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xxTIMURxx [149]
3 years ago
13

You are at a trade show where you are selling baseball cards for $4 a card and buying baseball cards for $6 a card. If you start

ed the day with $200, how much money do you have at the end of the day if you sold c baseball cards and bought b baseball cards? A) 4c - 6b B) 200 + 4c - 6b C) 200 - 4c + 6b D) 200 - 2(c + b) E)
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

B) 200 + 4c - 6b

Step-by-step explanation:

Be,

c = number of cards sold at $4

b = number of cards purchased at $6

x = money at the beginning of the day = $200

y = money at the end of the day

The variables x and c owe positive values because they represent possession or income of money, while b must be negative because purchases are expenses.

Then, the following equation is formed:

y = x + 4c - 6b

Substituting x for its value, you get

y = 200 + 4c - 6b

Hope this helps!

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Three years after paying $2800 in a startup company, you sell for $2200. The total percent return is what?​
masha68 [24]

Answer:

The total percentage return is 26.19

Step-by-step explanation:

Given as :

The amount paid for three years = $ 2800

So, Total amount paid for three years = $ 2800 × 3 = $ 8400

The return amount after three years = $ 2200

The time period = 3 years

Let the percentage return = x %

So, According to question

x % of $ 8400 = $ 2200

Or, x % = \frac{2200}{8400}

Or, \frac{x}{100} = \frac{11}{42}

∴  x = \frac{11}{42} × 100

I.e x = 26.19

Hence The total percentage return is 26.19 Answer

3 0
3 years ago
Can you help with all math questions?
forsale [732]
No but , they can be pretty easy sometimes
7 0
3 years ago
Read 2 more answers
If 2x^2 -2y^2 = 72 and if x+y=18 what does x-y equal
Tju [1.3M]
First factor out the 2:

x^2 - y^2 = 36

x^2 - y^2 can be factored into (x+y)(y-y) so:

(x + y)(x - y) = 36

plug in your value:

18 (x-y) = 36 and you should be able to take it from there
7 0
3 years ago
Read 2 more answers
A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 47.0 and 52.
Pavlova-9 [17]

Answer:

0.15 or 15%

Step-by-step explanation:

Since lengths are uniformly distributed, the probability that a class period runs between a two exact times is:

P(x_1\leq x \leq x_2)=\frac{x_2-x_1}{b-a}

In this case, a = 47.0 and b = 52.0 minutes.

The probability that a given class period runs between 50.25 and 51.0 minutes is:

P(50.25\leq x \leq 51.0)=\frac{51.0-50.25}{52-47} \\P(50.25\leq x \leq 51.0)=0.15=15\%

The probability is 0.15 or 15%.

7 0
3 years ago
A fine orchestral performance will exhibit the skills of
Paladinen [302]

The correct option is (D) their responses

A fine orchestral performance will exhibit the skills of the musicians, their abilities to work as an ensemble, and how their responses to the conductor.

<h3>What are singular and plural pronouns?</h3>

Singular nouns, which are used to refer to a single person, place, thing, or idea, are replaced by singular pronouns.

When referring to more than one person, place, thing, or idea, plural pronouns take the place of plural nouns.

The plural pronoun "their" was used earlier in the text, but the construction "he or she" does not match that usage. Only choice D addresses existing issues without introducing new ones. The other choices are wrong because they are grammatically incorrect.

To know more about nouns, visit: brainly.com/question/11598941

#SPJ4

5 0
2 years ago
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