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Furkat [3]
3 years ago
8

3(c+5) = 12 so what does c= ?

Mathematics
2 answers:
Reika [66]3 years ago
5 0
Answer: C=-1
Solve equation step by step
3 (c+5)=12

Step 1: simplify both side of the equation.
3(c+5)=12 and distribute them

Step 2: Subtract 15 from both sides.
3c+15-15=12-15
3c=-3

Step 3: Divide both sides by 3.
3c/3=-3/3
C=-1


uysha [10]3 years ago
3 0

Answer: 4

Step-by-step explanation:

12 - 5 = 7,

7 - 3 = 4.

The answer to this is 4.

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Answer: 0 ≤ x ≤ 4.75

Step-by-step explanation: Domain is the range of possible x values that make sense in the equation. Since the x values are time, and there cannot be negative time, x must obviously be positive. And since y is height and height can't be negative, the domain of x ends at the x-intercept, the point at which y begins to become negative. So the domain of x is 0 is less than or equal to x which is less than or equal to about 4.75.

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2 years ago
A ball is thrown from ground level straight up into the air at an intitial velocity of 54 feet per second. The height of the bal
bonufazy [111]

Answer:

3 3/8 seconds.

Step-by-step explanation:

When it reaches the ground h = 0 so:

54t - 16t^2 = 0

16t^2 - 54t = 0

2t(8t - 27) = 0

t = 0 or t =  27/8   (we ignore the t = 0 ) so:

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3 0
3 years ago
3. Emma said that when you multiply three negative decimals , the product will be positive . Use these numbers to answer the que
mina [271]

Using multiplication signal rules, it is found that:

A: Emma's statement is always false.

B: The result is always negative.

C: Emma's statement is always true.

The rule used for this exercise is as follows:

  • When two numbers of different signals are multiplied, the result is negative.
  • When two numbers have the same signal, the result is positive.

Part A:

  • Three numbers are multiplied, all negative.
  • The multiplication of the first two result in a positive number.
  • Then, this positive number is multiplied by a negative number, and the result will be negative, which mean that Emma's statement is always false.

Two examples are:

-2.5(-3.8)(-2) = 9.5(-2) = -19

-2.5(-2)(-0.7) = 5(-0.7) = -3.5

Part B:

The rule is that the result is always negative.

Part C:

  • The multiplication of the first two negative numbers result in a positive number.
  • Then, this positive number is multiplied by another positive number, and the result will be positive, which mean that Emma's statement is always true.

Two examples are:

-2.5(-3.8)(2) = 9.5(2) = 19

-2.5(-2)(0.7) = 5(0.7) = 3.5

A similar problem is given at brainly.com/question/24764960

5 0
2 years ago
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Answer:

6 or 7

Step-by-step explanation:

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3 years ago
Which is true regarding the system of equations?<br><br> x minus 4 y = 1. 5 x minus 20 y = 4.
goldfiish [28.3K]

Answer:

No solution

Step-by-step explanation:

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y = (¼)x - ⅕ --> (2)

Since these are 2 parallel lines with different y-intercepts, they will never meet

3 0
3 years ago
Read 2 more answers
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