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Darina [25.2K]
3 years ago
9

Hi I'm really in 5y

Mathematics
1 answer:
ohaa [14]3 years ago
3 0

Answer:

0.6

Step-by-step explanation:

2/5 divided by 2/3

use reciprocal method

and make it 2/5*3/2

6/10

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Are these numbers rational or irrational? √10 (square root of 10) √16 (square root of 16) 52% 1.235 1. Rational 2. Irrational pl
77julia77 [94]

Step-by-step explanation:

any rational number can be expressed as a/b, with a and b being integer numbers, and b different to 0.

-7 = -7/1 rational

sqrt(10) irrational (because there is no rational number multiplied by itself that results in 10)

sqrt(16) = sqrt(4×4) = 4 = 4/1 rational

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5 0
2 years ago
HELP!!
torisob [31]

195 is the answer because you replace x with 10

Step-by-step explanation:

825-630=195

3 0
3 years ago
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A ball is dropped from a height of 8 feet. If every time it bounces, it bounces 60% of its previous height, what is the total di
vladimir1956 [14]

Answer:

<h3>20feet</h3>

Step-by-step explanation:

Initial height of the ball = 8feet

If it bounces 60% of its previous height, its new height will be;

60% of 8

= 60/100 * 8

= 480/100

= 4.8 ft

If it bounces 60% of its current distance, new height will be expressed as;

60% of 4.8

= 0.6 * 4.8

= 2.88

The height of the ball will keep reducing and form a geometric progression of the form 8, 4.8, 2.88...

In order to get the total distance traveled by the ball, we need to calculate the sum to infinity of the sequence;

S∞ = a/1-r where;

a is the first term = 8

r is the common ratio

r = \frac{4.8}{8} = \frac{2.88}{4.8}\\r =  0.6

Substitute into the formula;

S∞ = a/1-r

S∞ = 8/1-0.6

S∞ = 8/0.4

S∞ = 20feet

Hence the total distance traveled by the ball is 20feet

8 0
3 years ago
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Tan 44° = x/140

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Remember, we need to add another 4 feet, so the answer would be 139.198 feet
6 0
3 years ago
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Which ordered pair is the solution to the system of equations? {y=x−4−4x+3y=−3 (−9, −13)
Leviafan [203]
The correct answer is (-9, -13)

p.s I already took the test and this was right
hope I helped :)
8 0
3 years ago
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