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Ne4ueva [31]
3 years ago
10

Help me plz good points

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

you find the LCM of 3, 4 and 7 which is 84.

84/3= 28 so x= 28

84/4= 21 so y=21

84/7= 12 so z=12

therefore, 28+21+12= 61. Your answer is D

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Calculate the total area of the triangular prism.
netineya [11]

Answer:

35 + 28 + 21 + 6 + 6 = <u>96</u>

6 0
3 years ago
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X-5y=-15 Complete the missing value in the solution to the equation (-5,__)
Lapatulllka [165]

Answer:

Ok,(-5,__) means that -5 is the x intercept and the missing number is the y intercept

So, We need to substitute x with -5 in the equation to get the value of y

x-5y=-15

-5-5y=-15

-5y=-15+5

-5y=-10

-5y/-5=-10/-5

y=2

So,the missing value is 2. (-5,2)

I hope this help.Please give me the brainliest

Step-by-step explanation:

8 0
3 years ago
If there are 360 grams of radioactive material with a half-life of 8 hours, how much of the radioactive material will be left af
lyudmila [28]

Answer:

There will be 22.5 grams left after 32 hours.

Step-by-step explanation:

A half-life is how long it takes for half of the amount to go away. In this case, we see that we have two half-life periods worth, which you can determine by dividing the total time by the half-life time.

32hrs/8hrs = 4 half lives.

Now we can raise 1/2 to the power of how many half lives we have (2). Then we multiply that by the amount in the sample.

(1/2)^4 * 360

1/16 * 360

22.5 grams

And this is an exponential function.

4 0
3 years ago
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In Los Angeles County, property taxes are typically due twice a year. They are due in November 1st, delinquent in December 10th
rusak2 [61]

Answer:

  19.25224 mils

Step-by-step explanation:

Property 1 has a total assessed value of ...

  $75,000 +125,000 +1,275 = $201,275

and a total tax of

  2×$1,937.50 = $3,875

__

Property 2 has a total assessed value of ...

  $187,500 +312,500 +3,187.50 = $503,187.50

and a total tax of

  2×$4,843.74 = $9,687.48

__

The total assessed value of the two properties is ...

  $201,275 +503,187.50 = $704,462.50

The total tax on the two properties is ...

  $3,875.00 +9,687.48 = $13,562.48

So, the effective tax rate is ...

  $13,562.48/$704,462.50 ≈ 0.01925224 = 19.25224 mils

_____

<em>Additional comments</em>

We have not included penalties in our computation of the effective tax rate, because those can be avoided by timely payment. They are not assessed based on property value, but are based on the time between tax being due and tax being paid. YMMV

We expect the same rate to apply to both parcels. Using this rate for the separate parcels gives values that may be off by a penny. We chose to present the tax rate value to 7 significant figures, because the amount of total tax has 7 significant figures.

6 0
3 years ago
20men working 8hours a day took 18days to complete a work . How long will 24 men working 5 hours a day take to complete the some
Mila [183]

Step-by-step explanation:

20 men work 8 hours a day for 18 days.

that are

20×8×18 = 2880 work hours to complete that work.

if 24 men work 5 hours a day, that are

24×5 = 120 work hours per day.

we still need to do the total 2880 work hours.

so, they will need

2880 / 120 = 24 days to complete the work.

7 0
2 years ago
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