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liberstina [14]
3 years ago
10

4x(x+(-23)=9x(x+14) show all work

Mathematics
1 answer:
Furkat [3]3 years ago
8 0
4x^2-92x=9x^2 +126x;
5x^2+218x=0;
x(5x+218)=0;
X=0,-43.6, my calculation might be wrong tho you can’t check on your own
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A 1200 gram sample of radioactive matter will completely decay (be undetectable) in 10 hours. There exists a set of ordered pair
julia-pushkina [17]

Using it's concept, the range of the function is given as follows:

0 ≤ m ≤ 1200.

<h3>What is the range of a function?</h3>

The range of a function is the set that contains all possible output values for the function.

For this problem, we have to consider these two bullet points next, considering the mass is the output value of the function.

  • The smallest possible mass for the substance is of 0 grams, as after the substance decays to 0 grams, it will not assume a negative value, it will just disappear.
  • The greatest possible mass for the substance is the initial mass of 1200 grams, as the substance does not adquire mass with time, it just loses it.

Considering these masses, the range of the function is given as follows:

0 ≤ m ≤ 1200.

More can be learned about the range of a function at brainly.com/question/10197594

#SPJ1

3 0
1 year ago
Hi, the answer is K but can anyone show why
dlinn [17]

Let's do 51 and 52.

51. The contrapositive has the same truth value as the original statement. That's opposed to the converse, which may or may not be true independent of the original statement.

The contrapositive of IF P THEN Q is IF not Q THEN not P.  They're equivalent.  Here that's If the cat is not female then it is not tricolor.

Answer: C

52.  

(x^3)^{(4-b^2)}=1

x^{3(4-b^2)} = 1

For the statement to be true, the exponent must be zero:

3(4-b^2) = 0

b^2 = 4

b = \pm 2

Both positive 2 and negative 2 have a square of 4.

Answer: K

By the way, usually we assume 0^0=1 so the restriction that x \ne 0 isn't really necessary.  Think of the definition of a polynomial or the binomial expansion:

\displaystyle f(x)=\sum_{k=0}^n a_k x^k

\displaystyle(x+y)^n=\sum_{k=0}^n {n \choose k} x^{k}y^{n-k}

For these common equalities to work when x=0 we need to define 0^0=1


3 0
4 years ago
A model rocket was launched from the ground and shot 150 feet straight up.It then fell back down to the ground and landed in the
Elena L [17]
The list of choices you included doesn't have any correct expressions on it.

-- If the rocket went straight up, and then dropped back at the same place
it was launched from, then it must have dropped straight down.

-- The route it followed on the way down was exactly the same as the
route it followed on the way up.

-- Since it reached a maximum height of 150-ft from the ground
and the route was straight, the length of the route was 150-ft.

-- (150-ft going up) plus (150-ft coming down)  =  300-ft traveled all together.
8 0
3 years ago
Sharlene opened a new account and deposited $6,000.
allsm [11]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
The sum of four consecutive numbers equals b+6. What are the numbers?
jarptica [38.1K]

Answer:

0,1,2 and 3

Step-by-step explanation:

let the first number be b

therefore the second,third and fourth numbers are b+1,b+2 and b+3

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4b+6=b+6

4b-b=6-6

3b=0

b=0

4 0
3 years ago
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