubka84 [21]
2 years ago
12

What is 13x+2-17=11

Mathematics
1 answer:
zhannawk [14.2K]2 years ago
7 0

Answer:

Pretty sure x = 2

Step-by-step explanation:

If not, shoot me. Why not.

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henry has 68 miles to destination after 45 minutes and 51.5 miles to destination after 71 minutes of driving. How many miles to
Airida [17]
Let d represent the distance of the destination from the starting point.

After 45 min, Henry has already driven d-68 miles.  After 71 min., he has already driven d-51.5 miles.

So we have 2 points on a straight line:

(45,d-68) and (71,d-51.5).  Let's find the slope of the line thru these 2 points:

                                 d-51.5 - (d-68)         16.5 miles
slope of line = m = ----------------------- = ------------------
                                     71 - 45                   26 min

Thus, the slope, m, is   m = 0.635 miles/min

The distance to his destination would be d - (0.635 miles/min)(79 min), or 

d - 50.135 miles.  We don't know how far his destination is from his starting point, so represent that by "d."

After 45 minutes:  Henry has d - 68 miles to go;

After 71 minutes, he has        d - 51.5 miles to go; and

After 79 minutes, he has         d -  x miles to go.  We need to find x.

Actually, much of this is unnecessary.  Assuming that Henry's speed is 0.635 miles/ min, and knowing that there are 8 minutes between 71 and 79 minutes, we can figure that the distance traveled during those 8 minutes is

(0.635 miles/min)(8 min) = 5.08 miles.  Subtracting thix from 51.5 miles, we conclude that after 79 minutes, Henry has (51.5-5.08), or 46.42, miles left before he reaches his destination.




7 0
3 years ago
Solve this problem please!!
zavuch27 [327]

if I know how to do this I this it's y27 oh I know I wrong But it was worth a try right

Step-by-step explanation:

idffffk

7 0
3 years ago
Simplify: 3[(5-2)3 + 4]
avanturin [10]

Answer:

39

Step-by-step explanation:

1. Subtract the numbers ... 3(3×3+4)

2. Multiply the numbers ... 3(9+4)

3. Add the numbers ... 3×13

4. Multiply the numbers ... 39

6 0
2 years ago
How do you solve #13
joja [24]
I have no idea sorry i figure it out brb
6 0
3 years ago
Write the explicit formula for this geometric sequence: 8, -8, 8, -8, ...
Annette [7]
A2=a1*(-1)=8*(-1)= - 8
a3= (-8)* (-1)= 8
.....................................
a(n)= a(n-1)* (-1)
5 0
2 years ago
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