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crimeas [40]
4 years ago
15

Simplify each expression 1) 5n(2n + 1) +48 - 6n)

Mathematics
1 answer:
Butoxors [25]4 years ago
7 0
Distribute the 5n to inside the parenthesis 10n+5n+48-6n
——10+5-6=9
9n+48
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HellpppNeed help please urgent
Novay_Z [31]

Answer:

the answer is 63.59m²

Step-by-step explanation:

radius =  \frac{diameter}{2}  \\  =  \frac{3}{2}  \\  =  \frac{9}{2} (since \:1cm = 3m \: so \: 3cm = 9m) \\  = 4.5 \\ area \: of \: circle = \pi {r}^{2}  \\  = 3.14 \times (4.5) {}^{2}  \\  = 3.14 \times 20.25 \\  = 63.585 {m}^{2}

4 0
2 years ago
Find the value of x.<br> 6<br> 8<br> x
frosja888 [35]

Answer:

10

Step-by-step explanation:

Pythagorus thereom. So

8sq +6sq= xsq

64+36=100

Sq root 100 is 10

5 0
3 years ago
Write the fraction in decimal notation 3 1/100
Nesterboy [21]
3.01 is the decimal notation for 3 1/100. You keep the three in the ones place. 1/100 is a decimal. If you use long division or a calculator, you can see that 1/100 is 0.01.
7 0
4 years ago
what equation would represent the same linear relationship for the points (40,80) (80,115) (120,140) (160,165)
tiny-mole [99]
You can use the formula y1-y2=m(x1-x2)

to find m, you just do (y2-y1)/(x2-x1) so....

(115-80)/(80-40)= 35/40= 7/8

then plug it into the point slope equation:

y-115=7/8(x-80)

y-115=7/8x-70
y= 7/8 x + 45
5 0
3 years ago
Read 2 more answers
Which symbol creates a true sentence when x equals 2? 6 • 8 – 2x _____ 6(5 + x) &lt; &gt; = ?
34kurt
48-4=44,in the left
6×7=42,in the right
44>42,so > is the answer
5 0
3 years ago
Read 2 more answers
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