3 years ago

The sum of 112cx, 3c, -12cx, and 70

Mathematics

1 answer:

aivan3 [116]3 years ago

4 0

Because your going from 0 to 2

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A pizzeria charges $ 7.99 for a simple pizza. A customer can add ingredients for $ 0.79 each. If x represents the number of ingr

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Step-by-step explanation:

7.99 = 2.37x

Because we will multiply 0.79 x 3 = 2.37

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3 years ago

The ratio of the number of boy campers to the number of girl campers was 8:7. If there were a total of 195 campers, how many boy

kupik [55]

8x - amount of boys
7x- amount of girls

8x + 7x = 195

15x= 195 ( divide by 15)

x= 13

8x = 8 x 13 = 104

7x = 7 x 13= 91

there are 104 boys, and 91 girls.

4 0

3 years ago

From a pool of 12 candidates, the offices of president, vice-president, secretary, and treasurer will be filled. In how many dif

Romashka [77]

Answer:

11,880 different ways.

Step-by-step explanation:

We have been given that from a pool of 12 candidates, the offices of president, vice-president, secretary, and treasurer will be filled. We are asked to find the number of ways in which the offices can be filled.

We will use permutations for solve our given problem.

$^nP_r=\frac{n!}{(n-r)!}$ , where,

n = Number of total items,

r = Items being chosen at a time.

For our given scenario $n=12$ and $r=4$ .

$^{12}P_4=\frac{12!}{(12-4)!}$

$^{12}P_4=\frac{12!}{8!}$

$^{12}P_4=\frac{12*11*10*9*8!}{8!}$

$^{12}P_4=12*11*10*9$

$^{12}P_4=11,880$

Therefore, offices can be filled in 11,880 different ways.

3 0

4 years ago

Which mixed number is equivalent to 11/4

puteri [66]

The correct answer is 2 3/4

5 0

4 years ago

The area of a rectangle is 72 cm square. The length of the rectangle is 6 cm longer than the width. What is the width of the rec

tangare [24]

The answer is B: 6 cm. You can use guess-and-check method, and plug the possible different answers into the equation x(x+6)=72, x stands for the width.

4 0

4 years ago

The sum of 112cx, 3c, -12cx, and 70​

The sum of 112cx, 3c, -12cx, and 70