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3 years ago

Help. I just want to be done with HW.

Mathematics

2 answers:

Reil [10]3 years ago

6 0

Answer: I FEEL YA :(

1) 4/15

2) 1/21

3) 1/13

4) 1/4

5) 1/5

6) 1/2

7) 1/4

8) 5/14

9) 4/9

10) 1/6

i'm pretty sure these are right, hope this helped! :)

ki77a [65]3 years ago

3 0

I do t know how to help sorry

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Pls pls help ASAP ill give brainliest!!!!!!!!!!!!

Ilya [14]

Answer:

12989.9236 m

Hope this helps!!!

6 0

3 years ago

The measures of the angles of a convex polygon form an arithmetic sequence. The least measurement in the sequence is 128º. The g

Over [174]

$\bf \qquad \qquad \textit{sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n}{2}(a_1+a_n)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\ a_n=n^{th}~value\\
----------\\
\stackrel{least}{a_1}=128\\\\
\stackrel{greatest}{a_n}=172
\end{cases}$

$\bf S_n=\cfrac{n}{2}(128~+~172)\implies S_n=\cfrac{n}{2}(300)\implies S_n=150n
\\\\\\
\textit{but we also know that sum of all interior angles is }180(n-2)
\\\\\\
\stackrel{\textit{sum of the angles}}{S_n}=\stackrel{\textit{sum of the angles}}{180(n-2)}=150n
\\\\\\
180n-360=150n\implies 30n=360\implies n=\cfrac{360}{30}\implies n=12$

7 0

3 years ago

Read 2 more answers

What is the average of -30 -15 -20 55

defon

Answer:

-2.5

Step-by-step explanation:

-30 + (-15) + (-20) + 55 = -10. Then you divide it by how many numbers there are (4). Which equals - 2.5. If this is wrong, then round up to -3.

8 0

2 years ago

Read 2 more answers

(HELP ASAP) Kite EFGH is inscribed in a rectangle where F and H are midpoints of parallel sides.

Reika [66]

Let's say that FH and EG intersection is O,
So we have the following:
OF = 2
OH = 5

Just because F and H are midpoints it means that EO = OG = x
And as it's given the area S=35

On the other hand
S = OF*OG/2 + OG*OH/2 + OH*OE/2 + OE*OF/2 = 2*x/2 + x*5/2 + 5*x/2 + x*2/2 = 2*x + 5*x = 7*x = 35

7x = 35 so x = 35/7 = 5

Answer: 5 units

7 0

3 years ago

Read 2 more answers

Write an equation and solve each problem. The ages of three brothers are consecutive integers with the sum of 96. How old are th

Alexxx [7]

Hi,

Let the

Youngest brothers age = x+2

Middle brothers age = x+4

Oldest brothers age = x+6

So,

Youngest brothers age = x+2 = 28+2 = 30 years of age

Middle brothers age = x+4 = 28+4 = 32 years of age

Oldest brothers age = x+6 = 28+6 = 34 years of age

Have a great day!

4 0

3 years ago