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REY [17]
3 years ago
9

Solve for c. 2(c +1) = 10

Mathematics
2 answers:
coldgirl [10]3 years ago
8 0

Answer:

c=4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2(c+1)=10

(2)(c)+(2)(1)=10(Distribute)

2c+2=10

Step 2: Subtract 2 from both sides.

2c+2−2=10−2

2c=8

Step 3: Divide both sides by 2.

2c

2 = 8

2

c=4

schepotkina [342]3 years ago
3 0

Answer:

c = 4

Step-by-step explanation:

2(c+1) = 10

Lets divide both the sides by 2.

=> \frac{2 (c+1)}{2} = \frac{10}{2}

=> c + 1 = 5

Now , lets substract 1 on both the sides.

=> c + 1 - 1 = 5 - 1

=> c = 4

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Answer: Please see explanation column for answer.

x= -36

Step-by-step explanation:

Step 1

from the attachment, Mai's solving is given as

1/3 (1/2x- 9) = 1/2 (x+18)

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Solving correctly, we have that

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4 0
2 years ago
Help please!!!!!!!!!!!!!!
MaRussiya [10]

1. You can make use of the Pythagorean theorem considering "a" to be the longer leg of the largest right triangle. Then the value of "a" can be calculated from

(16+9)² = 15² +a²

625 -225 = a²

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2. You can find the altitude of the largest triangle (the length of the unmarked vertical line), then find "a" as the hypotenuse of the medium-sized right triangle.

That altitude is ...

√(15² -9²) = √144 = 12

so the length "a" is ...

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a = √400 = 20

3. Based on the 15 and 9 dimensions of the smallest right triangle, you can realize that these triangles are multiples of the 3-4-5 right triangle. Then you can use relevant ratios of the side lengths of any of the triangles of which "a" is a part.

a = 4/3×15 = 4/5×(9+16) = 5/4×16 = 20

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