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marin [14]
2 years ago
14

Solve for the value of n (9n) (8n+8)

Mathematics
1 answer:
Hatshy [7]2 years ago
3 0

Answer:

undoable

Step-by-step explanation:

theres no =

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Margot is looking at some information for the obstacle course she is interested in completing. The x-coordinate is the number of
blagie [28]

Answer:  f(8) = 6.25(1.1)^7 ; f(8) = 12.179

Step-by-step explanation: (I got it right on the test)

(1, 6.25), (2, 6.875), (3, 7.5625), (4, 8.31875)

r= 1.1  

f(1) = 6.25 / starting number

1. Since it is multiplying each number by 1.1 it is using the Geometric Explicit Formula:

f(n)= f(1) x r ^n-1

f(8) = 6.25 x 1.1 ^(8-1)

f(8) = 6.25 x 1.1 ^7

f(8) = 6.25 x 1.9487171

f(8) = 12.179

3 0
3 years ago
A ball is hit vertically upwards from a cliff, which is 80 m above the sea. The displacement
Stels [109]

Answer:

a) 8 seconds

b) 3 seconds

c) 170 meters

Step-by-step explanation:

a) When the ball lands in the sea, s = -80.

-80 = 30t − 5t²

5t² − 30t − 80 = 0

t² − 6t − 16 = 0

(t + 2) (t − 8) = 0

t = -2 or 8

t = 8 seconds

b) The ball reaches its highest point when the velocity is 0 (or at the vertex of the parabola).

t = -b / (2a)

t = -30 / (2 × -5)

t = 3 seconds

c) The highest point is:

s = 30(3) − 5(3)²

s = 45

So the ball rises 45 meters, falls 45 meters, then falls 80 meters.

The total distance traveled is 45 + 45 + 80 = 170 meters.

6 0
3 years ago
A 5 foot tall student casts a shadow that is 8 feet long. A 12.5 foot flag pole close by casts a shadow with an unknown length,
prohojiy [21]

Answer:

15.5

Step-by-step explanation:

3 0
3 years ago
Please, please help with this question!! I don't understand it!
Kazeer [188]

Answer:

Step-by-step explanation:

Find the area of each shape, then multiply by 20, then round to nearest hundred.

Half circle:

=πr²/2

=50π

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Large square:

=L•w

=20(22)

=440

Small square:

=L(w)

=12(3)

=36

Triangle:

=b(h)/2

=8(3)/2

=12

Btu req:

=(157.08+440+36+12)(20)

=(645.08)(20)

=12901.6

=12900 BTU

3 0
3 years ago
A coin lands on Heads 200 times. The relative frequency of Heads is 0.4 How many times was the coin thrown?
Pani-rosa [81]

Answer:

jn;,kjkml,;.,;mnbnl,;vctgkhlkl;;ugbjkl;;

Step-by-step explanation:

7 0
3 years ago
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