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2 years ago

4c-2d÷c elvauate for c= 2 and d=5. Enter your numerical number

Mathematics

2 answers:

jok3333 [9.3K]2 years ago

4 0

You just need to substitute 4(2)-2(5)/2
8-10/2
8-5
=3

aivan3 [116]2 years ago

4 0

Answer: 3

Step-by-Step Explanation:

=> 4c - 2d/c; c = 2 and d = 5

Substitute values of ‘c’ and ‘d’ :-

= 4c - 2d/c
= 4(2) - 2(5)/(2)
= 8 - 10/2
= 8 - 5
=> 3

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Determine whether the given number is a solution of the given equation.

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Answer:

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Step-by-step explanation:

Switch x for 6:

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Subtract 6 from 8:

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2 years ago

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3 years ago

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there are 800 seats in the varsity theater. during regular preformances, all seats cost $12 each. It costs the owner $275 to pay

r-ruslan [8.4K]

Answer:

The correct answers are the following:

A) P=12n-275

B) 124

C) Decrease by $100

Step-by-step explanation:

A) P=12n-275  - Each person (n) pays $12, then the cost/expense ($275) is subtracted from the income to get the profit.

B) 1,213=12n-275 - Plug in the value for P ($1,213).

1,488=12n - Add $275 to both sides.

124=n - Divide both sides by $12.

n=124  - This the number (n) of people that attended.

C) P=12n-375 - Change the value for expense to $375.

P=12(124)-375 - Plug in the value for n (124).

P=1488-375 - Simplify and find the difference.

P=1,113 - This is your profit.

1,113-1,213=-100  - $100 reduction/decrease of profit (or -$100 to profit)

Hope this helps!

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2 years ago

A survey showed that 30% of students bring their lunch to school. The survey polled 300 students. How many of the 300 students d

Karolina [17]

Let's first find how many students bring their lunch to school. This is 30% of 300. To find this value, convert the percentage to a fraction (or decimal) and multiply:

$30\% \,\, \textrm{of} \,\,300 = \dfrac{3}{10} \cdot 300 = \dfrac{900}{10} = 90$

Since 90 students bring their lunch to school, we can say 210 students do not bring their lunch to school. (300 - 90 = 210)

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3 years ago

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Answer:

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