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Tasya [4]
3 years ago
7

What is a placebo and why is it important in an experiment to test the effectiveness of a drug

Mathematics
1 answer:
Sonbull [250]3 years ago
5 0

Answer:

A placebo is a useless substance that takes the place of an actual drug

Step-by-step explanation:

This is to test to see if the drug actually does anything, or if the patients are really just deceived by their imagination

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Kathleen makes bracelets to sell in a booth at a local store. She spent $62.30 on supplies to make bracelets for the next month.
vodomira [7]

Answer:

$105.20

Step-by-step explanation:

Given that :

Cost of materials = $62.30

Cost of booth = $25 / month

Price per bracelet = $5.50

Profit of 35 bracelet is sold next month =?

Profit = Revenue - Expenses

Revenue = $5.50 * 35 = $192.50

Expenses = $25 + $62.30 = $87.30

Profit = $192.50 - $87.30

= $105.20

4 0
3 years ago
Is a triangle with the angles 60 degrees, 40 degrees, and 80 degrees unique?
oksano4ka [1.4K]

Hello,

No a triangle with these angles are not unique. This is because every triangle is supposed to have 180 degrees, just like this one.

Have a great day!

5 0
3 years ago
Which property is demonstrated below? n•1=n
Vinvika [58]

Answer:

Step-by-step explanation:

That'd be the Identity Property of Multiplication.

3 0
3 years ago
Which option is the correct option, quick please!
netineya [11]

Answer:

<h2>168°</h2>

Option A is the correct option

Step-by-step explanation:

Since, we know that angle at center is double that of the circumference.

JL = 2 × 84°

calculate the product

= 168°

Hope this helps..

Best regards!!

4 0
3 years ago
Read 2 more answers
georges playground is shown in the diagram he wants to buy timber to put all around it so that mulch does not spread how much ti
Xelga [282]
He needs 84 ft.
Step by step explanation:
(24*2)+(18*2)
48+36
84
7 0
3 years ago
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