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Verdich [7]
3 years ago
14

(4/5)^2+ 2/5 ÷ 1/2( these are fractions and the 2 is a exponent) hurry up please

Mathematics
1 answer:
ale4655 [162]3 years ago
3 0

Answer:

Step-by-step explanation:

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Five consecutive positive integers are chosen at random. If the average of the five integers is odd, what is the remainder when
kupik [55]

Answer:

The remainder would be 1 or 3

Step-by-step explanation:

Consider the 5 consecutive positive integers are,

x,  x + 1,  x + 2,  x + 3,  x + 4,

Average =\frac{\text{Sum of all observation}}{\text{Number of observations}}

Since, the average of these 5 numbers = \frac{x+x+1+x+2+x+3+x+4}{5}

=\frac{5x+10}{5}

= x + 2

If x + 2 = odd,

⇒ x = odd - 2 = odd - even = odd

⇒ x + 4 = odd + even = odd

∵ an odd number is represented by '2n + 1'

Where, n = 0, 1, 2, 3, ........

Now, 2n + 1 = 1( mod 4) if n = even

While, 2n + 1 = 3( mod 4) if n = odd,

Hence, when the largest of the five integers is divided by 4 remainder would be 1 or 3.

4 0
3 years ago
If you have 30 spring rolls how many people can it feed?
Kay [80]

Answer:30

Step-by-step explanation: each person can you get one Spring roll

4 0
3 years ago
Read 2 more answers
-6 + (1\3) word problem
inessss [21]
-6/3 that is the answer
6 0
3 years ago
Zoom in to see more clear :)
algol13

Answer:

1) x=30 degrees

2)y=20 degrees

1) 3x+2x+1x= 6x (a triangle is normally 180 degrees) 180 divide 6=30 (this is because 6 Xs make up the triangle)

2) 2y+5y+5+y+15= 8y+20, (since a triangle has 180 degrees) 8y+20=180 (-20 from both sides) 8y=160, 160 divide 8=20

(I hope this makes sense)

5 0
3 years ago
Line GH contains points (-2,6) and H (5,-3). What is the slope of GH
svetlana [45]

Answer:

    -9/7

Step-by-step explanation:

To find the slope given 2 points, we use the formula

m = (y2-y1)/(x2-x1)

 where (x1,y2) and (x2,y2) are the two points

m = (-3-6)/(5--2)

m = (-3-6)/(5+2)

   = -9/7

8 0
3 years ago
Read 2 more answers
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