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klasskru [66]
3 years ago
10

Kiran surveyed a random sample of students in her school district, and she found these statistics:

Mathematics
2 answers:
const2013 [10]3 years ago
8 0

Its .25 Mr. StatisticsAreImpossible

kkurt [141]3 years ago
3 0
These statistics are impossible: all students who ride bike and use crossing guard ride a bike, so the proportion of students who ride a bike and use the crossing guard must be less than or equal to the proportion of students who ride a bike. This is not true in the given stats; 0.12 > 0.1
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B) After allowing 16 % discount on the marked price of an article and levying 13 % value
aksik [14]

Answer:

135.15

Step-by-step explanation:

let SP be x

sp with vat=sp + vat % of sp

9492=x+13/100*x

x=1039.6

vat=vat% of sp

=13/100*1039.6

=135.15

7 0
3 years ago
Use the relationship between the angles in the figure to answer the question. Which equation can be used to find the value of x?
Kaylis [27]

The sum of all the angles made by a straight line is 180°. Then the value of x is 61°.

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

Angle is the space between the line or the surface that meets.  And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.

The angles are shown on the diagram.

The angles are 52° and 67°. And let the other angle be x.

We know that the sum of all the angles made by a straight line is 180°.

Then we have

x + 52° + 67° = 180°

On simplifying, we have the value of x.

x = 61°

Thus, the value of x is 61°.

More about the angles link is given below.

brainly.com/question/15767203

8 0
2 years ago
Can anyone solve this x + 2 ( x + 2 + ( 2 x − 8 ) ) = x + 1 + ( 2 x − 5 ) x + 2 ( x + 2 + ( 2 x - 8 ) ) = x + 1 + ( 2 x - 5 )
r-ruslan [8.4K]

Answer:

simplify the equation to solve it, remove unnessecary parentheses and spaces.

5 0
3 years ago
13)
Law Incorporation [45]

The Domain (x-values and independent variable) would be the time of day

The Range (y-values and dependent variable) would be the amount of people in a movie theater

5 0
2 years ago
Find the area of triangle ABC with vertices A(2,1), B (12,2), C (12,8). Hence, or otherwise find the perpendicular distance from
Lapatulllka [165]
<h2>The area of a triangle is =54 square units</h2><h2>The perpendicular distance from B to AC is = \frac{108}{\sqrt{149} } units</h2>

Step-by-step explanation:

Given a triangle ABC with vertices A(2,1),B(12,2) and C(12,8)

x_1=2,y_1=1,x_2=12,y_2=2,x_3=12 and      y_3=8

The area of a triangle is= \frac{1}{2} [x_1(y_2-y_3) +x_2 (y_3- y_1)+x_3(y_1-y_2)]

=|\frac{1}{2} [2(2-8+12(8-1)+12(1-2)]|

=|-54| = 54 square units

The length of AC = \sqrt{(x_1-x_3)^{2} +(y_1-y_3)^2}

                          = \sqrt{(2-12)^{2} +(1-8)^2}

                         =\sqrt{149} units

Let the perpendicular distance from B to AC be = x

According To Problem

\frac{1}{2} \times  x \times \sqrt{149} = 54

⇔x =\frac{108}{\sqrt{149} } units

Therefore the perpendicular distance from B to AC is = \frac{108}{\sqrt{149} } units

5 0
3 years ago
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