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FrozenT [24]
3 years ago
14

I don't understand this please help :( :/

Mathematics
1 answer:
Lena [83]3 years ago
7 0
Okay.  The equation is the way to figure out how much can be put into the suitcase.

What you do is substitute the various weights for w, and see if the equation is true.
So, 42 + w ≤ 50.
If you use the wieght of the books, 10lb, it looks like this: 42 + 10 ≤ 50.  If you solve that, the equation isn't true, so you can't put the books into the suitcase.

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A toy rocket is shot vertically into the air from a launching pad 9 feet above the ground with an initial velocity of 168 feet p
hammer [34]
Y(initial) = 9
V(initial) = 168
V(final) = 0
g(accel-grav) = 32 (in feet per second
squared)
Use the following equation:
V(final) = V(initial) + a(t)
Since this object is moving straight up and
down, a = -32
Enter the knowns into the equation
0 = 168 - 32t
32t = 168
t = 168/9.8
t = 5.25

Now that you know the time it takes to
reach it's maximum, use the general
kinematics equation to solve for final
distance:

y(final) = y(initial) + V(initial)(t) + (1/2)a
(t²)

y(final) = 9 + 168(5.25) + (1/2)(-32)
(5.25²)

= 9 + 882 - 441

= 450 feet
5 0
3 years ago
Read 2 more answers
Laura invest $300 into an account with an interest rate of 4% compounded annually. Write an exponential function to represent th
LiRa [457]

The exponential function that represents the future value of the investment is $300(1.04)^t.

<h3>What is the exponential function?</h3>

The exponential function that can be used to determine the future value of the investment is:

FV = P (1 + r)^nm

  • FV = Future value
  • P = Present value
  • R = interest rate
  • m = number of compounding
  • N = number of years

$300(1.04)^t.

Where t represents number of years

To learn more about future value, please check: brainly.com/question/18760477

7 0
2 years ago
Solve for X and solve for Y?
Llana [10]

Answer:

x=3\sqrt 5\\

y = \sqrt {126}

Step-by-step explanation:

By geometric mean property:

x =  \sqrt{9 \times 5}  =  \sqrt{45} = 3 \sqrt{5}   \\  \\ by \: pythagoras \: theorem \\  \\  {y}^{2}  =  {9}^{2}  +  {x}^{2}  \\  \\  {y}^{2}  =  {9}^{2}  +  {(3 \sqrt{5}) }^{2}  \\  \\  {y}^{2}  = 81 + 45 \\  \\  {y}^{2}  = 126 \\  \\ y =  \sqrt{126}

7 0
3 years ago
How do you solve the question solve for n 1/3 n = 6
timofeeve [1]

Answer:

n = 18 \\

Step-by-step explanation:

\frac{1}{3} n = 6 \\ n = 6 \div  \frac{1}{3}  \\ n = 6 \times 3 \\ n = 18 \\

7 0
2 years ago
How do i get x 0.15x+45=150
crimeas [40]
Subtract 45 on each side so it would be
0.15X=104 then divide both sides by 0.15X

then X= 700
3 0
3 years ago
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