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Anastaziya [24]
3 years ago
7

Plz help me with this

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:

The Placebo Effect.

Step-by-step explanation:

The sugar pills are called Placebos. If a sick person gets better taking them, it is known as the Placebo Effect.

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shirley owns a diner. she decides to charge $1.50 for 2 egga and one piece of toast a $.90 for one egg and one piece of toast. w
charle [14.2K]

Answer:

1 toast costs $0.30 and 1 egg cost $0.60

Step-by-step explanation:

Let price of 1 egg be  e  and price of 1 toast be  t

<u>"$1.50 for 2 eggs and one piece of toast":</u>

We can write  2e+t=1.50

<u>"$.90 for one egg and one piece of toast":</u>

We can write  e+t=0.90

Now, we can solve the first equation for t and substitute that into 2nd equation and solve for e:

t=1.50-2e\\Also\\e+t=0.90\\Substituting:\\e+(1.50-2e)=0.90\\e+1.50-2e=0.90\\-e=0.90-1.50\\-e=-0.6\\e=0.6

Now using the value of e (0.6) and putting it back in the first equation, we will get t:

2e+t=1.50\\2(0.6)+t=1.50\\1.2+t=1.50\\t=1.50-1.20\\t=0.30

Hence, 1 toast costs $0.30 and 1 egg cost $0.60

8 0
3 years ago
To estimate the sum or<br>sum or difference.<br>Estimate:<br>Difference:<br>​
Artemon [7]

Answer:

to estimate the sum you round to the closest number like 38 is closest to 40 so you just say you total is $40.00

difference is when say you have 30 dollars and you spend 10 the difference is 10 dollars

3 0
3 years ago
The root of 18382913
Margarita [4]

Answer:

18382913 = 4287.529941586414 the answer

Hope this helps!!!!

3 0
3 years ago
Which image below is an equilateral triangle?
Pie

Answer:

Triangle A

Step-by-step explanation:

An equilateral triangle has equal side lengths.

Hence, the correct option from the given is :

<u><em>Triangle A</em></u><u><em> has three sides each measuring 7 units.</em></u>

3 0
2 years ago
Express the answer with the proper number of significant digits 18.8998/2.2
Iteru [2.4K]

Answer:

8.6

Step-by-step explanation:

18.8998/2.2 = 8.590818181...

Since 2.2 has 2 significant digits, the answer has to have 2 significant digits.

Answer: 8.6

3 0
3 years ago
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