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MAVERICK [17]
3 years ago
8

Need Help with 44.. picture above

Mathematics
1 answer:
Daniel [21]3 years ago
8 0

Answer:

Ok:

Step-by-step explanation:

I see that you set up 90 miles = 60 mph * t, where you found out that t = 1.5. What what you needed to do was set 180 miles = 45 mph * t. This is because it is 45 mph for the <em>whole</em> trip. Then, you find that t = 4 hours. That that means that he spent 2.5 hours driving back. Then, we can do d=vt and find 90/2.5 as the speed he went home at. Which comes out to be 36 mph.

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Melinda ran 8,791 meters on Monday and 2,899 meters on Tuesday. How many more meters did she run on Monday than on Tuesday?
Sati [7]

Answer:

8,791- 2,899= 5892

Step-by-step explanation:

Melinda ran 5,892 more meters on monday than tuesday

8 0
2 years ago
Write the equation for the line that goes through the point (5, 12) with a slope m = 10​
Iteru [2.4K]

Answer:

<u>Point-slope form</u>:  y - 12 = 10 (x - 5)

<u>Slope-Intercept form</u>:  y= 10x - 38

Step-by-step explanation:

 im not fully sure which equation ur looking for but i think thats right lol. hopefully this helps ! :)

3 0
2 years ago
2x-y=5<br>2x-2y=4<br><img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20%20-%20y%20%3D%205%20%5C%5C%202%20%5Ctimes%20%20-%202y%20%
d1i1m1o1n [39]
\left\{\begin{array}{ccc}2x-y=5\\2x-2y=4&|\cdot(-1)\end{array}\right\\\underline{-\left\{\begin{array}{ccc}2x-y=5\\-2x+2y=-4\end{array}\right}\ \ \ \ |add\ both\ sides\\.\ \ \ \ \ \ \ \ y=1\\\\substitute\ the\ value\ of\ y\ to\ first\ equation\\\\2x-1=5\ \ \ |+1\\2x=6\ \ \ |:2\\x=3\\\\\left\{\begin{array}{ccc}x=3\\y=1\end{array}\right
7 0
3 years ago
Ben walks at a rate of 3 miles per hour. he runs at the rate of 6 miles per hour. in one week, the combined distance that he wal
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If he only runs he ran 35 hours that and if he only walked he walked 70 hours that week
8 0
3 years ago
Read 2 more answers
PLZ HELP
eduard
The difference is whether the exponent attaches to just the 2 or to the negative sign as well

-2^4 = - (2x2x2x2) = -16

(-2^4) = -2 x -2 x -2 x -2 = +16
5 0
3 years ago
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