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Vesnalui [34]
2 years ago
9

Need help anyone can help giving brain liest

Mathematics
2 answers:
trapecia [35]2 years ago
6 0

Answer:

14 gel pens/minute

Step-by-step explanation:

divide the amount by time.

210/15 = 14

Vladimir [108]2 years ago
3 0

Answer:

14

Step-by-step explanation:

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Please answer !!!!!!!!!!!!!!!!
Stella [2.4K]
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8 0
2 years ago
the sum of the first nine terms of an arithmetic series is 162, and the sum of the first 12 terms is 288. Determine the first fi
Natali5045456 [20]

Answer:

\boxed{\pink{\tt \leadsto Sum \ of \ first \ five \ terms \ is \ 50 . }}

Step-by-step explanation:

Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

\boxed{\red{\bf \bigg\lgroup For \ answer \ refer \ to \ attachment \bigg\rgroup  }}

<h3><u>Related</u><u> </u><u>Infor</u><u>mation</u><u> </u><u>:</u><u>-</u><u> </u></h3>

• The sum of n terms of an AP is

\boxed{\orange{\sf S_n = \dfrac{n}{2}[2a+(n-1)d] }}

• nth term of an AP is given by ,

\boxed{\blue{\sf T_n = a+(n-1)d }}

8 0
2 years ago
Math please help 10 points!
gizmo_the_mogwai [7]

Answer:


Step-by-step explanation:

average= \frac{sum of scores}{number of tests}

80= \frac{79+81+77+x}{4}

80 x 4 = 79+81+77+x

320=237  + x

320-237 = x

83=x

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8 0
3 years ago
Which statement is NOT true about the ratio of the leg lengths of increment ΔLRM and increment ΔJSK?
Alona [7]
Given the similar triangles, it can always be noted that similarity can be derived from the proportionality of the leg lengths, however it is not true the the ratio of the proportion of the leg lengths is equal to the slope of the triangles. Thus the false statement is:
A]  <span>The slope of the hypotenuse is represented by the ratio of the leg lengths.</span>
7 0
3 years ago
PLEASE HELP!!
Marrrta [24]

Answer:

I you will draw a number less than thirteen one fourth of the time. so 25%

Step-by-step explanation:

52 divided by 13 is four.

3 0
2 years ago
Read 2 more answers
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