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geniusboy [140]
3 years ago
15

Vf²=vi²+ 2ad A) solve for vi B) solve for d Using the same equation

Mathematics
1 answer:
diamong [38]3 years ago
7 0
A)
               Vf² = vi² + 2ad   Subtract 2ad from both sides
     Vf² - 2ad = vi²              Find the square roots of both sides
√(Vf² - 2ad) = √(vi²)         Cancel out the squares with the square roots
  Vf - √(2ad) = vi               Switch the sides to make it easier to read
                 vi = Vf - √(2ad)

B)                 Vf² = vi² + 2ad   Subtract vi² from both sides
             Vf² - vi² = 2ad           Divide both sides by 2a
    (Vf² - vi²) / 2a = d               Switch the sdies to make it easier to read
                         d = (Vf² - vi²) / 2a
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How do i simplify 2a² + 4b + 25a + 15b 8ts for tomorrow pls hurry
Trava [24]

Answer:

To simplify this you simply need to combine like terms:

2a^2 +4b +25a +15b

4b and 15b are your only like terms, so you would add them together 4b+15b=19b

2a^2+19b+25a is your final answer

Hope this helps ;)

Step-by-step explanation:

5 0
3 years ago
Solve for y: 3(4y - 1) = 2(5y + ).<br> The solution is y =<br> The solution is
timofeeve [1]

Answer:

12y-3=2(5y+1/2)

12y-3=10y+1

12y-10y-3=1

12y-10y=1+3

2y=1+3

2y=4

y=2

Step-by-step explanation:

8 0
3 years ago
3. Jason uncle buys a 1.5 pound bag of pencils for the beginning of the year. He puts 1/2 of the pencils in a box. If Jason gets
Tems11 [23]

The quantity of pounds of pencils that Jason gets, based on his sharing ratio, is <u>0.15 pounds</u>.

<h3>What is the sharing ratio?</h3>

The sharing ratio is the percentage or ratio that is held by a person out of the total value of the thing being shared.

Jason's share of the pencil can be determined by multiplying the total pencils in the box (1.5 x ¹/₂) by Jason's sharing ratio (¹/₅).

<h3>Data and Calculations:</h3>

Quantity of pencils bought = 1.5 pounds

Half of the pencils in a box = 0.75 pounds (1.5 x ¹/₂)

The pounds got by Jason from the box = <u>0.15 </u>(0.75 x ¹/₅)

Thus, the quantity of pounds of pencils that Jason gets is <u>0.15 pounds</u>.

Learn more about sharing ratios and ratios at brainly.com/question/26254916

#SPJ1

4 0
2 years ago
Two trains are 500 miles apart when they first enter a collision course. If, after two hours, the distance between them is 300 m
MrRissso [65]

Answer:

The faster train goes 60mph

Step-by-step explanation:

s= speed

s+20 is the faster train.

Then you are given:

200/s+s+20=2

200=2*(2s+20)

4s+40=200

4s=160

s=40 is the slower train

40+20= speed of faster one

s=60 ;)

6 0
3 years ago
___________thousands= 90 hundreds
Darina [25.2K]
0 hundreds<span> is equal to 9000. To find the number of 10's in 9000, simply divide them 9000/10 = 900. Comments; Report</span>
3 0
3 years ago
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