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2 years ago

6

A list of numbers is shown; 1 2 3 4 5 6 7 8 9 10

1 answer:

ahrayia [7]2 years ago

5 0

Answer:

5.5

Step-by-step explanation:

We have a list of 10 numbers (n = 10) ordered from lower to higher.

1 2 3 4 5 6 7 8 9 10

The median is the value separating the higher half from the lower half of a data sample. Since n is even, there is no middle value and the median is defined as the mean between the two middle values, in this case, 5 and 6. Then,

median = 5 + 6 / 2 = 5.5

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Int he figure below find AC

Ahat [919]

Given :-

Two triangles with their two angles equal .

To Find :-

Measure of AC .

Answer :-

Here in ∆ABC and ∆EDC ,

$\angle$ CAB = $\angle$ CED (given )
$\angle$ CBA = $\angle$ CDE (given)

Therefore by AA similarity criterion , we can say that ∆ABC ~ ∆EDC . Also we know that corresponding sides of similar triangles are proportional . So ,

→ AC/EC = BC/DC

→ AC/9 = 8/12

→ AC = 8/12 * 9

→ AC = 6

<u>Hence</u><u> the</u><u> </u><u>measure</u><u> of</u><u> </u><u>side </u><u>AC </u><u>is </u><u>6</u><u> </u><u>.</u>

I hope this helps.

7 0

2 years ago

Leroy had 45 baseball cards and gave 15 away. About what percent does he still have?

anyanavicka [17]

Answer:

B.) 66%

Step-by-step explanation:

7 0

3 years ago

April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 11 feet high. The height of t

kogti [31]

Answer:

Maximum height of the arrow is 203 feets

Step-by-step explanation:

It is given that,

The height of the arrow as a function of time t is given by :

$h(t)=-16t^2+64t+11$ ..........(1)

t is in seconds

We need to find the maximum height of the arrow. For maximum height differentiating equation (1) wrt t as :

$\dfrac{dh(t)}{dt}=0$

$\dfrac{d(-16t^2+64t+11)}{dt}=0$

$-32t+64=0$

t = 2 seconds

Put the value of t in equation (1) as :

$h(t)=-16(2)^2+64(2)+11$

h(t) = 203 feet

So, the maximum height reached by the arrow is 203 feet. Hence, this is the required solution.

8 0

3 years ago

Ella’s test grades in her history class are 89, 94, 82, 84, and 98. What score must Ella make on her next test to have a mean te

const2013 [10]

Ella must make a 93 to create a classroom mean test score of 90

8 0

3 years ago

Read 2 more answers

A pie shop sold 1,500 pies in a month if 30% of the pies to the shop were sold were banana crram

weeeeeb [17]

Answer:

450 banana cream pies

Step-by-step explanation:

Total number of pies in a month = 1500;

this represents 100% of the pies

Out of the total pies in a month, the proportion of banana cream pies = 30%

Next, find the number of banana cream pies ;

# of Banana pies = proportion of banana pies * total number of pies

=30% *1500

= 450

Therefore, the banana cream pies sold were 450.

6 0

2 years ago