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Vsevolod [243]
3 years ago
7

12 problems in45 mins 20 problems in how much time

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Step-by-step explanation:

well i think it would be 45÷12 and then your answer would be how many minutes per question and theres your answer. hope this helps

Anni [7]3 years ago
5 0

Answer:

75 mins or 1 hour 15 min :)

Step-by-step explanation:

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Find the domain for the rational function f of x equals quantity x plus 1 end quantity divided by quantity x minus 2 end quantit
Elena L [17]

Answer:

(- \infty, 2), (2, \infty)

Step-by-step explanation:

Given the function:

f(x) = \dfrac{x+1}{x-2}

To find:

Domain of the function.

Solution:

First of all, let us learn about definition of  domain of a function.

Domain of a function is the valid input values that can be provided to the function for which output is defined.

OR

Domain of a function f(x) are the values of x for which the output f(x) is a valid value.

i.e. The function does not tend to \infty or does not have \frac{0}0 form.

So, we will check for the values of x for which f(x) is not defined.

For value to tend to \infty, denominator will be 0.

x-2\neq 0 \\\Rightarrow x \neq 2

So, the domain can not have x = 2

Any other value of x does not have any undefined value for the function f(x).

Hence, the answer is:

\bold{(- \infty, 2), (2, \infty)}     [2 is not included in the domain].

7 0
3 years ago
The smith family goes to Disney world every 5 years. The Robinson family goes to Disney world every 3 years. If the smiths and R
PSYCHO15rus [73]

Answer:

2024

Step-by-step explanation:

7 0
3 years ago
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Ben researched the population of his town for each of the last ten years. He created a scatterplot of the
sveta [45]

Answer:

B

Step-by-step explanation:

The data of the poulation increased.

7 0
3 years ago
The length of a rectangle is given by x + 2 and its width is equal to 3. Give a simplified expression of the area of this rectan
Levart [38]

Answer:

3x+6 sq units

Step-by-step explanation:

3(x+2) = 3x + 6

6 0
2 years ago
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6x^2 + 23x + 7 NEED HELP SOLVING QUADRATIC EQUATION
luda_lava [24]

Answer:

6x2 + 23x + 7 = 0

Factorization:

(2x + 7)(3x + 1) = 0

Solutions based on factorization:

2x + 7 = 0   ⇒   x1 = −7

2

= −3.5

3x + 1 = 0   ⇒   x2 = −1

3

≈ −0.333333

Extrema:

Min = (−1.916667, −15.041667)

Step-by-step explanation: hope this helps

6 0
3 years ago
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