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Marianna [84]
3 years ago
6

this circle has a diameter of 5 inches which of these measurements is closest to the circumference of the circle 15.7 7.85 31.4

19.625
Mathematics
1 answer:
nirvana33 [79]3 years ago
6 0

Answer:

The closest measurement is 15.7

Step-by-step explanation:

The formula for circumference is 2\pi r

The diameter is double the radius, so to get the radius we divide by 2.

5 divided by 2 is 2.5

Knowing "r" is 2.5 we can plug that into our equation and solve.

2 · \pi · 2.5 ≈ 15.71

The closest measurement is 15.7

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The answer is -7

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30% of all the students in a school are in a play all students except for 140 are in the play how many students are in the schoo
Bezzdna [24]
To figure out how many kids are in the school, you must set up an equation with x representing the number of students. 30% of the students are in the play, so that would be represented by 0.3x. We also know that 140 students are not in the play, that could be represented by x-140. These two equations will equal each other since they both represent the same information, which is the number of children in the play. You set those two equations equal to one another (0.3x = x-140). You then can add 140 to the left side of the equation and subtract 0.3x from the right side. We do this in order to get both values of x on the same side of the equation. We then can simplify the right side of the equation by subtracting 0.3x from 1x. We get 0.7x. Our equation now looks like 140 = 0.7x. We must now divide each side of the equation by 0.7 in order to get the x all by itself and find its value. 140 divided by 0.7 is 200. The number of students in the school is 200.
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3 years ago
if you get it right and you are the first one than i will give you all stars and thanks and a crown but if you are just right th
Ganezh [65]

Answer:

Periodic Table

Step-by-step explanation:

? that should be it.

6 0
2 years ago
Which shows the first step in the solution to the equation log2x log2(x – 6) = 4?.
Olenka [21]

The first step is to solve the equation by using the base property.

Given

Equation;  log2x + log2(x – 6) = 4

<h3>What is logarithmic property?</h3>

The logarithmic function is an inverse function to exponentiation.

The equation is solved in the following steps given below.

\rm log_2x+log_2(x- 6) = 4 \\\\log_2(x \times (x-6)=4\\\\x\times (x-6)=2^4\\\\x^2-6x=16\\\\x^2-6x-16=0\\\\

Hence, the first step is to solve the equation by using the base property.

To know more log properties click the link given below.

brainly.com/question/2957521

5 0
2 years ago
What is the measure of angle ABC?
andreyandreev [35.5K]

Answer:

88

Step-by-step explanation:

Angle Formed by Two Chords  = 1/2( sum of Intercepted Arcs)

ABD = 1/2 ( 131+ 53)

ABD = 1/2 (184)

      =92

We know that ABC + ABD form a straight line

ABC = 180 -ABD

ABC = 180 -92

ABC = 88

5 0
3 years ago
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