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IgorLugansk [536]
3 years ago
8

How do I write an equation that has variables on both sides and has a solution of -3

Mathematics
1 answer:
Colt1911 [192]3 years ago
8 0
I guess just work backwards. 
x=-3
2x=-6
x=-x-6

There ya go :P 
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Structions: In each sentence, write the correct form of the adverb shown in parentheses. Then write a sentenc
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Answer:

Step-by-step explanation:

8 0
3 years ago
Pool #1 is a rectangle that is 14 feet wide. The length is (14– 8)2ft.
kap26 [50]

Answer: the length is 6 feet. The width is 2 feet

Step-by-step explanation:

The garden pool is rectangular in shape.

Let L represent the length of the rectangular garden.

Let W represent the width of the rectangular garden.

The area of a rectangle is expressed as L× W. The area of the rectangular garden pond is 12ft^2. It means that

L× W = 12 - - - - - - - - - - 1

The length of the pool needs to be 2ft more than twice that width. This means that

L = 2W + 2 - - - - - - - - - - - 2

Substituting equation 2 into equation 1, it becomes

W(2W + 2) = 12

2W^2 + 2W = 12

2W^2 + 2W - 12 = 0

W^2 + W - 6 = 0

W^2 + 3W - 2W - 6 = 0

W(W + 3) - 2(W + 3) = 0

W - 2 = 0 or W + 3 = 0

W = 2 or W = - 3

Since the Width cannot be negative, then the width is 2 feet

Substituting W = 2 into equation 2. It becomes

L = 2×2 + 2 = 6 feet

8 0
3 years ago
25 mice were involved in a biology experiment involving exposure to chemicals found in ciggarette smoke. 15 developed at least 1
Vaselesa [24]

The number of mice that didn't get a tumor is 9 mice out of the 25 mice.

<h3>How to know how many mice didn't have a tumor?</h3>

Identify the total mice who did not have any effects or the effects did not include a tumor.

Repiratory failure: 9 mice

Based on this, it can be concluded 9 mice did not have a tumor, while 21 mice hat at least a tumor and some of them had a tumor and respiratory failure.

Note: This question is incomplete; here is the missing section:

  • How many didn't get a tumor?

Learn more about mices in: brainly.com/question/20662365

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3 0
2 years ago
Please help me with this I need it bad
lana66690 [7]

Answer:

1

Step-by-step explanation:

The average rate of change is the gradient _

Gradient = Rise / Run = (y2 - y1) / (x2 - x1)

From the table ;

x2 = 4 ; x1 = - 1 ; y2 = 5 ; y1 = 0

Gradient = (y2 - y1) / (x2 - x1) = (5-0) / (4 - - 1) = 5/5 = 1

3 0
3 years ago
A person is standing exactly 36 ft from a telephone pole. There is a 30 degree angle of elevation from the ground to the top of
ahrayia [7]
A person stands at point A. BC is a telephone pole.

tanA =  \frac{BC}{AB} \ \ \to \  \\BC = AB * tanA = 36 * \frac{ \sqrt{3} }{3} =12 \sqrt{3} \approx  20.78 \ ft.

8 0
3 years ago
Read 2 more answers
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