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Vinil7 [7]
2 years ago
9

The sum of three consecutive numbers is 537. What is the 3rd number?

Mathematics
1 answer:
maks197457 [2]2 years ago
8 0

For this problem your equation will be x+(x+1)+(x+2)=537

Multiply and Simplify:

x+x+1+x+2=537

3x+3=537

Subtract 3 from both sides:

3x+3-3=537-3

3x=534

Divide both sides by 3:

3x/3=537/3

x=179

179 is the middle number so: 178+179+180=537

180 is the third number.



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What value of B makes the expression. x² + Bx + 81 a perfect square trinomial?
Oxana [17]

Answer:

B.) 18

Step-by-step explanation:

To find the correct b value we use this formula

b² - 4ac = 0

b = What we are solving for

a = 1

c = 81

b² - 4(1)(81) = 0

b² - 324 = 0

b² = 324

b = \sqrt{324}

b = ±18

And 18 is one of the answer choices

So B.) 18 is the correct answer.

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Step-by-step explanation:

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3 years ago
I need help!<br><br>And if you can explain that would be good!
zysi [14]

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meema, papa, and then auntie jo

Step-by-step explanation:

you need to find the slope of each of them and then determine which one is the fastest and which one is the slowest.

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7 0
2 years ago
Suppose that the prevalence of a certain type of tree allergy is 0.26 in the general population. If 100 people randomly chosen f
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0.0906

Step-by-step explanation:

Given that the prevalence of a certain type of tree allergy is 0.26 in the general population

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Alex Ar [27]

Answer:

Answer is D.

Step-by-step explanation:

Which is not true?

So, lets assess the answers given to the question.

A. It is the equation of a horizontal line.

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B. It's slope is zero, yes the slope is zero. It only lists the y-intercept which confirms that the slope is 0.

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