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7nadin3 [17]
3 years ago
15

Beth purchased 7 sandwiches and spent a total of $43.75. If each sandwich was the same price, what was the cost per sandwich?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

6.25 dont fake ur grade plz

Step-by-step explanation:

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Which of the following statements are true?<br> f(x)<br> g(x)
Arturiano [62]

B

Step-by-step explanation:

because the figure is based on the graphic law

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2 years ago
Factorize x^2+3x-ax-3a​
Kobotan [32]

Answer:

=−ax+x2−3a+3x

Step-by-step explanation:

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3 years ago
Х+ Зу = 6<br> бx — бу = 4
Sloan [31]

Answer:

the first one is x= 6-3y or if you are going to solve with the y it will be y =2 - x/3

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Step-by-step explanation:

hope this helps

8 0
3 years ago
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______To test the efficacy of vitamin C in preventing colds, army recruits are randomly assigned to one of two groups: one in wh
kipiarov [429]

Answer:

This type of study design is

Clinical Trial

Step-by-step explanation:

  • It is clinical trial because in this study design a treatment is given to the individuals and then we observe this treatment. In this experiment, we are studying the effects by giving 500 mg of Vitamin and Placebo to the soldiers.
  • It is not a cross-sectional study because this type of study is used to analyze characteristic of the population depending upon data but this study is not used for disease.
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  • It is not a community trial as in which a community is under observation like a city or a country and it is also not a historical prospective cohort study because in this study type, we observe the cohorts (similar objects) with the different qualities. They are studied on the basis of these qualities.
8 0
3 years ago
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What is the total surface area of a sphere if its radius is 6m?
Agata [3.3K]

Answer:

452.16 m^2

Step-by-step explanation:

The surface area of a sphere is given by

A=4πr^2

  = 4 * π * ( 6)^2

  = 4 * π *36

   144 π

Letting pi = 3.14

A is approximately 452.16 m^2

5 0
3 years ago
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