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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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konstantin123 [22]

Answer:

A, B, C

Step-by-step explanation:

Step 1: "AB ≅ DE, AC ≅ DF, and ∠A ≅ ∠D"

A. Given.

This is the information that was given in the problem statement.

Step 2: "ΔABC ≅ ΔDEF"

B. Side-Angle-Side Postulate (SAS)

The SAS postulate says that if two triangles have a pair of congruent angles between two pairs of congruent sides, then the triangles must be congruent.  From the previous step, we can conclude the triangles are congruent.

Step 3: "∠C ≅ ∠F"

C. Corresponding parts of congruent triangles are congruent (CPCTC)

In Step 2, we established the triangles are congruent.  So now we can conclude that the corresponding angles are congruent.

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4 years ago
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Lubov Fominskaja [6]
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3 years ago
How much is the tree worth?
noname [10]

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8

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3 years ago
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Vaselesa [24]

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Step-by-step explanation:

7 0
3 years ago
Given tan(A)=5 and tan(B)=9, find the value of tan(A−B).
user100 [1]

Answer:

tan= 4

Step-by-step explanation:

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3 years ago
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