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inysia [295]
3 years ago
13

Paco bought 3 CDs that cost d dollars each and a pack of gum for C cents. Write an expression for the total cost of his purchase

. 3d + c 3C + d 3d/c
Mathematics
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

The correct option is A) 3d+C.

Step-by-step explanation:

Consider the provided information.

Paco bought 3 CDs that cost d dollars each.

Let d is the cost of each CDs.

The cost of 3 CDs will be 3 times of d.

This can be written as:

3d

He bought a pack of gum for C cent. Thus, we can say that the cost of pack of gum is C.

Now add the cost of gum in above expression.

3d+C

Hence, the required expression is 3d+C.

Thus, the correct option is A) 3d+C.

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Does (10,1) make the inequality 13x+15y greater than or Equal to 19 true?
12345 [234]

Answer:

Yes

Step-by-step explanation:

13(10) + 15(1) \geq 19

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6 0
3 years ago
18 Geometry question: Use an algebraic equation to find the measure of each angle that is representative in terms of X
Dmitrij [34]

Answer:

12x - 28° = 116°

7x + 32° = 116°

Step-by-step explanation:

12x - 28° and 7x + 32° are vertical angles. Vertical angles are congruent.

Therefore, to find the measure of each angle, we have to set each equation equal to each other as follows:

12x - 28° = 7x + 32°

Collect like terms

12x - 7x = 28 + 32

5x = 60

Divide both sides by 5

5x/5 = 60/5

x = 12

✔️12x - 28°

Plug in the value of x

12(12) - 28

= 144 - 28

= 116°

✔️7x + 32°

7(12) + 32

= 84 + 32

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4 0
2 years ago
An NFL coach sometimes uses a defense that utilizes 5 defensive linemen, 4 linebackers, and 2 defensive backs. His roster (the p
german

Answer:

there are 4725 different ways to pick the 11 players

Step-by-step explanation:

assuming that a player can only play from its position and not from the other 2 , then each defensive position is independent from the others , and since the order each player is chosen is not relevant we have that:

total combinations = possible combinations of linemen * possible combinations of linebackers * possible combinations of defensive backs = combinations of 5 linemen  from 7 * combinations of 4 linebackers  from 6 * combinations of 2 defensive backs from 6 =  [ 7!/(5!*(7-5)!] * [ 6!/(4!*(6-4)!] * [ 6!/(2!*(6-2)!] = 7!/(2!*5!)*[ 6!/(4!*2!)]² = 4725 combinations

thus there are 4725 different ways to pick the 11 players

8 0
3 years ago
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