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2 years ago

Please help me! This is due tomorrow and I really need some help! Thank you.

Mathematics

2 answers:

Lana71 [14]2 years ago

6 0

Answer:

B: The mean wingspan is 59 inches.

Step-by-step explanation:

The mean is the average so when you add up all of the wingspans 53+59+59+60+60+61+61 you get 413, and to find the mean you would divide that by seven (413/7), because there are 7 students, which is 59.

Harlamova29_29 [7]2 years ago

4 0

Answer:

B. the mean is 59 inches

Step-by-step explanation:

if you add the number of inches together you get 413. 413 divided by 7 is 59. that is the mean.

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Help please

tester [92]

Answer:

64y² - 81

Step-by-step explanation:

(8y +9)(8y - 9)

64y² - 72y + 72y - 81

64y² - 81

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2 years ago

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1. 10 metres of cloth cost 1000 Rs. What will be the cost for 4 metres

german

Answer:

Step-by-step explanation:

10 -- 1000

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2 years ago

Find the height of the cylinder.

lara31 [8.8K]

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h~~
\begin{cases}
r=radius\\
h=height\\
-----\\
V=271.4\\
r=6
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3 years ago

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80 to 60 as a fraction

Alenkasestr [34]

Answer:

4/3

Step-by-step explanation:

80 to 60 means a ratio. That means 80:60, which means 80/60, which simplifies to 4/3.

7 0

3 years ago

Read 2 more answers

Plz ans with steps... Thx!!

Ganezh [65]

Answer:

Step-by-step explanation:

Let the 1st part of your answer be x , so the 2nd part will be 40-x . From the given information, we can write the equation: (1/4)x = (3/8) × (40-x) . We can simplify this into (1/4)x = (120-3x)/8 ; 8x = 480-12x ; 8x+12x = 480 ; 20x = 480 ; x = 480/20; x = 24

Therefore, the 1st part = 24

Plug this into your 40-x equation to get: 40 - 24 = 16

3 0

3 years ago