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irakobra [83]
3 years ago
7

For which value of a will the equation 3(x-2)=a+3x have an infinite number of solution. A) 2 B) -6 C)6 D) -2

Mathematics
2 answers:
andrew11 [14]3 years ago
4 0
I think is C or B
Because
3(x-2) = a+ 3x
3x 6 = a + 3x
3x+3x= 6
So
6=a + 6x
Neko [114]3 years ago
3 0
I think the answer is
-6
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Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the re
Jlenok [28]

Question:

Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the relative change for each country? Answer to the nearest tenth of a percent (1 decimal place). Make sure that you fill in each answer area before checking "How Did I Do?".

If you assume that the U.S. population is about 300 million, an increase of 12 million would result in a relative change of Number %.

If you assume that China has about 1 billion people, an increase of 12 million would result in a relative change of Number %.

Answer:

The relative change of the United States and China is 4% and 1.2%, respectively.

Step-by-step explanation:

Given

Represent population with p. So, we have:

United States

\triangle p = 12\ million

p_1 =300\ million

China

\triangle p = 12\ million

p_1 =1\ billion

Required

Determine the relative change for each country

Relative change, C is calculated as:

C = \frac{\triangle p}{p} * 100\%

For United States

C = \frac{12\ million}{300\ million} * 100\%

C = \frac{12}{300} * 100\%

C = \frac{12 * 100}{300}\%

C = \frac{1200}{300}\%

C = 4\%

For China

C = \frac{12\ million}{1\ billion} * 100\%

C = \frac{12}{1000} * 100\%

C = \frac{12* 100}{1000} \%

C = \frac{1200}{1000} \%

C = 1.2\%

The relative change of the United States and China is 4% and 1.2%, respectively.

3 0
3 years ago
2 to the square root of 6 + 3 to the square root of 54
sdas [7]

Answer:

I think it's 12×54 but im probs wrong

3 0
3 years ago
Need help on this please!
omeli [17]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x).
Hunter-Best [27]

Answer: x-7

Step-by-step explanation:

f(x)+g(x)=-3x-5+4x-2=\boxed{x-7}

8 0
2 years ago
A side of the triangle below has been extended to form an exterior angle of 129°. Find the value of x.
Anvisha [2.4K]

Answer:

The value of x is 30°

Step-by-step explanation:

X° + 90° = 129° (Exterior angle property)

x° = 129° - 99° = 30°

<u>x°</u><u> </u><u>=</u><u> </u><u>3</u><u>0</u><u>°</u>

Hope it helps:)

6 0
3 years ago
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