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PtichkaEL [24]
3 years ago
6

44. Use the Quadratic Equation to find the Roots of x2 - 5x + 2 = 0

Mathematics
1 answer:
Alex3 years ago
5 0

Answer:

x=5/2+1/2√17

Step-by-step explanation:

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The quadratic function h(t) = -16t^2 + 120 represents the height of 120 feet. what is the height of the object after 1.5 seconds
Anettt [7]

Answer:

84 feet

Step-by-step explanation:

-16(1.5)^2+120=84

5 0
3 years ago
What is four fifths equivalent to
skad [1K]

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8/10 or 16/20

Step-by-step explanation:

6 0
3 years ago
Joseph drove for hours at the speed of 40 km per hours he changed his speed to 65 km for the next 2 hours how far had Joseph dri
daser333 [38]

Answer:

The answer to your question is 450 km

Step-by-step explanation:

Data

First stage                      Second stage

speed 1 = 40 km/h         speed 2 = 65 km/h                      

time 1 = 8 h                     time 2 = 2 h

Process

1.- Write the formula to calculate the speed

    speed = distance / time

-Solve for distance

    distance = speed x time

2.- Calculate the distance of the first stage

    distance 1 = 40 x 8

    distance 1 = 320 km

3.- Calculate the distance of the second stage

    distance 2 = 65 x 2

    distance 2 = 130 km

4.- Calculate the total distance

    Total distance = 320 + 130

                             = 450 km

6 0
3 years ago
Read 2 more answers
T = an + b ( solve for b )
Butoxors [25]
B=t-am is the correct answer:)
6 0
3 years ago
Takes a word processor 20 minutes to spell check 6 pages, how long to check 27 pages
ivann1987 [24]

9514 1404 393

Answer:

  90 minutes

Step-by-step explanation:

Assuming the time is proportional to the number of pages, you have ...

  time/pages = 20/6 = T/27

Multiplying by 27 gives ...

  T = 27(20/6) = 90

It is expected to take 90 minutes to check 27 pages.

6 0
3 years ago
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