WILL GIVE BRAINLIEST PLEASE HELP

Mathematics

2 answers:

sergeinik [125]3 years ago

4 0

Answer:

F, I’m not sure but i would go with F since you want the original cost or rather “c”, you want to divide that to get the $5.50 which it states that that’s the half price.

sweet-ann [11.9K]3 years ago

3 0

Answer:

Step-by-step explanation:

sale price = $5.50

(1/2) or 50% off the price.

let c = original price

c/2 = 5.50

c = $11

so the answer is F.

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If sum of two no is 21 and sum of their square is 256 find the number

polet [3.4K]

Step-by-step explanation:

you're going to solve for y in the first equation and then substitute it in for the second equation and solve.

4 0

3 years ago

2 doctors is what % of 25 doctors

Elanso [62]

For this case we propose a rule of three:

25 ------------> 100%

2 --------------> x

Where the variable "x" represents the percentage equivalent to 2 doctors.

$x = \frac {2 * 100} {25}\\x = 8$

Thus, 2 doctors represent 8% of 25

Answer:

2 doctors represent 8% of 25

7 0

3 years ago

Answer fast pleaseeee :)

pochemuha

<u>Answer:</u>

The correct answer option is 'both Adler and Erika solved for <em>k</em> correctly because either the addition property of equality or the subtraction property of equality can be used to solve for <em>k</em><em>'.</em>

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

Both Adler and Erika have solved for <em>k</em> correctly since both the properties, addition property of equality and subtraction property of equality, can be to solve for <em>k.</em>

The fraction $\frac{1}{2}$ has to be subtracted from both the sides so even if it is added, the negative sign still would make it subtracted from both the sides.