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bulgar [2K]
3 years ago
12

How would I solve and answer these two questions? I'm having a hard time understanding them.

Mathematics
1 answer:
postnew [5]3 years ago
8 0

Answer:

The first one is either 88 feet or 90 feet

Step-by-step explanation:

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Find the sum or difference and reduce: (5x-20)/4<br><br> Please solve
Paladinen [302]


Either 4 times negative 20 and 4 times positive 5 x so....20x-16 orrrr 20x-80 (hope one of these help)
7 0
3 years ago
How many solutions does the pair of equations y = 0 and y = -5 have?
Crank

Answer: None

Step-by-step explanation:

y=0 and y=-5 don't have any solutions. When you ask if a pair of equations have a solution, that means there is an intersection of the equations. The 2 equations will meet somewhere, and that is the solution. To find the solution, you set the equations equal to each other.

0≠-5

It is obvious that 0 and -5 are not equal to each other. Therefore, there is no solution. Also, y=0 and y=-5 are horizontal lines that are parallel to each other. They will never meet, which means there will be no intersection. No intersection means no solutions.

8 0
2 years ago
A car was traveling 86 kilometers per hour.
ki77a [65]
Its easy to convert 86 kilometers per hour to meters per second :

Just divide the speed which is 86 by 3.6

86 divide 3.6 = 24 m/s or meter per second
8 0
3 years ago
How many pounds are in 3/4 of a ton
Mashcka [7]
3/4 tons = 1500 lbs/pounds
7 0
2 years ago
Read 2 more answers
Need help + explanation!! ^_^
Paha777 [63]
780, or C, is correct.  Since 9.75 is 1/80th of the actual measurement, we can set up an equation like this:

9.75 = 1/80x

Then multiply each side by 80:

780 = x

The actual building's height is 780 ft.

We can check this answer by plugging in 780 for x in the original equation:

9.75 = 1/80(780)

9.75 = 9.75

Check! <span>✓</span>
3 0
3 years ago
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