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drek231 [11]
2 years ago
14

What is 4/5 as a decimal and what is 4/5 as a percent representation

Mathematics
2 answers:
Alex73 [517]2 years ago
7 0
Pokslsjsjskakaisudhebebsis
-BARSIC- [3]2 years ago
3 0
As a decimal it’s .8 (divide 4 by 5) and as a percent is 80 ( multiple the .8 by 10)
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Jake drove 300 miles from his house to a soccer tournament. This graph shows the distance Jake had traveled (m) and the time tha
Bad White [126]

Part A. The trip starts at 8am which corresponds to 0 hrs, point (0hr, 0mi)

2hrs later it's 10am. .point (2hr, 140mi)

The average speed is the slope between 0 and 2 hrs. Remember the slope formula m = Δy/Δx  

m = (140 - 0) / (2 - 0)  

m = 70 mph

Part B. Average speed from 11am - 2pm  

11am is point (3hr, 140mi)  

2pm is point (6hr, 300mi)  

As you can see from the graph, the speed or slope changes at 1pm (5,260). You Can just use the start and end points.

m  = (300-140) / (6-3)  

m = 160/3

53.3 mph

* It comes out the same solution as if you average the two different slopes. 2hrs at 60mph + 1 hr at 40mph = (120 + 40)/3 = 160/3  

Part C.  Total average speed = total distance / total time driving

He went 70 mph for 2 hrs

stopped for an hour (slope is zero, no speed)

60 mph for 2hrs

40mph for 1 hr

300mi /5hr = 60mph

Part D. No Question....

7 0
3 years ago
Please Help ASAP
Tju [1.3M]

9514 1404 393

Answer:

  no solution

Step-by-step explanation:

The discriminant is ...

  b^2 -4ac = (-4)^2 -4(2)(16) = 16 -128 = -112

A negative discriminant means there are no real solutions to the equation.

_____

The complex solutions are 1±i√7.

If we assume the equation has a typographical error and is intended to be ...

  2x^2 -4x -16 = 0

The solutions are x = -2 and x = 4.

3 0
3 years ago
A cellphone company found that 20 of their 150 phones were defective in may
adoni [48]
150 x 5= 750
20 x 5= 100 ... so they should expect 100 cellphones to be defective
7 0
3 years ago
Read 2 more answers
Someone please help....<br> What is the value of the”?” Next to the blue arrow.
Alla [95]

Answer: the number is 20, as the denominator 9 multiplied by 4 is 36. simply multiply the numerator by 4.

3 0
3 years ago
(5k-5)(4k-5) foil and distributive
fenix001 [56]
<span>(a+b)(c+d)=ab+ad+bc+bd
(5k-4)(4k-5)=20k^2+-25k-16k+20=20k^2-41k+20

Hope this helps!</span>
6 0
3 years ago
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