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Wittaler [7]
3 years ago
7

MULTIPLE CHOICE QUESTION

Mathematics
1 answer:
romanna [79]3 years ago
4 0

Answer:

36:8, and 9:2

Step-by-step explanation:

8 is 4*2, so 18*2 is 36. that is equivalent so it is one of the answers. 4/2 is 2 and 18/2 is also 2, so the last choice is also an answer.

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At 12pm there are 855 people in the zoo. By 5pm ⁴/₅ of the children have left and ³/₄ of the adults have left. There are now 36
True [87]

Answer:

  300

Step-by-step explanation:

Let x represent the number of adults in the zoo at 12 pm. Then the number of children at that time is 855 -x.

The number of remaining children is 1/5 of the number at 12 pm, so is ...

  (855 -x)/5

The number of remaining adults is 1/4 of the number at 12 pm, so is ...

  x/4

There are 36 more remaining children, so we have ...

  (855 -x)/5 -x/4 = 36

  171 -9x/20 = 36 . . . . . collect terms

  135 = 9x/20 . . . . . . . . add (9/20)x-36

  (20/9)(135) = x = 300 . . . . . multiply by 20/9

There were 300 adults in the zoo at 12 pm.

5 0
3 years ago
#28-10: Simplify this expression 4-3s+5+8. Evaluate the expression when s=3.
earnstyle [38]
The answer is 8...........
3 0
3 years ago
Read 2 more answers
Mrs. House wants to buy a wireless speaker for her husband. She has narrowed down her choice to two stores: • Kohls is selling t
Westkost [7]
Answer: $43.70
Explanation: if target marked up the speaker by 15%, then you multiply the original price by 1.15 to get the answer:
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8 0
3 years ago
Please answer number 25
Eddi Din [679]

Answer:

29.95 mintues answer of this question

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER + BRAINLIEST!!
lora16 [44]
I'd like to see some of your own efforts here.  This is the third time you've posted two "factor completelyl" problems, without sharing what you've already done.

<span>3v^2 - 8v - 16 cannot be reduced.  Thus, your best choice to find roots is to apply the quadratic formula:

         8 plus or minus sqrt( 64-4(3)(-16) )
v = ---------------------------------------------------
                                2(3)
        8 plus or minus sqrt( 64 + 192 ) 
   = ---------------------------------------------
                                 6
         8 plus or minus sqrt(256)
    = -------------------------------------
                             6

     = 8 + 16, all divided by 6, or    8 - 16, all divided by 6

     = 4 or -8/6, or 4 or -4/3.

The factors are (v-4) and (v + 4/3).</span>
6 0
4 years ago
Read 2 more answers
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