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Sunny_sXe [5.5K]
3 years ago
9

List the first 10 triangular numbers

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0
Answer:

0, 1, 3, 6, 10, 15, 21, 28, 36, 45
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Find the value of b in equation y = mx+b that passes through the point (9,-2) and has a slope of 2/3
kiruha [24]

Answer:

-8

Step-by-step explanation:

y = mx + b

-2 = 2/3(9) + b

-2 = 6 + b

b = -8

4 0
4 years ago
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Todd is attempting to predict how much money his furniture company will make based on the amount raw materials the company curre
const2013 [10]
<span>Average profit from the sale of 1 piece of furniture = 3x + 1 Average number of pieces of furniture that can be made using current supply of raw materials = 3x - 1. Therefore, Average profit of total furniture = Average profit X Average total of furniture sold = (3x + 1) X (3x - 1) = 9x^2 - 1</span>
8 0
3 years ago
The graph shows the scores of an exam. About what percent of students scored above 86%?
Gemiola [76]

Attach shows the scores of students in an exam

\begin{gathered} \text{(students scored above 86\%) = }\frac{\text{ number of students score above 86\%}}{\text{Total scored }}\text{ x }\frac{100}{1} \\ \text{(students scored above 86\%) = }\frac{\text{8+5.9+2.2+2}}{1.4+2.2+4.5+6.2+8.5+16.5+18+16.3+8+8+5.9+2.2+2}X\frac{100}{1} \\  \\ \text{(students scored above 86\%) = }\frac{18.1}{99.7}\text{ X }\frac{100}{1} \\ \text{(students scored above 86\%) = }18.15\text{ \%} \\ \text{(students scored above 86\%) = 18\%} \end{gathered}

Hence the correct answer = 18% Option A

8 0
1 year ago
A number less than 85 the number has 26 and 6 as factors
mash [69]
First write out the multiples of 6 and 26. Then find the common multiple they share that is immediately less than 85. (I do 26 first since it will have less multiple and it will give me an idea what to look for within the multiples for 6)

26: 26, 52, 78 (anything more will be over 85 and we need a number less than 85)
6: 6, 12, 18, 24, 30, 36, 42, 48, 56, 72, 78 (I stopped at 78 since any number after this will be larger than 85)

I now look to find the multiple that both 26 & 6 shares that is also less than 85 and it land me on the number 78!

The Answer: 78

Hope this helps!
7 0
4 years ago
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Select the correct solution set 2x-8&lt;7
timama [110]

Answer:

4.  

b

d

7.

the quordinates would be 1, 5

9.

the quordinates would be 23,1  

15.  

c

16.

a

Step-by-step explanation:

8 0
3 years ago
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