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Fiesta28 [93]
3 years ago
13

Plz help me I need to turn it in on Monday

Mathematics
1 answer:
Andre45 [30]3 years ago
7 0
30).  35=.15x+3                                             Equation

         32=.15x                                                 Subtract 3 from both sides

         213.3333333=x                                      Divide by 0.15 on both sides

         35=0.15(213.3333333)+3                     Plug in for X

         35=32+3                                                  Distribute 0.15 into 213.33...

         35=35                                                       Simplify
Therefore she can get about 213 pictures. 

31). 226.5= 25(11am-6:30pm)+x                Equation

        226.5=25(7.5)+x                                    Find out how many hours
        
       226.5=187.5+x                                    distribute the 25 into the parenthesis

       39=x                                                          Subtract 187.5 
   
       226.5=25(7.5)+39                               Plug in for x
     
       226.5=187.5+39                                      Distribute 25 into parenthesis

       226.5=226.5                                            simplify
we've established that the one time fee it 39 so
      y=25(8am-1pm)+39                                 Equation

      y=25(5)+39                                               Find amout of hours

      y= 125+39                                                Distribute 25 into 5

      y=164                                                       simplify
therefore the jones family payed $164
 




        
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I need an answer ASAP!!! Tyyyy
patriot [66]

Part A

x = amount of money she starts with

(4/9)x = cost of the dress

(5/9)x = amount of money leftover after buying the dress

note that 4/9 and 5/9 add to 1 to represent 100% of her money

(3/4)*(5/9)x = (15/36)x = (5/12)x = amount spent on shoes

We see that she spent 5/12 of her original amount of money on shoes.

-----------------------

We can look at a more concrete example if the previous section does not make sense.

Let's multiply the denominators 9 and 4 to get 9*4 = 36. Doing this trick will mean that the later steps won't involve decimal values.

Let's say she starts off with $36

Multiply that with 4/9 to get (4/9)*36 = 16. So in this hypothetical situation, the dress costs $16 and she's left with 36-16 = 20 dollars.

Multiply that 20 by 3/4 to get (3/4)*20 = 15

In this situation, the shoes cost $15

We'll then divide the cost of the shoes (15) over the original amount of money she started with (36)

15/36 = (3*5)/(3*12) = 5/12

-----------------------

<h3>Answer:  5/12</h3>

=======================================================

Part B

From the first section in part A, we found that:

  • (4/9)x = amount of money spent on the dress
  • (5/12)x = amount of money spent on shoes

Add those two expressions

(4/9)x + (5/12)x = (16/36)x + (15/36)x = (31/36)x

This indicates that buying the dress and shoes will cost (31/36)x dollars, where x is the original amount of money Jing has to start with.

The amount left over is (5/36)x because 5/36 adds with 31/36 to get 1.

Take 1/3 of this to get:

(1/3)*(5/36)x = (5/108)x

Then set this equal to 18 and solve for x

(5/108)x = 18

5x = 18*108

5x = 1944

x = 1944/5

x = 388.80

--------------------

Let's check the answer

If she starts with 388.80 dollars, then the dress costs (4/9)*388.80 = 172.80

She's left with 388.80 - 172.80 = 216 dollars after buying the dress.

She then spends the remaining 3/4 of that on shoes. So (3/4)*216 = 162 dollars is spent on the shoes.

Jing now has 216 - 162 = 54 dollars left over.

1/3 of which is spent on the shoe bag, meaning it costs (1/3)*54 = 18 dollars

This confirms our answer.

--------------------

<h3>Answer:  $388.80</h3>
8 0
2 years ago
Jose wants to rewrite 24+9 using the greatest common factor and the distributive property. Which expression should he write?
Reil [10]
First get the factors of 24: 2*2*2*3Then the factors of 9: 3*3 Comparing the factors, the GCF is 3 Then you can rewrite the expression: 3*8 + 3*3 At this point, I'm not sure whether what you mean is really distributive property or not since this case is more of a factoring. 3*(8+3)
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Where was the first national bank located?<br><br> i need help
katovenus [111]
Philadelphia, pennsylvania!!
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Grace [21]
Not sure of the answer but i know what factors
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p (p-2)

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so maybe (p-q) (p-2) (q-2)
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12x + 3(x - 4) + 2x *<br> Your answer
AleksandrR [38]

Step-by-step explanation:

12x + 3(x - 4) + 2x

17x-12

HOPE IT HELPS U

8 0
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