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MArishka [77]
3 years ago
13

Identify the inequality that represents the following problem. One less than twice a number is no less than five. What is the so

lution set?
2 n - 1 > 5
2 n - 1 ≥ 5
1 - 2 n ≥ 5
1 - 2 n > 5
Mathematics
2 answers:
jeka943 years ago
8 0

Answer:

1-2n>5

hope it help3d

valentina_108 [34]3 years ago
5 0

Answer:

is the last one

1 - 2n > 5. The solution set is (-∞, -2)

Step-by-step explanation:

e are dealing here with two problems:

First, to determine which mathematical statement represents "One less than twice a number is no less than five".

Second, solve n, that is, the solution set for the numbers that solve the inequality.

First Part: Identifying the inequality

"One less than twice a number" can be written as  , where n is the unknown number.

If it is not less than five, thus it is greater (no less) than five. Then, the symbol here is  " > " (greater).

As a result: "One less than twice a number is no less than five" could be rewritten as "One less than twice a number is greater than five", or:

.

Second Part: Finding the solution set

The solution set for this inequality is as follows:

⇒

Subtract -1 from each member of the inequality:

⇒  ⇒  

Multiply each member of the inequality by  (or divide each member by -2). We have to remember here that when we multiply or divide an inequality by a negative number (-n), this inverts the inequality, that is:

The solution set is then , which is any value less than -2 (not including -2, because is < and not ≤), and we have infinite negative numbers with such a characteristic. We can write it mathematically as an interval notation:

Solution set for  is .

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Step-by-step explanation:

If we say that a full bottle of hot sauce is 100 ml, 90% of that would be 90ml, meaning that <em>x</em> is 90ml.

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3 years ago
A,B,C,D are points on the circumference of a circle centre o
Marina86 [1]

The points A,B,C,D make up the circumference of the circle

The measure of angle BAD is 65 degrees

<h3>How to determine the measure of angle BAD?</h3>

The measure of angle ODB is given as:

ODB = 25 degrees

Considering the triangle BOD, we have:

ODB + BOD + DBO = 180

Where:

ODB = DBO = 25

So, we have:

25 + BOD + 25 = 180

Solve for BOD

BOD = 130 degrees

The angle at an arc is twice the angle at the circumference.

So, we have:

BOD = 2 * BAD

Substitute 130 for BOD

130 = 2 * BAD

Divide both sides by 2

65 = BAD

Hence, the measure of angle BAD is 65 degrees

Read more about angle measures at:

brainly.com/question/17972372

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2 years ago
The perimeter of a rectangular mat is 16 feet. It is 6 feet long. How wide is it?
dezoksy [38]

Answer:

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3 years ago
It takes a person 50 minutes to get to campus. He spends t minutes walking to the bus stop and the rest of the time riding the b
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(1 point) The length of an insect (L, in mm) is a function of the temperature during development (T , measured in ∘C according t
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Answer:

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Step-by-step explanation:

We have the next set of functions:

L(T)=8+T^{10}

V(L)=7L^{3}

M(V)=1.1V

We want to know M(T) then:

M(V)=1.1V but we know that V(L)=7L^{3}:

M(L)=1.1(7L^{3}) and we know that L(T)=8+T^{10}

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Finally using the value of 22º we have

M(T)=1.1(7(8+22^{10})^{3})=1.44\time10^{41}

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3 years ago
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