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noname [10]
3 years ago
6

How many twelfths are there in 2/3 of 3/4 more than 1/3 of 3/8 ? I know the answer already, please show how you do it .

Mathematics
1 answer:
maksim [4K]3 years ago
7 0
Ok so what this means is below:
\frac{2}{3}* ( \frac{3}{4}+  \frac{1}{3} * \frac{3}{8} )
Now we need to follow the rules of PEMDAS:
So inside the parentheses we need to do the multiplication first 1/3*3/8=1/8
Now we need to add 3/4 to this 1/8+3/4=7/8
Now do 2/3 of the value of the parenthesis 7/8
This is 14/24 = 7/12
Therefore there are 7 twelfths
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Convert this number expressed in standard form to scientific notation.<br><br> 28,500,000
tekilochka [14]

Answer:

2.85 × 10^7

Step-by-step explanation:

1.In scientific notation, the whole number before the decimal point shouln't be more than 10(exclude 10) or less than 1(include 1)

2.Count the digits after the decimal point to write the power.

Solution;

1. 2.85( 2 is not less than 1 as well as more than 10).

2.Since there are 7 digits after the decimal point, we should write the power 10^7.

3. Complete answer;

2.85 × 10^ 7

6 0
3 years ago
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stiks02 [169]

Answer:give me brainlist

Step-by-step explanation:

6 0
3 years ago
the insurance company pays the forecast of 3900 prescriptions claims out of 4500 prescription claims submitted what is the rate
nadya68 [22]

Answer:

x=0.87  or   86.67%

13 prescription claims out of 15 are paid

Step-by-step explanation:

First we organize the data:

prescription claims submitted: 4500

Prescriptions: 3900

The rate of claims paid is calculated using the following formula:

x =\frac{Paid}{Total}

We know that:

Paid = 3900

Total = 4500

So

x =\frac{3900}{4500}

x =\frac{39}{45}

x =\frac{13}{15}

x=0.87

6 0
3 years ago
Help me with this please
liraira [26]

Answer:

B

Step-by-step explanation:

the data value of x is 0 the the value would be .75 times that by 2 get 1.25

8 0
3 years ago
Darryl has written 60 percent, or 12 pages, of his history report. Darryl wants to figure out how many total pages he needs to w
Valentin [98]

Answer:

total pages = 20

Step-by-step explanation:

60% of an unknown number is 12

Let the unknown number (total pages) be x.

60/100 of x = 12

60/100 * x = 12

3/5 x = 12

x = 12 * 5/3

x = 20

8 0
3 years ago
Read 2 more answers
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