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ludmilkaskok [199]
2 years ago
14

Square ABCD has an area of 1600. E is the midpoint of AC and Fis the midpoint of AB.

Mathematics
1 answer:
ryzh [129]2 years ago
4 0
B……….. thank me later.
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PLEASE HELP FASTTT!!!
nirvana33 [79]

Answer:

5 seconds

Step-by-step explanation:

Looking at your function (h(t) = -16t^2 + 48t + 160), I see that the peak height will be 196 feet, and that is achieved in 1.5 seconds.

h(1.5) = -16(1.5)^2 + 48(1.5) + 160

h(1.5) = -16(2.25)+ 48(1.5) + 160

h(1.5) = -36 + 48(1.5) + 160

h(1.5) = -36 + 72 + 160

h(1.5) = 36 + 160

h(1.5) = 196

Going down from that height, it would take 3.5 more seconds, so it would take 5 seconds in total

h(5) = -16(5)^2 + 48(5) + 160

h(5) = -16(25) + 48(5) + 160

h(5) = -400 + 48(5) + 160

h(5) = -400 + 240 + 160

h(5) = -400 + 400

h(5) = 0

8 0
2 years ago
Select all the stories that can be represented by the diagram.
Inessa05 [86]

Answer: Choice C and Choice D

========================================================

Explanation:

  • Choice A doesn't work because it the $1 should be $7 instead.
  • Choice B doesn't work because it should be Elena spending $7 total on 3 notebooks and a $1 pen. The x is the amount per notebook.
  • Choice C does work. If x is the number of grapes Noah gives each friend, then 3x is the total amount Noah gives over. Then 3x+1 is the number of grapes total. That +1 at the end is the grape Noah eats. We end up with 3x+1 = 7 because Noah starts off with 7 grapes.
  • Choice D works also. The x is the number of hours for math, science and history each. So 3x is the combined time of those three classes. Add on 1 to get 3x+1 to represent all 7 hours, ie 3x+1 = 7.
  • Choice E does not work. If it was her spending $7 on 3 markers and a $1 pen, then it would work.
8 0
2 years ago
Read 2 more answers
Answer correctly please !!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!!!!!
PtichkaEL [24]

Answer:

x = 118

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
It will take 48 hours of work to complete the garden.
erastovalidia [21]
6 Gardner’s because 48/8=6
7 0
2 years ago
In a group of 36 children, there are three times as many boys as girls how many girls are there
hammer [34]
36 total children

Ratio of boys to girls is: 3:1

36/4 = 9     9 children to each part of the ratio

9 x 3 = 27 total boys

9 x 1 = 9 total girls
7 0
3 years ago
Read 2 more answers
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