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BartSMP [9]
3 years ago
9

Can someone help me with these questions

Mathematics
1 answer:
qwelly [4]3 years ago
4 0

Step-by-step explanation:

12) \:  \: p - 6 \\  \\ 14) \:  \: 5 \div n  \:  \: or \:  \: \frac{5}{n}

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Write the equation of the line with a slope of 3/7 passing through the point (9,-2) in standard or slope-point form? ...?
Musya8 [376]
y-y_1=m(x-x_1)
\\
\\ m= \frac{3}{7} 
\\
\\(9,-2) \Rightarrow x_1=9,y_1=-2
\\
\\ y-(-2)=\frac{3}{7} (x-9)
\\
\\y+2=\frac{3}{7}x-\frac{27}{7}
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\\y=\frac{3}{7}x-\frac{27}{7}-2
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7 0
3 years ago
Increase 400litres by 20%
Sati [7]

Answer:

480 Litres

Step-by-step explanation:

Percentage increase = 20% × 400

New value =

400 + Percentage increase =

400 + (20% × 400) =

400 + 20% × 400 =

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(100% + 20%) × 400 =

120% × 400 =

120 ÷ 100 × 400 =

120 × 400 ÷ 100 =

48,000 ÷ 100 =

480

3 0
2 years ago
6 cm<br> 16 cm<br> What is the volume of the cylinder?
jenyasd209 [6]

V = 576 pi cm^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h  where r is the radius and h is the height

V = pi * (6)^2 * 16

V = pi *36*16

V = 576 pi cm^3

5 0
3 years ago
What is the result of converting 81 inches to feet remember there are 12 inches in a foot?
AlekseyPX
81 inches converted to feet is 6.75 feet
7 0
3 years ago
Read 2 more answers
stella and 2 friends buy a pizza and a salad for dinner. they split the cost 3 ways. the pizza cost $15. the salad cost $6. whic
seropon [69]
Answer- (15+6)÷3
Hope this helped! :)
5 0
3 years ago
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