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3 years ago

Enter the number that belongs in the green box cd=

Mathematics

2 answers:

kondaur [170]3 years ago

8 0

Answer:

Step-by-step explanation:

I think 9 since there’s a right angle, so there’s an assumed right angle on the other side of the line. 9 is the hypotenuse when AB is 3 so I think CD would also be 9 since BC is 3 as well.

qwelly [4]3 years ago

4 0

57 because it is right n mark ne brain list please

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Answer:

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Step-by-step explanation:

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3 years ago

WILL GIVE BRAINLIEST IF CORRECT!

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Answer:

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Step-by-step explanation:

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3 years ago

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Solve x3 = 1 over 8.

marishachu [46]

X^3=1/8

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ELEN [110]

Answer:

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Step-by-step explanation:

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4 0

3 years ago

Find the solution for the following equations using substitution or elimination:

Dvinal [7]

Answer:

(4, 1)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Solving systems of equation using substitution/elimination

Step-by-step explanation:

Step 1: Define systems

2x - 3y = 5

4x + 2y = 18

Step 2: Rewrite systems

2x - 3y = 5

y = 9 - 2x

Step 3: Solve for x

Substitute: 2x - 3(9 - 2x) = 5
Distribute -3: 2x - 27 + 6x = 5
Combine like terms: 8x - 27 = 5
Add 27 on both sides: 8x = 32
Divide 8 on both sides: x = 4

Step 4: Solve for y

Define: 2x - 3y = 5
Substitute: 2(4) - 3y = 5
Multiply: 8 - 3y = 5
Isolate y term: -3y = -3
Isolate y: y = 1

And we have our final answer!

8 0

3 years ago