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Julli [10]
3 years ago
13

Ten is no more than four times the sum of twice a number and three.

Mathematics
2 answers:
Solnce55 [7]3 years ago
4 0
x-searched\ number\\\\10 \leq 4(2x+3)\\10 \leq 8x+12\ \ \ \ \ \ \ |subtract\ 12\\10-12 \leq 8x\\-2 \leq 8x\ \ \ \ \ \ \ \ \ |:8\\x \geq -\frac{2}{8}\\x \geq -\frac{1}{4}\\\\x\in[\frac{1}{4},+\infty)
arsen [322]3 years ago
3 0
Set up an equation when n is the number and solve:
 10 </= 4(2n + 3)
 10 </= 8n + 12
-12             - 12
-2 = 8n
/8   /8
<u><em>n = >/= -1/4
</em></u>The number is less than or equal to <em><u>-1/4</u></em>. 
Hope this helps!

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Select all of the potential solution(s) of the equation 2log5x = log54.
tankabanditka [31]

Answer:

-2 and 2

Step-by-step explanation: just did the problem

4 0
3 years ago
2. how is inquizitive graded? if you answer a question incorrectly on your first attempt, you will lose points.
ser-zykov [4K]

The more questions you successfully answer on your first attempt, the more points you will receive. The more times you attempt a question, the more points you'll lose if you get it wrong.

Inquizitive is graded in following ways -

  • Reach a Target Score set by your instructor; Provide a Correct Answer; Respond to a minimum number of questions.
  • The incorrect response is to simultaneously shove five large marshmallows in your mouth.
  • In InQuizitive, points are earned by responding to questions.
  • You use the Question confidence slider (to the right if using a computer or at the bottom for Smartphterm-2one users) to calculate how many points you can earn or lose on each question.
  • In order to receive a mark for the exercise, you must respond to a certain number of questions.
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To learn more about Inquizitive from given link

brainly.com/question/14317711

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8 0
2 years ago
An alarming number of U.S. adults are either overweight or obese. The distinction between overweight and obese is made on the ba
madreJ [45]

Answer:

(A) The probability that a randomly selected adult is either overweight or obese is 0.688.

(B) The probability that a randomly selected adult is neither overweight nor obese is 0.312.

(C) The events "overweight" and "obese" exhaustive.

(D) The events "overweight" and "obese" mutually exclusive.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = a person is overweight

<em>Y</em> = a person is obese.

The information provided is:

A person is overweight if they have BMI 25 or more but below 30.

A person is obese if they have BMI 30 or more.

P (X) = 0.331

P (Y) = 0.357

(A)

The events of a person being overweight or obese cannot occur together.

Since if a person is overweight they have (25 ≤ BMI < 30) and if they are obese they have BMI ≥ 30.

So, P (X ∩ Y) = 0.

Compute the probability that a randomly selected adult is either overweight or obese as follows:

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)\\=0.331+0.357-0\\=0.688

Thus, the probability that a randomly selected adult is either overweight or obese is 0.688.

(B)

Commute the probability that a randomly selected adult is neither overweight nor obese as follows:

P(X^{c}\cup Y^{c})=1-P(X\cup Y)\\=1-0.688\\=0.312

Thus, the probability that a randomly selected adult is neither overweight nor obese is 0.312.

(C)

If two events cannot occur together, but they form a sample space when combined are known as exhaustive events.

For example, flip of coin. On a flip of a coin, the flip turns as either Heads or Tails but never both. But together the event of getting a Heads and Tails form a sample space of a single flip of a coin.

In this case also, together the event of a person being overweight or obese forms a sample space of people who are heavier in general.

Thus, the events "overweight" and "obese" exhaustive.

(D)

Mutually exclusive events are those events that cannot occur at the same time.

The events of a person being overweight and obese are mutually exclusive.

5 0
3 years ago
How do I solve number 15?! Plz help!!!!!
Evgesh-ka [11]

first get all variables on the same side, then use elimination to solve.

x = -3

y = -11

3 0
3 years ago
X^2-21.75x=-15.75 what is one solution
Jlenok [28]
Well, there are two solutions.

Add both sides by 15.75 then from here, you can use quadratic formula.

So your answer should be x = -2.44949 or 2.44949.
5 0
3 years ago
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