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Brums [2.3K]
2 years ago
11

If there was 8 men in the shop not including the shop keeper and they all go shot how many people were left in the shop?

Mathematics
2 answers:
Ahat [919]2 years ago
6 0

Answer:

1

Step-by-step explanation:

The questions says 8 men not including the shop keeper. The shop keeper is left

Trava [24]2 years ago
3 0

Answer:

1

Step-by-step explanation:

Because it's not including the shop keeper.

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Acellus
marishachu [46]

Answer: (0, 3)

Step-by-step explanation:

7 0
2 years ago
The three planes given meet at a point. The planes are 3x+y-2z = 11, 4x-2y+z = -5, x+5y-4z = 33. The intersection is at what poi
Mumz [18]

Answer:

(2, 7, 1)

Step-by-step explanation:

We have three equations, and using Gauss-Jordan Elimination, we can solve for x, y, and z

3x + y - 2z = 11

4x - 2y + z = -5

x + 5y - 4z = 33

We can start by taking out the z from all rows except one. To do this, we can work with the second row. I chose the second row because -5 is small and easy to add up with other numbers, and z has no coefficient in this row.

We can add 2 times the second row to the first row and 4 times the second row to the third row to get

11x - 3y = 1

4x - 2y + z = -5

17x -3y = 13

We then have the first and third rows having two variables. Since the y coefficients are the same, we can eliminate the y by adding the negative of the first row to the third row. Our result is then

11x - 3y = 1

4x - 2y + z = -5

6x = 12

From the third row, we can gather that x= 2. We can then plug that into the first row to get

22 -3y = 1

subtract 22 from both sides

-3y = -21

divide both sides by -3

y = 7

We can then plug our x and y values into the second row to get

4(2) - 2(7) + z = -5

8 - 14 + z = -5

-6 + z = -5

add 6 to both sides

z = 1

Our answer is thus (2, 7, 1)

7 0
2 years ago
3(x-4)=2x-7+x<br> which one<br> A. Infinitesolutions<br> B.x=0<br> C.x=3<br> D.x=-2<br> E.x=-3
BARSIC [14]

Answer:

no solutions

Step-by-step explanation:

I attached the pic of solution

4 0
2 years ago
Jin ran 15.2 miles over the weekend.he ran 6.75 miles on saturday.how many miles did he run on saturday?
Ivan
For order you to solve that all you half to do is subtract 6.75 from 15.2.
5 0
3 years ago
Read 2 more answers
Find two numbers with the sum of 65.twice the smaller number is ten more than the bigger one
melomori [17]

Step-by-step explanation:

To begin, let’s represent both numbers with letters; x for the smaller number and y for the larger one

The question states that both numbers sum up to 65. With that, we can create our first equation:

x+y = 65

You also went on to say that the smaller number multiplied by 2, is equal to the sum of the larger number and 10. Therefore

2x = y+10

We can rearrange the first equation, place it in the second equation and find our answer. So,

Rearranging equation 1, we have y=65-x. Hence:

2x = 65-x +10

3x = 75

x= 75/3 = 25

Substituting this value into equation 1, we have ‘y’ to be 40 {65–25}

Proof: 2*25 = 50 = 40+10

4 0
2 years ago
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