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Nana76 [90]
3 years ago
13

Evaluate the sum of the first ten terms of the arithmetic sequence.

Mathematics
1 answer:
Basile [38]3 years ago
5 0

21 \times 10 = 2100
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Lin sold 4 more shirts than Greg. Fran sold 3 times as many shirts as Lin. In total the three sold 51 shirts. Which represents t
Alex17521 [72]
 <span>Your Answer: D 

Why.... 

You can make equations out of the information 
Let L be Lin, G be Greg, and F be Fran 

L = 4 + G ---"Lin sold 4 more shirts than Greg" 
F = 3L ---"Fran sold 3 times as many shirts as Lin" 
F + G + L = 51 ---"In total the three sold 51 shirts" 

Use F + G + L = 51 
Substitute the equations in for F and L (because you need to know the G) like this.... 

(3L) + G + (4+G) = 51 

You still have a variable besides G in there... you can use the L= 4+G and substitute again so that there are only G's 

( 3(4+G) ) + G + (4+G) = 51 ---- SIMPLIFY :D 
( 12 + 3G ) + G + 4 + G = 51 
12 + 3G + G + 4 + G = 51 ---Combine like terms 
16 + 5G = 51 </span>
6 0
3 years ago
A political candidate collected $1,749 from a fund raising dinner. If each supporter contributed at least $50, what is the great
Irina-Kira [14]

Answer: C. 34

Step-by-step explanation: 1749 divided by 50 is 34.94 however those extra cents has to just be counted like a tip because it’s not big enough to count as someone. It has to be a full number. Sorry if I explain weird!

4 0
3 years ago
8=-10+m<br><br> {-4/5}<br> {-80}<br> {18}<br> {-2}
Alex787 [66]

Answer:

The answer is C.

Step-by-step explanation:

In order to find the value of m, you have to eliminate -10 on the right side by adding 10 to both sides :

8 = -10 + m

8 + 10 = -10 + m + 10

18 = m

m = 18

5 0
3 years ago
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Which fraction is equivalent to 0.16 repeating
Oksanka [162]

Answer:

We need a reference to do this with but i would say 6/16

Step-by-step explanation:

I am a brainly helper

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3 years ago
Which theorem or postulate proves the two triangles are similar?
Papessa [141]

Answer:

sss i think

Step-by-step explanation:

uh im not 100% sure

3 0
3 years ago
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