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e-lub [12.9K]
3 years ago
7

Plsss help will mark brainliest

Mathematics
2 answers:
Nataliya [291]3 years ago
8 0
The correct one is letter c
DiKsa [7]3 years ago
3 0
C, because 7 divided, or over nine, is 7/9
Hope this helps!
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Solve h = −16t2 + 36t + 4.
kvasek [131]
I can do each of the things I asked above.
So, let's change this into vertex form:
h=-16t^2+36t+4
h=(-16t^2+36t)+4
h=-16(t^2-2.25t)+4
h=-16(t^2-2.25t+1.27-1.27)+4
h=-16(t^2-2.25t+1.27)+20.32+4
h=-16(t-1.125)^2+24.32
The vertex is at (1.125,24.32)
<span>Answers may vary due to rounding

</span>Factored Form:
h = -16t^2 + 36t + 4
h = -4\left(4t^2-9t-1\right)

Quadratic Formula:
x =  \frac{-b +/- \sqrt{b^2-4(a)(c)}}{2a}
<span>h = -16t^2 + 36t + 4
</span>a = -16 b = 36 c = 4
h = \frac{-(36) +/- \sqrt{(36)^2-4(-16)(4)}}{2(-16)}
h = \frac{-36 +/- \sqrt{1552}}{-32}
h = ≈-0.11
h = ≈2.36

5 0
3 years ago
Helppppppppppp meeeeeeeeee pleaseeeeeee
Gennadij [26K]
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7 0
2 years ago
A certain radioactive isotope has a half-life of 15 days. If one is to make a table showing the half-life decay of a sample of t
Verdich [7]
A half-life of the isotope is 15 days and at start its mass is 32 g.
A table:
              t:                 m:
              0                32 g
             15               16 g
             30                 8 g
             45                 4 g
             60                 2 g
             75                 1 g
In the first column is used an arithmetic sequence ( a 1 = 0, d = 15 ).
In the second column is used a geometric sequence ( a 1 = 32, r = 1/2 )                       
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3 years ago
On a school trip to a theme park, four busses each carry 105 students. 35% of the students are bringing their own lunch. 3/7 of
vodka [1.7K]

Answer:

We have a lunch pack for her lunch

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3 years ago
What is x divied by 30
drek231 [11]

Answer:

i need more context-

Step-by-step explanation:

7 0
2 years ago
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