3 years ago

AB bisects CD at point B.Find CB if CD=16

Mathematics

1 answer:

Crank3 years ago

8 0

Answer:

cdchDJgxgcvcancel :Halloween costume for Halloween this year and I don't have any questions please feel free to contact

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determine the most precise name of the quadrilateral ABCD from the information given. for #13 & #14

snow_tiger [21]

$Answer:14\\\\because\ in\ 13\ \overline{AE}=\overline{CA}\ and\ \overline{BE}=\overline{DE}\ is\ a\ rhombus.$

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3 years ago

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The 17th term of an Arithmetic sequence is 51. If the commons difference is 7, what is the first term ?

vovikov84 [41]

Answer:

The first term is:

$a_1=-61$

Step-by-step explanation:

The arithmetic sequence is defined by

$a_n=a_1+\left(n-1\right)d$

where

$a_1$ is the first term

$d$ is the common difference

the 17th term of an arithmetic sequence is 51.

i.e. $a_{17}=51$

$a_n=a_1+\left(n-1\right)d$

$a_{17}=a_1+\left(17-1\right)d$

$51=a_1+\left(17-1\right)7$ ∵ $n = 17$ , $a_{17}=51$ , $d=7$

$a_1+112=51$ ∵ $\left(17-1\right)\cdot \:\:7=112$

$a_1=-61$

Therefore, the first term is:

$a_1=-61$

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3 years ago

I need help with my homework I did it but it is wrong.

il63 [147K]

Answer:

π= 3V/(4r³)

Step-by-step explanation:

<u>Solve for π</u>

V = 4/3πr³
3/4V = πr³
3V/(4r³) = π
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Oliver wants to compare the number of hours 7th graders

Nimfa-mama [501]

The value I do know that is lesser for 7th grade then 8th is going to be 30

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3 years ago

-18=d+4 plZ hurry thank you so much have a great day

Yuliya22 [10]

Answer:

d = - 22

Step-by-step explanation:

- 18 = d + 4 ( subtract 4 from both sides )

- 22 = d

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3 years ago