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Elanso [62]
3 years ago
15

Fredrick threw a ball from the top of a building. The height of the ball, in feet, after it is thrown is modeled by the function

h() = -1682 + 648 + 100, where t represents time, in seconds. Approximately how long did it take the ball to reach the ground (h=0)7​
Mathematics
1 answer:
Gwar [14]3 years ago
7 0

Answer:

When the ball hits the ground  h= 0

so set your equation to = o and solve for t

Need more help???

0 - -16t^2 +20t +6

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14. Find the volume of this pentagonal prism. Use the formula V=B-H
alexandr1967 [171]

Answer:

yes

Step-by-step explanation:

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5 0
3 years ago
Sam has already biked 1/4 of all the distance and 12 miles, and he still needs to bike 3/8 of the total distance and 9 miles. Wh
Mamont248 [21]
The total distance is 56 miles.
3 0
3 years ago
The Total Surface Area for the shape below is _________. (round to nearest tenth.)
gavmur [86]

Answer:

=193.2 cm

Step-by-step explanation:

  • Figure out the triangles first
  • Area= Base times Height divided by 2
  • first figure out one triangle A= (6)(5.2)/2 = 15.6 (brackets means times and the slash means divide
  • times it by 2 so you get the area of both triangles (15.6)(2)= 31.2
  • Now figure out the rectangles
  • Area= Base times Height
  • A=(6)(9) = 54
  • Then times it by 3 to get the area of all three triangles
  • (54)(3)= 162
  • Now add 162 and 31.2 and you get 193.2 cm
3 0
3 years ago
Write the slope e-intercept from of the equation of the line through the given point with the given slope. Please show your work
Zinaida [17]
The slope-intercept form is written under the form of
y=mx+b where m represent the slope and y represent y-intercept. In this case, we know that the m is 8, but we don't have b yet. To find the answer, substitute (0,5) into an equation where y=5 and x=0
y=mx+b
y=8x+b
5=8(0)+b
5=b, so we have the complete y-intercept form which is y=8x+b
Or
You can you this
y-y1=m(x-x1) where point (x1,y1) represent point (0,5) in this case which led to:
y-y1=m(x-x1)
y-5=8(x-0)
y-5=8x-8(0)
y-5=8x
Add 5 to each side
y-5+5=8x+5
y=8x+5 represent the slope-intercept form. Hope it help!
4 0
2 years ago
Help with #12, 13, 14, 15! I will mark u as brainliest answer
son4ous [18]
12) LCM of 2 & 12 is 12 
Answer: (F)

13) (25 x 8) x 4
Step 1: Order of operations do parenthesis first: (25 x 8) = 200
Step 2: Multiply: 200 x 4 = 800
Answer: 800

14) I would plug each value in to see which works
D) 10x + 5y = 10(6) + 5(9) = 60 + 45 = 105

Answer is (D)

15) 2 x 12 - 8 (divided by) 2^2
Exponent first: 2 x 12 - 8 divided by 4
Multiplication/ Division: 2 x 12 = 24 and -8 divided by 4 = -2
Add/Subtract: 24 - 2 = 22

Answer: (I)


7 0
3 years ago
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