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malfutka [58]
2 years ago
9

Solve for the missing side

Mathematics
1 answer:
andrezito [222]2 years ago
6 0

Answer:

156

Step-by-step explanation:

its perimeter i think

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PLEASE HELP!!!!!!!!!
Phantasy [73]

Part A : Substitution

Elimination

Argumentated matrices.

Part B :

1. Substitution is a method of solving systems of equations by removing all but one of the variables in one of the equations and then solving that equation. This is achieved by isolating the other variable in an equation and then substituting values for these variables in other another equation.

2. Elimination is another way to solve systems of equations by rewriting one of the equations in terms of only one variable. The elimination method achieves this by adding or subtracting equations from each other in order to cancel out one of the variables.

3. Augmented matrices can also be used to solve systems of equations. The augmented matrix consists of rows for each equation, columns for each variable, and an augmented column that contains the constant term on the other side of the equation.

Part C :

7x +y = 14

5x + y = 4

X= 5 and y = - 21

Hope this Helps : )

6 0
3 years ago
Triangle DEF contains two congruent acute angles. The sum of the measures of the two congruent acute angles is greater than 90 d
lana66690 [7]
B. <span>She is correct. The remaining angle of the triangle measures less than 90 degrees.</span>
8 0
2 years ago
Read 2 more answers
Complete the following statement with the number that makes it true.
Step2247 [10]

Answer: 1000

____________________________________________________________

kilogram, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38 ... 1 kg = 1000 grams.

8 0
3 years ago
Does anyone know how to solve this?
masya89 [10]

Answer:

b = -125/9

Step-by-step explanation:

1 + log5 ( -9b) = 4

Subtract 1 from each side

1 -1+ log5 ( -9b) = 4-1

log5 ( -9b) = 3

Raise each side to the base 5

5^  log5 ( -9b) = 5^3

This will cancel the log5

-9b = 125

Divide each side by 9

-9b/-9 = 125/-9

b = -125/9

3 0
3 years ago
Good morning can y’all help me
Ulleksa [173]

Answer:

rate of change

Step-by-step explanation:

8 0
3 years ago
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