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VikaD [51]
3 years ago
8

(2y+1.6)/0.8=30/2.5 Please Help! Solve for Y

Mathematics
2 answers:
7nadin3 [17]3 years ago
6 0

Hey there!!

We have:

... (2y+1.6)/0.8 = 30/2.5

... (2y+1.6)/0.8 = 12

Multiplying 0.8 on both sides.

... (2y+1.6) = 12×0.8

... 2y+1.6 = 9.6

Subtracting 1.6 on both sides:

... 2y = 9.6-1.6

... 2y = 8

Dividing by 2 on both sides:

... y = 8/2

... y = 4

<u><em>Hence, the required answer is 4. </em></u>

Hope my answer helps

galina1969 [7]3 years ago
3 0

y = 4

first note that the right side simplifies to 12, equation can be written

\frac{2y+1.6}{0.8} = 12 ( multiply both sides by 0.8 )

2y + 1.6 = 9.6 ( subtract 1.6 from both sides )

2y = 8 ( divide both sides by 2 )

y = 4


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juin [17]

Answer:

a)After 6 days region D will catch region C

b) Region C will sell 13500 cookies and region D will sell 13600 cookies

Step-by-step explanation:

a) Cookies sold by region C more than region D= 1500-1200=300

But region D can sells 50 cookies every day i-e

50 cookies = 1 day

==> 1 cookie= 1÷50

==> 300cookies = 300÷50=6 days

So, after 6 days region D will catch up region C's

b) If sale stopped after 8 days;

Then sale of region C for 8 days = 1500×8=12000 cookies

so , total cookies sold = 1500 +12000=13500

For region D;

Before catching up region C cookies sold by region D = 1200

Till catching up region C - region D had also sold 1500 cookies,

and for 50 extra cookies than region C

next 8 days region D will sale =(1500+50)×8=1550×8=12400 cookies

So, total number of cookies sold by region D = 1200+12400=13600

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3 years ago
Andy estimated that he would need 73 feet of lumber for a tree house project. He later found that the actual amount of lumber ne
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Answer:

17.74%

Step-by-step explanation:

The formula for percent error is given as:

|Estimated value - Actual value|/Actual value × 100

From the above question:

Estimated value = 73 feet

Actual value = 62 feet

Hence,

Percent error = |73 - 62|/62 × 100

= 11/62 × 100

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Approximately , percent error = 17.74%

Therefore, the percent error of Andy's estimation is 17.74%

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3 years ago
Find the area of Show your work and use appropriate units.
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Answer:

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Step-by-step explanation:

Refer to attached

<u>Area of the triangle formula:</u>

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b is given: AB = 9 in

<u>Line CD is added for h, finding its value:</u>

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  • h = 7*0.966
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<u>Then finding the area:</u>

  • A = 1/2*6.76*9 = 30.42 in²

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Jeremy received a Bill with a balance due of 25.60
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Answer:

6.40$

Step-by-step explanation:

HOPE THIS HELPS

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