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iris [78.8K]
3 years ago
14

Approximate using perfect squares what is the radical symbol 78

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

The <em><u>correct answer</u></em> is:

The estimate is between 8 and 9.

Explanation:

Perfect squares are numbers whose square roots are whole numbers.  78 is not one; however, it is between two others, namely 64 and 81.

64 is the perfect square of 8, since 8(8) = 64.

81 is the perfect square of 9, since 9(9) = 81.

78 is between these two; since it is closer to 81, this means the answer will be a decimal between 8 and 9, but that is closer to 9.

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Solve for X<br><br><br>explain the process for this problem​
aksik [14]

Answer:

x = 40

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

126° is an exterior angle of the triangle, then

x + 2x + 6 = 126

3x + 6 = 126 ( subtract 6 from both sides )

3x = 120 ( divide both sides by 3 )

x = 40

5 0
3 years ago
Every morning Jim runs for 15 minutes. If Jim runs 4 miles per hour, how far does he travel? Use the equation d=rt.
Agata [3.3K]
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There are 60 minutes in a hour so 60/15 = 4 (1 quater of a hour)

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4 0
3 years ago
Angle ABC has point E on ray BA and point D on ray BC. Points E and D are equidistant from point B. To copy angle ABC, which of
arsen [322]

The identified for the construction is the endpoint of rays BA and BC option (C) is correct.

<h3>What is an angle?</h3>

When two lines or rays converge at the same point, the measurement between them is called a "Angle."

It is given that:

Angle ABC has point E on ray BA and point D on ray BC.

Points E and D are equidistant from point B.

The ED distance because if the distance between E and D is even slightly different, the entire angle ABC will vary.

Thus, the identified for the construction is the endpoint of rays BA and BC option (C) is correct.

Learn more about the angle here:

brainly.com/question/7116550

#SPJ1

3 0
2 years ago
A. Y=4x<br><br> B. Y=x <br><br> C. Y=50x<br><br> D. Y=75x
sladkih [1.3K]

Answer:

Y=75x

Step-by-step explanation:

If you plug in the x's to the equation, it fits because 2 x 75 is 150, and that's the point.

8 0
4 years ago
(x+15)^2 -10=0 <br> lesser x = ?<br> Greater x = ?
MatroZZZ [7]

Answer:

53

Step-by-step explanation:

3 0
3 years ago
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