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svetoff [14.1K]
3 years ago
5

Solve please. Just give the answer plz!

Mathematics
2 answers:
zzz [600]3 years ago
7 0

Answer:

0.5 or 1/2 of an hour

Step-by-step explanation:

3/10 + 1/5

1/5 is equivalent to 2/10

3/10 + 2/10 = 5/10

5/10 is equivalent to 1/2

Studentka2010 [4]3 years ago
5 0

Answer:

I think the answer is 6 hours. I'm not sure though

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Quick please no links or anything just the straight up answer answer both please
inna [77]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
Which numbers are rational And which are irrational
Fittoniya [83]

Answer:

Irrational, rational, rational, rational, irrational

Step-by-step explanation:

Pi is irrational, so anything multiplied by it is irrational also. The square root of 25 is just 5 or -5, both of which are rational. 17/12 is a fraction of integers so it's rational. 41.4141... is a repeating decimal so it is rational. And the square root of 7 is a random decimal, so it is irrational.

8 0
3 years ago
A box that has a length of 2x + 2 and width of x - 2 has a perimeter of 90 centimeters. If the height of the box is x, what is t
tatuchka [14]
First find the value of X from the perimeter given
Perimeter = L*W
90 = 2 ((2x+2) + (x-2))
90 = 4x + 4 +4x - 4
90 = 8x
x = 11.25
Length = 2x + 2
2 (11.25) +2
=24.5
Width = x-2
11.25 -2
=9.25
h =x
= 11.25

Volume = L*W*H
24.5 * 9.25 * 11.25
2549.53 units^3

4 0
4 years ago
What is the point (-9,-3) after rotating 180 counterclockwise
sleet_krkn [62]

Answer:

(9, 3)

Step-by-step explanation:

When a point is rotated 180 degrees, you take the opposite of the coordinates.

i.e (5, 6) ---> (-5, -6)

4 0
3 years ago
Three boxes contain 50 parts each. one part in each box is defective. one part is selected at random from each of the three boxe
Zanzabum
A. ) The probability of all 3 parts are non defective :-
48:3
B.) The probability that the part selected from box 1 is defective :-
1:1
The probability of the parts selected from box 2 and 3 are non defective :-
49:2
C.) The probability that two parts are non-defective and one part is defective :-
48:2 / 1:1
------------------------------------------❌❌❌❌❌❌--------------------------------------------
6 0
3 years ago
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