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Alenkinab [10]
3 years ago
15

C+2c+12=75 what is the value of c?

Mathematics
2 answers:
il63 [147K]3 years ago
6 0
C + 2c + 12 = 75

Combine like terms:

3c + 12 = 75

Subtract 12 to both sides:

3c = 63

Divide 3 to both sides:

c = 21
Alekssandra [29.7K]3 years ago
4 0
Add like terms1c+2c=3c
3c+12=75
subtract 12 from both sides
3c=63
divide both sides by 3
c=21
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Pleas help me find the answer and show the work to this question
lions [1.4K]

Answer:

Leg\ 1 = 8

Leg\ 2 = 15

Step-by-step explanation:

Given: See Attachment

Required

Determine the length of the legs

To do this, we apply Pythagoras theorem.

Hyp^2 = Adj^2 + Opp^2

In this case:

17^2 = x^2 + (2x- 1)^2

Open Bracket

17^2 = x^2 + 4x^2- 2x-2x + 1

17^2 = 5x^2 - 4x + 1

289= 5x^2 - 4x + 1

Collect Like Terms

5x^2 - 4x + 1 - 289 = 0

5x^2 - 4x - 288 = 0

Solving using quadratic formula:

x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}

So:

x = 8 or x = -7.2

Since, x can't be negative, then:

x = 8

One of the leg is:

Leg\ 1 = x

Leg\ 1 = 8

Leg\ 2 = 2x - 1

Leg\ 2 = 2*8 - 1

Leg\ 2 = 16 - 1

Leg\ 2 = 15

6 0
2 years ago
I need help I don’t understand this at all
Alina [70]

Answer:

it is 60

Step-by-step explanation:

1= what, well its 60

7 0
2 years ago
Read 2 more answers
Y-3=-3y-43 how would i solve?​
frez [133]

Answer: y−3=−3y−43

Step 1: Add 3y to both sides.

y−3+3y=−3y−43+3y

4y−3=−43

Step 2: Add 3 to both sides.

4y−3+3=−43+3

4y=−40

Step 3: Divide both sides by 4.

4y

4

=

−40

4

y=−10

Answer:

y=−10

Step-by-step explanation: brainliest:)

7 0
3 years ago
Is this proportional or nonpoportional?​
Romashka-Z-Leto [24]
No I don’t think so (&/&/ need extra characters)
6 0
3 years ago
''Write an equation for line ` l `.''
lawyer [7]
Y=4 I’m pretty sure
3 0
3 years ago
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