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IceJOKER [234]
3 years ago
13

I need to solve this problem

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
7 0

Answer:

Step-by-step explanation:

First add 45 and 78 to find the total weight in grams.

45 + 78 = 123

Then find the weights that will work 1 100, 2 10, 3 1,

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3 years ago
Use the linear combination method to solve the system of equations. â€"2. 1x 4y = 5. 3 2. 1x â€" 5. 5y = â€"0. 2 What is the sol
RoseWind [281]

The solution to the systems of equations is (7, 3)

Given the systems of equations expressed as:

-x + 4y = 5 ....................1

x - 5y = -2 ...................... 2

Add both equations to have:

-x+x + 4y - 5y = 5 - 2

4y-5y = -3

-y = -3

y = 3

Substitute y = 3 into equation 1:

-x + 4(3) = 5

-x + 12 = 5

-x = 5 - 12

-x = -7

x = 7

Hence the solution to the systems of equations is (7, 3)

Learn more on simultaneous equations here: brainly.com/question/148035

4 0
2 years ago
Can someone help me ? Please thank you
Tom [10]
Correct answer is the 4th choice 16!!!

Hope this helps!!!
7 0
3 years ago
Is negitive 6 rational
n200080 [17]
-6 is a rational I believe
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Question
dem82 [27]

Answer:

AABC and AXYZ are similar triangles. The lengths of two sides of each triangle are shown. Find the lengths of the third side of each triangle

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