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1 year ago

What is DA equal to? Brainiest if correct and please show your answer.

Mathematics

1 answer:

Naddik [55]1 year ago

5 0

Answer:

<h2>DA is equal to 25 or BA</h2>

Step-by-step explanation:

ABC

ADC

Since we know that line CA is equal to line CA because of reflexive property
Angle BAC and DAC are equal because of definition of an angle bisector
Angle ABC and ADC are equal because of definition of an angle bisector
This will give us ASA, proving to us that all sides and angles are congruent (this was already given to us)
So, if BA is 25, and we know that BA is congruent to DA, this tells us that DA is 25

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2(x – 2) + 6 = 0 can anyone tell me the answer with steps please

Andrews [41]

Answer:

x = -1

Step-by-step explanation:

2(x – 2) + 6 = 0

~Distribute left side

2x - 4 + 6 = 0

~Combine like terms

2x + 2 = 0

~Subtract 2 to both sides

2x = -2

~Divide 2 to both sides

x = -1

Best of Luck!

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2 years ago

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3 years ago

What does 2×4+5-3=? Then divide the answer by Five.

Wewaii [24]

Answer:

Step-by-step explanation:

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3 years ago

Use completing the aquare to solve for x in the equation (x+7)(x-9)=25

Tema [17]

Answer:

x = 1 + sqrt(89) or x = 1 - sqrt(89)

Step-by-step explanation:

Solve for x:

(x - 9) (x + 7) = 25

Expand out terms of the left hand side:

x^2 - 2 x - 63 = 25

Add 63 to both sides:

x^2 - 2 x = 88

Add 1 to both sides:

x^2 - 2 x + 1 = 89

Write the left hand side as a square:

(x - 1)^2 = 89

Take the square root of both sides:

x - 1 = sqrt(89) or x - 1 = -sqrt(89)

Add 1 to both sides:

x = 1 + sqrt(89) or x - 1 = -sqrt(89)

Add 1 to both sides:

Answer: x = 1 + sqrt(89) or x = 1 - sqrt(89)

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3 years ago

Whats 9+10 ? A)12 B)21 C)19 D)9

Ostrovityanka [42]

Answer: 21

Step-by-step explanation: (If you're serious it's 19)

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2 years ago

Read 2 more answers