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Juliette [100K]
3 years ago
8

When a ball is thrown into the air, the path that the ball travels is modeled by the parabola y − 5 = −0.05(x − 10)2, measured i

n feet. What is the maximum height the ball reaches?
Mathematics
1 answer:
beks73 [17]3 years ago
4 0

Answer:

the maximum height in feet the ball reaches 5ft

Step-by-step explanation:

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Write the expression add 17,044 and 32,760 and then multiply by 1/2​
Marina CMI [18]

Hey there!

The expression would be, \frac{1}{2} (17044 + 32760)                                

Hope it helps and have an amazing day!

5 0
3 years ago
Help!! <br>This is due in 30 minutes!! <br>(this is 13-12 year old math) <br>​
Nitella [24]

Answer:

-10

Step-by-step explanation:

Note that the points plotted on the line is by 2 (essentially, each line signifies 2).

The blue point is on the 5th line from the 0. 5 x -2 = -10

-10 is your answer.

~

4 0
3 years ago
A scientist is studying a shockwave from an earthquake. What kind of wave is being studying?
lianna [129]

Seismic waves

Step-by-step explanation:

An earthquake releases energy as shock waves, the so-called seismic waves, which ripple across the earth's surface. The seismic waves created as they move from the epicentre an earthquake vary.

(from Google)

4 0
3 years ago
Read 2 more answers
Need an answer as soon as possible.
Elza [17]
Part A

Answer: The common ratio is -2

-----------------------------------

Explanation: 

To get the common ratio r, we divide any term by the previous one

One example:
r = common ratio
r = (second term)/(first term)
r = (-2)/(1)
r = -2

Another example:
r = common ratio
r = (third term)/(second term)
r = (4)/(-2)
r = -2
and we get the same common ratio every time

Side Note: each term is multiplied by -2 to get the next term

============================================================
Part B

Answer:
The rule for the sequence is 
a(n) = (-2)^(n-1)
where n starts at n = 1

-----------------------------------

Explanation:

Recall that any geometric sequence has the nth term
a(n) = a*(r)^(n-1)
where the 'a' on the right side is the first term and r is the common ratio

The first term given to use is a = 1 and the common ratio found in part A above was r = -2
So,
a(n) = a*(r)^(n-1)
a(n) = 1*(-2)^(n-1)
a(n) = (-2)^(n-1)

============================================================
Part C

Answer: The next three terms are 16, -32, 64

-----------------------------------

Explanation:

We can simply multiply each previous term by -2 to get the next term. Do this three times to generate the next three terms

-8*(-2) = 16
16*(-2) = -32
-32*(-2) = 64

showing that the next three terms are 16, -32, and 64

An alternative is to use the formula found in part B

Plug in n = 5 to find the fifth term
a(n) = (-2)^(n-1)
a(5) = (-2)^(5-1)
a(5) = (-2)^(4)
a(5) = 16 .... which matches with what we got earlier

Then plug in n = 6
a(n) = (-2)^(n-1)
a(6) = (-2)^(6-1)
a(6) = (-2)^(5)
a(6) = -32 .... which matches with what we got earlier

Then plug in n = 7
a(n) = (-2)^(n-1)
a(7) = (-2)^(7-1)
a(7) = (-2)^(6)
a(7) = 64 .... which matches with what we got earlier

while the second method takes a bit more work, its handy for when you want to find terms beyond the given sequence (eg: the 28th term)
6 0
3 years ago
Suppose the relationship between x and y is proportional. When x is​ 29, y is 275.5. Find the constant of proportionality of y t
ruslelena [56]
If it’s proportional, then when X is 1, y is 2.6, you get that by dividing 275.5 by 29

so when y is 408.5, x is 156.91

I believe that is correct.
3 0
3 years ago
Read 2 more answers
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