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muminat
3 years ago
12

What is the solution to the inequality 2n+5 > 1

Mathematics
2 answers:
melomori [17]3 years ago
6 0
Solve this like a regular equation:

2n + 5 > 1
2n > -4
n > -2

Hope this helped!
Darina [25.2K]3 years ago
4 0

Answer:

The solution to the inequality 2n+5>1 is; the set of solutions of the inequality is the interval i.e,  (-2 , \infty)

Step-by-step explanation:

To find the solution of the inequality: 2n+5>1

Subtraction property of equality states that you subtract the same number to both sides of an equation.

Subtract 5 to both sides of an equation, we get;

2n+5-5>1-5

Simplify:

2n>-4

Division property of equality states that you divide the same number to both sides of an equation.

Divide by 4 to both sides of an equation;

\frac{2n}{2}>\frac{-4}{2}

Simplify:

n > -2

All real numbers greater than -2 satisfy the inequality.

therefore, the set of solutions of the inequality is the interval  (-2 , \infty)

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3 years ago
Help me please! Ray BD is the angle bisector.What is the value of x?
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Answer:

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Step-by-step explanation:

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8x + 35 = 11x + 23

(8x + 35) - 35 = (11x + 23) - 35

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8 0
4 years ago
LOOK HOW MANY POINTS!!! PLEASE HELP ASAP A cell phone company tests 75 cell phones and finds that 3 of them have defects. Out of
kozerog [31]

Answer:

Out of 450 phones 18 of them will have a defect.

Step-by-step explanation:

As we know that out of 75 phones 3 of them will have a defect, this means that we are able to calculate how many defects there will be from 450 phones. You can do this by first dividing 450 by 75, this gives you 6. This means that 75 will go into 450 6 times.

From this we are able to work out the number that will have defects. This is because we know that 75 goes into 450 6 times and that for each 75 phones there will be 3 defects. So to work out the number of phones out of 450 that would be defects you would simply multiply 3 by 6, this gives you 18. This shows that out of 450 phones 18 of them will have a defect.

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3 0
4 years ago
2 2-1-1-1 whats is the answer
schepotkina [342]
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3 years ago
Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for
skad [1K]

m = 90 - 6d is the equation to determine m, the number of measures Harita still needs to  memorize, as a function of d, the number of days of practice since she began learning the piece

<em><u>Solution:</u></em>

Given that Harita must memorize 90 measures of music for her cello solo at a concert

To find: equation to determine m, the number of measures Harita still needs to  memorize, as a function of d, the number of days of practice since she began learning the piece

Let "m" be the number of measures Harita still needs to  memorize

Let "d" be the number of days of practice since she began learning the piece

Given that She plans on memorizing 18 new measures for  every 3 days of practice

<em><u>Rate per day is given as:</u></em>

\frac{18}{3} = 6

Therefore she memorises 6 per day

<em><u>Therefore, the equation that relates 'm' to 'd' is: </u></em>

m = total measures of music she must memorise - (number of measures she memorises per day x d)

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m = 90 - 6d

Thus the required equation is found

7 0
3 years ago
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