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mr_godi [17]
3 years ago
13

A survey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand X aspirin. How many doctors use brand X aspirin

?
Mathematics
1 answer:
VladimirAG [237]3 years ago
7 0
This is a proportion problem that involves cross-multiplication
Set your problem up like so:
\frac{x}{2,000} = \frac{3}{5}

Now cross multiply
2,000 x 3 = 6,000
now you're left with 5x = 6,000
Now divide by 5 on both sides
Answer is 1,200
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Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer. 1 inch ≈
masya89 [10]
1225*(1.578*10^-5)=1.933*10^-2

1.578*10^-5= 0.00001578

1225*0.00001578=0.0193305

0.0193305=1.933*10^-2

5 0
3 years ago
What is the value of b in the equation 3b + 2(b − 1) = 8?<br><br> 2<br> 5<br> 8<br> 10
Zanzabum
3b+2(b-1) = 8 3b+2b-2 = 8 5b = 8+2 5b = 10 b = 2
6 0
3 years ago
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Maya visits the movie rental store on one wall there are 6 DVDs on each of 5 shelves on another wall there are 4 DVDs on each of
guapka [62]
6 x 5 = 30
4 x 4 = 16
30 + 16 = 46
There are 46 DVDs in total.
4 0
3 years ago
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HELP IVE BEEN STRUGGLING FOR THE PAST 15 MIN PLEASEEEEE
joja [24]

<u>Answer:</u>

c=  -1/2

<u>Step-by-step explanation:</u>

Let's solve your equation step-by-step.

4 /3  = −6c − 5/ 3

Step 1: Simplify both sides of the equation.

4 /3  =−6c +  −5 /3

Step 2: Flip the equation.

−6c +  −5 /3  =  4/3

Step 3: Add 5/3 to both sides.

−6c +  −5 /3  +  5 /3  = 4/3  +  5 /3  −6c

=3

Step 4: Divide both sides by -6.

−6c  −6   =  3 − 6 c =  −1 /2

4 0
3 years ago
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The coefficient of first term of a polynomial written in standard (descending order) form is called the ____ coefficient ?
Black_prince [1.1K]
We know that
<span>
1) The degree of a polynomial is the highest degree of its terms</span>
<span>2) The leading term in a polynomial is the highest degree term</span>
<span>3) The leading coefficient of a polynomial is the coefficient of the leading term</span>  
Therefore

The coefficient of first term of a polynomial written in standard (descending order) form is the coefficient of the leading term, thus is called the leading coefficient.

  the answer is
The leading coefficient<span> </span>
8 0
3 years ago
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