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Phoenix [80]
3 years ago
7

A snail travels 3 feet in one hour. In each subsequent hour, the snail travels three-fourths the distance it traveled in the pre

vious hour. How far does the snail travel in 6 hours
Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0

Answer:

Approximately .71 feet

Step-by-step explanation:

first hour: 3 feet

3 x .75 = 2.25 feet

second hour: 2.25 feet

2.25 x .75 = 1.68 feet

third hour: 1.68 feet

1.68 x .75 = 1.26 feet

fourth hour: 1.26 feet

1.26 x .75 = .945 feet

fifth hour: .945 feet

.945 x .75 = .70875 feet

sixth hour: approximately .71 feet

oksano4ka [1.4K]3 years ago
5 0

Answer:

The answer is 9.9. I just took the test.

Step-by-step explanation:

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The equation represents an ellipse. which point is the center of the ellipse? (−9, 5) (−5, 9) (5, −9) (9, −5)
Igoryamba

The point which is the center of the ellipse whose equation is; (y+5)²/121+(x-9)²/49=1 s in the task content is; (-5, 9).

<h3>Which point represents the center of the ellipse whose equation is given as; (y+5)²/121+(x-9)²/49=1?</h3>

It follows from convention that the equation of an ellipse usually takes the form;

(y-h)²/a²+(x-k)²/b²=1 in which case, the center of the ellipse is given by the point; (h, k).

On this note, By comparison of the actual equation and the standard equation, it follows that;

+5 = -h and consequently, h = -5,

-9 = -k and consequently, k = 9.

Ultimately, the point which is the center of the

ellipse is; (-5, 9).

Remark: The equation of the ellipse which is missing in the task content is; (y+5)²/121+(x-9)²/49=1

Read more on center of an ellipse;

brainly.com/question/19507943

#SPJ1

6 0
2 years ago
Mrs. Eaton's class is participating in the "Box Tops for Education" campaign. On the first day, her
storchak [24]
Each colection day: D
Number of tops collected on that day: N

D1=1; N1=2
D2=3; N2=8

1) Linear model
N-N1=m(D-D1)

m=(N2-N1)/(D2-D1)
m=(8-2)/(3-1)
m=(6)/(2)
m=3

N-N1=m(D-D1)
N-2=3(D-1)
N-2=3D-3
N-2+2=3D-3+2
N=3D-1

when D=6:
N=3(6)-1
N=18-1
N=17

<span>What is the number of tops collected on the sixth day based on the linear model?
</span>The number of tops collected on the sixth day based on the linear model is 17.

2) Exponential model
N=a(b)^D
D=D1=1→N=N1=2→2=a(b)^1→2=ab→ab=2   (1)

D=D2=3→N=N2=8→8=a(b)^3→8=a(b)^(1+2)
8=a(b)^1(b)^2→8=ab(b)^2   (2)

Replacing (1) in (2)
(2) 8=2(b)^2
Solving for b:
8/2=2(b)^2/2
4=(b)^2
sqrt(4)=sqrt( b)^2 )
2=b
b=2

Replacing b=2 in (1)
(1) ab=2
a(2)=2
Solving for a:
a(2)/2=2/2
a=1

Then, the exponential model is N=1(2)^D
N=(2)^D

When D=6:
N=(2)^6
N=64

<span>What is the number of tops collected on the sixth day based on the exponential model?
</span><span>The number of tops collected on the sixth day based on the exponential model is 64</span>
7 0
4 years ago
Is the equation an example of growth or decay? y = 4x
Lynna [10]
Hello,

as 4>0 y=4x is a growing line.
8 0
3 years ago
Read 2 more answers
What is the answer to <br> 1+38*225(12/77)
Neporo4naja [7]
1+38*225(12/77)
1+38*225*6.41
1*8550*6.41
1+54,805.5
54,806.5
Use pemdas to solve it
4 0
3 years ago
Read 2 more answers
Round 425.3567 to the nearest hundredth
AveGali [126]

Answer:

425.36

Step-by-step explanation:

hundredths place: 5

look at the number next to it, which is 6 in this problem. if the number is higher than 5 increase by one number

if the number is lower than 5 just leave it the way it is.


in this case, 6 is higher than five, so you will increase five by one.

8 0
3 years ago
Read 2 more answers
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