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stealth61 [152]
2 years ago
12

If x-1/3 = kand k = 3, what is the value of x? a. 2 b. 4 c. 9 d. 10

Mathematics
2 answers:
Maru [420]2 years ago
7 0

Answer:

x-1/3 = k

or, x-1/3 = 3 ( putting k = 3 )

or, x-1/3+1/3 = 3+1/3 ( adding 1/3 to both sides of the equation)

or, x = 3+1/3

or, x = {3(3)+1}/3

or, x = 10/3

Hopefully it helped you.

frosja888 [35]2 years ago
5 0

Answer:

X=10

Step-by-step explanation:

Plug 3 into the k in the first equation. Multiply by 3 to cancel out the fraction. This leaves you with x-1=9. Add 1 to both sides and you get x=10.

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Susan walks 2 kilometers during each trip to school how many trips will susan have to make in all to walk a total of 4 kilometer
Genrish500 [490]

Answer:

2

Step-by-step explanation:

2 km per trip x 2 trips = 4 km

6 0
3 years ago
Toby's little brother used his set of wooden blocks to build a giant tower. He stacked up 30 blocks to make a tower that was 64
dangina [55]

Solution to the question:

Number of blocks stacked: 30

Height of tower: 64 inches

Height of each block: ?

To find the height of each block, we divide the total height of the tower with the number of blocks stacked

Therefore,

Height of each block: 64/30 = 2.13 inches

So, the height of each block is 2.13 inches.

8 0
3 years ago
Answer I will mark your brainlist
yan [13]

Answer:

Mark C.

Step-by-step explanation:

If there are 27 students in both classes, it's logicial to multiply both classes by two to get the total students.

Since the <em>S</em> stands for the students absent, that should come after the brackets.

3 0
2 years ago
Write<br> 9,639<br> as a decimal number.<br> 10,000
Lyrx [107]

Answer:

.9639

9.639 * 10^3

Step-by-step explanation:

This question was unclear but this is the closest I understood of.

Hope this helped! :)

4 0
2 years ago
But The aquarium charges $12 per ticket for adults and $5per ticket for children. A group of 90 children and adult chaperones vi
White raven [17]

Answer:

There were 76 childrens and 14 adults.

Step-by-step explanation:

Since the group has a total of 90 children and adults, then the sum of the number of adults with the number of children must be equal to 90 as shown below:

children + adults = 90

Since the total cost for their tickets was 548 then the number of children multiplied by the price of their ticket summed by the number of adults multiplied by the price of their ticket must be equal to that. We have:

5*children + 12*adults = 548

With these two equations we have a system of equations shown below:

children + adults = 90

5*children + 12*adults = 548

In order to solve this we will multiply the first equation by -5, and sum both equations we have:

-5*children - 5*adults = -450

5*children + 12*adults = 548

7*adults = 98

adults = 98/7 = 14

children + 14 = 90

children = 90 - 14 = 76

There were 76 childrens and 14 adults.

7 0
2 years ago
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