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Step2247 [10]
3 years ago
8

Work out the median age !!

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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5y-30=-5y+30 and also can you show the steps :}
KatRina [158]

5y-30=-5y+30

add 30 to both sides

5y = -5y+60

add 5y to both sides

10y = 60

divide both sides by 10

y = 6

<em>hope this helps!</em>

8 0
3 years ago
Please Please help me this is on my test. Geometry
maw [93]

Answer:

x=17

Step-by-step explanation:

11x-31=8x+20

solve for x

4 0
3 years ago
Read 2 more answers
Simplify 15/60 lowest answer
MakcuM [25]
1/4 or .25 or 25%
You basically just divide 60 by 15. So 15 goes into 60 4 times. Therefore, 4 is our denominator with one as our numerator. 
4 0
4 years ago
Read 2 more answers
Which expression has a positive value?
mote1985 [20]

Answer: That would be A and C

  • A. = 26/3
  • B. = -20
  • C. = 1
  • D. = -3

Step-by-step explanation:

I hope it helps :)

A.

\frac{ - 4 + ( - 5)( - 6)}{3}  \\  \frac{ - 4 + 30}{3}  \\  \frac{26}{3}  = 8 \frac{2}{3}  = 8.67

B.

8( \frac{10}{(2)( - 2)} ) \\ 8( \frac{10}{ - 4} ) \\ 8(  - \frac{5}{  2} ) = -  20 \\

C.

3( \frac{ - 64}{8} ) + 25 \\ 3(  - 8) + 25 \\  =  - 24 + 25  \\ = 1

D.

\frac{ - 2( - 5)( - 3)}{10}  \\  \frac{ - 30}{10}  \\  =  - 3

7 0
3 years ago
Please help!
Drupady [299]
    I'm doing interval notations right now in pre-calculus, this how this notation should be written, (-∞,-2] or [4,∞), but this, (x ≤ -2] or [4 ≤ x), means the same thing. closed circle gets a bracket and an open circle gets a parenthesis, infinity always gets a parentheses because it is not a number. hope this helps           
                     
 




5 0
3 years ago
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