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ANTONII [103]
3 years ago
14

Can you answer this question​

Mathematics
2 answers:
vovikov84 [41]3 years ago
8 0

Answer:

7.5

Step-by-step explanation:

Well it says find the median so you have to put them all in order from least to greatest. And if you do you get 7 and 8 in the middle. Than you add them up and you divide by 2 and you get 7.5

stealth61 [152]3 years ago
3 0

Answer:

the median is 7.5

Step-by-step explanation:

arrange the frequency table in order from minimum to maximum.

5, 5, 7, 8, 15, 20

so, the median on the numbers above is between 7 and 8

                  7 + 8

median = ----------------    =   7.5

                      2

therefore, the median is 7.5

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If the measure of angle BCD=51 degrees, solve for x.
BabaBlast [244]

Answer:

x=5

Step-by-step explanation:

step 1

Find the measure of angle EFD

In this problem I will assume that ABCD is a parallelogram

In a parallelogram opposite angles are congruent and consecutive angles are supplementary

so

m\ angle BCD=m\angle BED=51^o

m\ angle FED=(1/2)m\angle BED=(1/2)51^o=25.5^o --- > given problem

Remember that the sum of the interior angles in any triangle must be equal to 180 degrees

so

In the triangle EFD

m\ angle FED+m\ angle FDE+m\ angle EFD=180^o

substitute the given values

25.5^o+55^o+m\ angle EFD=180^o

80.5^o+m\ angle EFD=180^o

m\ angle EFD=180^o-80.5^o

m\ angle EFD=99.5^o

step 2

Find the measure of angle EFB

we know that

m\angle EFB+m\angle EFD=180^o ---> by supplementary angles

we have

m\ angle EFD=99.5^o

substitute

m\angle EFB+99.5^o=180^o

m\angle EFB=180^o-99.5^o

m\angle EFB=80.5^o

step 3

Find the value of x

Remember that the sum of the interior angles in any triangle must be equal to 180 degrees

so

In the triangle EBF

m\ angle BEF+m\ angle EFB+m\ angle EBF=180^o

we have

m\angle BEF=m\ angle FED=25.5^o

m\angle EFB=80.5^o

m\angle EBF=(14x+4)^o

substitute

25.5^o+80.5^o+(14x+4)^o=180^o

solve for x

Combine like terms

(14x+110)^o=180^o

14x=180-110

14x=70

x=5

4 0
3 years ago
Which equation represents a line which is parallel
erica [24]

Answer:

4x+5y=20

Step-by-step explanation:

bc if u subtract your 4x from both sides

then u should end up with 5y= -4x+20

then u divide the 5 from everything

then you end up with y= -4/5x+4

5 0
3 years ago
if someone deposited 2000 at 6% simple intrest . how long will it be before she has 2600 in her account
den301095 [7]
30. Given problem : You deposited 2 000 dollars, then you will earn 6% simple interest. Question: How long will it become 2 600 dollars. Well, you didn’t mention if it’s an annual interest or monthly interest. But let’s say that it’s a monthly interest, then let’s start solving: => 2000 Is the original amount + 6% interest first month = 2000 * .06 = 120 => 2000 + 120 = 2120 2nd month = 2120 *.06 = 127.2 => 2120 + 127.2 = 2247.2 3rd month = 2247.2 *.06 = 134.832 => 2247.2 + 134.832 = 2382.032 4th month = 2382.032 * .06 = 142.92192 => 2382.032 + 142.92192 = 2524.95392 5th month = 2524.95392 * .06 = 151.497 => 2524.95392 + 151.497 = 2676.45 Thus, on the fifth month she will earn this amount.
8 0
4 years ago
Rewrite 18y x 4x using Commutative Property
Vsevolod [243]
The answer to the question

7 0
3 years ago
I need help pleaseee
slava [35]

9514 1404 393

Answer:

  297 miles

Step-by-step explanation:

The round-trip distance from X to Y is double the one-way distance. The distance from X to Y is 648/2 = 324 miles.

That distance is the sum of distances from X to Z and Z to Y. Then ...

  XZ +ZY = XY

  27 +ZY = 324

  ZY = 297

It is 297 miles from City Z to City Y.

4 0
3 years ago
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