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just olya [345]
2 years ago
8

The mean of nine numbers is 12 , if one of the numbers is removed ,

Mathematics
1 answer:
lys-0071 [83]2 years ago
8 0

Answer:

  • 4

Step-by-step explanation:

Mean of 9 numbers is 12.

<u>Total of 9 numbers:</u>

  • 9*12 = 108

Mean of 8 numbers is 13.

<u>Total of 8 numbers:</u>

  • 8*13 = 104

<u>Removed number:</u>

  • 108 - 104 = 4
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Answer:

Se explanation

Step-by-step explanation:

The diagram shows the circle with center Q. In this circle, angle XAY is inscribed angle subtended on the arc XY. Angle XQY is the central angle subtended on the same arc XY.

The inscribed angle theorem states that an angle inscribed in a circle is half of the central angle that subtends the same arc on the circle. Therefore,

m\angle XBY=2m\angle XAY=2\cdot 72^{\circ}=144^{\circ}

The measure of the intercepted arc XY is the measure of the central angle XQY and is equal to 144°.

All angles that have the same endpoints X and Y and vertex lying in the middle of the quadrilateral XAYQ have measures satisfying the condition

72^{\circ}

because angle XAY is the smallest possible angle subtended on the arc XY in the circle and angle XQY is the largest possible angle in the circle subtended on the arc XY.

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The volume of the cuboid is 900 in meters.
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X=2.6

step by step explanation:
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What is 29/33 in simplest form
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What is the linear function equation represented by the graph?
victus00 [196]

The linear function equation is \boxed{y = \frac{1}{3}x - 4}.

Further explanation:

The formula for slope of line can be expressed as,

\boxed{m = \frac{{{y_2} - {y_1}}}{{{x_2} - {x_1}}}}

Explanation:

The line intersect \text{y}-axis at \left( {0,- 4} \right).

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The line passes through the points \left( {0,- 4} \right) and \left( {3,- 3} \right).

The slope can be obtained as follows,

\begin{aligned}m &= \frac{{- 3 - \left( { - 4} \right)}}{{3 - 0}}\\&= \frac{{ - 3 + 4}}{3}\\&= \frac{1}{3}\\\end{aligned}

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The slope intercept form of the linear equation is given as follows.

\boxed{y = mx + k}

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Answer details:

Grade: High School

Subject: Mathematics

Chapter: Linear equation

Keywords: graph function, numbers, slope, slope intercept, equation, linear function, linear equation, y-intercept, graph, representation, origin.

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3 years ago
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