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Debora [2.8K]
3 years ago
7

What is the mean number of people in each age range? Explain

Mathematics
2 answers:
Andrei [34K]3 years ago
6 0
To find the mean you add all the numbers and then divide the sum by how many numbers there are :

8+16+12+11+8=55

there are 5 numbers in the equation so you divide 55 by 5 :

55÷5=11

the mean is 11

hope this helps
Natali [406]3 years ago
4 0
55 because if you use calculator an add 16+12+11+8+8
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Please please help me no links
Finger [1]

Given:

In triangle ABC, AB = AC, AD is angle bisector and measure of angle C is 49 degrees.

To find:

The value of x and y.

Solution:

In triangle ABC,

AB=AC                    (Given)

So, triangle ABC is an isosceles triangle and by the definition of base angles the base angles of isosceles triangle are congruent.

In isosceles triangle ABC,

\angle B\cong \angle C

m\angle B\cong m\angle C

m\angle B\cong 49^\circ

The angle bisector of an isosceles triangle is the median and altitude of the triangle. So, the angle bisector is perpendicular to the base.

m\angle ADB=90^\circ

x^\circ=90^\circ

In triangle ABD,

m\angle DAB+m\angle ABD+m\angle ADB=180^\circ         [Angle sum property]

y^\circ+49^\circ+x^\circ=180^\circ

y^\circ+49^\circ+90^\circ=180^\circ

y^\circ=180^\circ-49^\circ-90^\circ

y^\circ=41^\circ

Therefore, the correct option is B.

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3 years ago
The beginning balance on the monthly bank statement for ians checking account was $289.37 and the ending balance was $409.28, wh
Vikki [24]
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2 years ago
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Am I correct on #6???
solniwko [45]

Answer:

im pretty sure it is 113.

Step-by-step explanation:


3 0
3 years ago
Which ordered pair is a a solution of the equation ?
UNO [17]

Answer:

A

Step-by-step explanation:

when you plug in 2,11

11 = 3*2 +5 that is correct

13 = 3*3 +5 that is not correct

only 2,11 works

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3 years ago
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Darya [45]
if ur talking about like this then here

1.  354
2.  453 If this is what ur talking about i hope this helps :) :) :)
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3 years ago
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