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3 years ago

1. What Asian country's flag has the MOST colors? *

Mathematics

2 answers:

Helen [10]3 years ago

8 0

Answer:

Thailand answered the question already

k0ka [10]3 years ago

6 0

I think it could be china but I’m not sure cause there all mostly the same amount

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A student solves the following equation and determines that the solution is −2. Is the student correct? Explain. 3 a + 2 − 6a a2

Ganezh [65]

For this case, we have the following equation (according to the comments):

$\frac{3}{a+2} - \frac{6a}{a^2-4} = \frac{1}{a-2}$

First, we factor the quadratic expression in the denominator:

$\frac{3}{a+2} - \frac{6a}{(a-2)(a+2)} = \frac{1}{a-2}$

Then, we multiply both sides of the equation by (a-2) (a + 2):

$\frac{3(a-2)(a+2)}{a+2} - \frac{6a(a-2)(a+2)}{(a-2)(a+2)} = \frac{(a-2)(a+2)}{a-2}$

Later, canceling similar terms we have:

$3(a-2) - 6a = a+2$

We do distributive property on the left side of the equation:

$3a-6-6a=a+2$

By grouping variables and constant terms we have:

$3a - 6a -a = 2+6$

Rewriting we have:

$-4a=8$

Finally, by clearing "a" we have:

$a=-\frac{8}{4} a=-2$

Note: the value of a is a extraneous solution because it makes the denominator of the original equation equal to zero.

Answer:

the student correct, but the value of a= -2 is an extraneous solution

8 0

4 years ago

Read 2 more answers

Jordan went to the grocery store and purchased cans of soup and frozen dinners. Each can of soup has 200 mg of sodium and each f

zepelin [54]

Answer:

8 cans of frozen dinner

9 cans of soup

Step-by-step explanation:

Given:

200mg/1 can of soup

600mg/1 can of frozen dinner

17 cans of both soup and frozen dinners which contain 6600mg

200 (9) + 600 (8) = 6600

6 0

3 years ago

Read 2 more answers

What is the remainder when (3x4 + 2x3 − x2 + 2x − 19) ÷ (x + 2)? 0 5 10 15

Elanso [62]

Answer: Second option is correct.

Explanation:

Since we have given that

$f(x)=3x^4+2x^3-x^2+2x-19$

And $g(x)=x+2$

To find the remainder, we use the Remainder Theorem, which states that when f(x) is divided by (x-c) then the f(c) is the required remainder.

So,

Here, we have,

$x+2=0\\\\x=-2$

So, we will find f(-2) which will give us the required remainder,

$f(-2)=3(-2)^4+2(-2)^3-(-2)^2+2(-2)-19\\\\f(-2)=(3\times 16)-(2\times 8)- 4-4-19\\\\f(-2)=48-16-36-4-19\\\\f(-2)=5$

Hence, Second option is correct.

7 0

3 years ago

2(1 + 4)2 x (9-6) 3 Answer please

victus00 [196]

2(1+4)2 x (9-6)3

4(5) x 3(3)

20 x 9

180

3 0

2 years ago

How many real solutions does the equation y2− 8y + 16 = 0 have?

saveliy_v [14]

We can solve this equation by completing the square. Notice that $4*2=8$ and $4^{2}=16$ . Therefore, we can turn $y^{2}-8y+16=0$ into $(y-4)^{2}=0$ . y, in this equation, only has one real solution: 4. So your answer would be (B).

4 0

4 years ago