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pishuonlain [190]
2 years ago
13

PLS HELP

Mathematics
2 answers:
icang [17]2 years ago
8 0
Wouldn't the answer be: 435.84m
vlada-n [284]2 years ago
3 0

Answer:

435.84 is the answer.

Step-by-step explanation:

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Help me pleaseeeeeeeee
topjm [15]

Answer:

x = 6, y = 3

Step-by-step explanation:

Let Sally's age be x and Tomas's age be y.

Sum of Sally's age plus twice Tomas's age: x + 2y = 12

Difference of Sally's age and Tomas's age: x - y = 3

Multiply the second equation by two and add it to the first equation to get

3x = 18, which means x = 6.

Plug 6 in for x in the second equation to get 6 - y = 3, which means y = 3.

7 0
3 years ago
Read 2 more answers
Question down below about linear equations and grapghing.
Alik [6]

The system of equations is -x + y = 4 and -2x + y = 0

<h3>How to create the system of linear equations?</h3>

To do this, we make use of the following ordered pairs

(4, 8)

The above point represents April 2008.

Let the system of equations be

mx + ny = 4

2mx + ny = 0

Substitute (4, 8) for x and y in the above equations.

4m + 8n = 4

8m + 8n = 0

Subtract both equations

4m - 8m = 4

This gives

-4m = 4

Divide by 4

m = -1

Substitute m = -1 in 8m + 8n = 0

-8 + 8n = 0

This gives

8n = 8

Divide by 8

n = 1

So, the system of equations is -x + y = 4 and -2x + y = 0

<h3>The graph of the system of equations</h3>

The system of equations is -x + y = 4 and -2x + y = 0

See attachment for the graph of the system of equation

<h3>Prove that the solution is (4, 8)</h3>

The above is represented in the (a) part of this solution

Verify that the solution is (4, 8)

We have:

-x + y = 4 and -2x + y = 0

Substitute (4, 8) for x and y in the above equations.

-4 + 8 = 4 --- true

-2*4 + 8 = 0 --- true

Both equations are true

Hence, the system of equations have been verified

Read more about system of equations at:

brainly.com/question/14323743

#SPJ1

6 0
1 year ago
Find the length of one side of a rhombus with diagonals 30 and 72
fgiga [73]

Answer:

51

Step-by-step explanation: I hope I'm not wrong :)

8 0
3 years ago
Please help! This is timed!
docker41 [41]

Answer:b

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help me with this homework
NNADVOKAT [17]

Answer:

answer is |-1| < 7

8 0
2 years ago
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