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konstantin123 [22]
3 years ago
8

-5.5x+0.77=1.48 whats x

Mathematics
2 answers:
Nesterboy [21]3 years ago
8 0

Answer:

X= -0.1290 (bar line on top of the 90)

Hope this helps!

Step-by-step explanation:

agasfer [191]3 years ago
8 0

Answer:

X= -0.1290

Step-by-step explanation:

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You drop a ball from a height of 1.5 meters. Each curved path has 71% of the height is the previous path.
lidiya [134]

a. write a rule for the sequence using centimeters. The initial height is given by term n = 1


For this case we have a sequence of the form:

an = a0 * (r) ^ {(n-1)}

Where

a0: initial height

r: rate of change

n: number of paths

On the other hand we have the following conversion:

1 meter = 100 centimeters

Therefore we have:

(1.5) * (100) = 150 cm

Thus, the general rule for the sequence in centimeters is:

an = 150 * (0.71) ^ {(n-1)}

Answer:

a rule for the sequence using centimeters is:

an = 150 * (0.71) ^ {(n-1)}


b. what height will the ball be at the top of the sixth path


For this case, we substitute the value of n = 6 in the equation obtained in part a.

We have then:

a6 = 150 * (0.71) ^ {(6-1)}\\a6 = 27.06 cm

Answer:

the height of the ball will be 27.06 at the top of the sixth path

6 0
3 years ago
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Whats is the ratio of 3 dogs to 4 cats
lyudmila [28]

Answer:

3 to 4

or

3:4

Step-by-step explanation:


6 0
4 years ago
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If the square of x is 5, then the square of 4x will be?<br> a) 400<br> b) 80<br> c) 60<br> d)20
Tamiku [17]

Answer:

OPTION B: 80

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3 years ago
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If two rectangles have the same perimeter, do they have to be congruent??​
madreJ [45]

Answer:

No they do not have to be congruent.

4 0
3 years ago
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Instructions: Determine if AB is tangent to the circle.
OverLord2011 [107]

Step-by-step explanation:

to be a tangent, it would have to have a 90° angle with the radius (12).

and that would make the triangle ABCenter of the circle a right-angled triangle.

and then Pythagoras must apply :

c² = a² + b²

with c being the Hypotenuse (the baseline opposite of the 90° angle). in our case the 20-line.

so,

20² = 12² + 16²

400 = 144 + 256 = 400

yes, it is confirmed, because the Pythagoras principle applies, it is a right-angled triangle, and therefore AB is indeed a tangent.

7 0
2 years ago
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