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2 years ago

14

Uppose jina has 9.23 pounds of seed. if it takes 7.1 pounds of seed to plant one acre of grass, how many acres of grass can be p

lanted?

1 answer:

Ber [7]2 years ago

3 0

Only 1 whole acre and it you want to be technical you can plant 1.3 acres. Just divide

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What expression is equivalent to 1/3(4-5x-1)?

Serhud [2]

1/3( 4 - 5x - 1)

= (1/3)(4 + - 5x + - 1)

= (1/3)( 4) + (1/3)(- 5x) + (1/3)( - 1)

= 4/3 + - 5x/3 + - 1/3

= - 5x/3 + 1 (Decimal: - 1.666667x + 1)

Hope that helps!!!!

3 0

2 years ago

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I need help for these 2 problems the reason it’s already written is because I got them wrong (20 pts)

lawyer [7]

Answer:

I'm so so sorry but I cant really see what those say... Again, I'm very sorry about this...

Step-by-step explanation:

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1 year ago

Find |37|.<br> 0<br> -37<br> 37<br><br><br><br> i have 3 minutes to finish HELPP :(

valentina_108 [34]

It’s -37! | this means the opposite of the number ;)

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2 years ago

A lampshade has a height of 12cm and upper and lower diameters of 10cm and 20cm A)what area of material is required to cover tha

netineya [11]

Answer:

$(a)\ Area = 195\pi$

$(b)\ Volume = 700\pi$

Step-by-step explanation:

Given

$h = 12$

$d_1 = 10$ --- lower diameter

$d_2 = 20$ --- upper diameter

Solving (a): The curved surface area

This is calculated as:

$Area = \pi l(r_1 + r_2)$

Where

$r_1 = 0.5 * d_1 = 0.5 * 10 = 5$ --- lower radius

$r_2 = 0.5 * d_2 = 0.5 * 20 = 10$ --- upper radius

And

$l = \sqrt{h^2 + (r_1 - r_2)^2$ ---- l represents the slant height of the frustrum

$l = \sqrt{12^2 + (5 - 10)^2$

$l = \sqrt{12^2 + (-5)^2$

$l = \sqrt{144 + 25$

$l = \sqrt{169$

$l = 13$

So, we have:

$Area = \pi l(r_1 + r_2)$

$Area = \pi * 13(5 + 10)$

$Area = \pi * 13(15)$

$Area = 195\pi$

Solving (b): The volume

This is calculated as:

$Volume = \frac{1}{3}\pi * h * (r_1^2 + r_2^2 + (r_1 * r_2))$

This gives:

$Volume = \frac{1}{3}\pi * 12 * (5^2 + 10^2 + (5 * 10))$

$Volume = \frac{1}{3}\pi * 12 * (25 + 100 + (50))$

$Volume = \frac{1}{3}\pi * 12 * (175)$

$Volume = \pi *4 * 175$

$Volume = 700\pi$

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2 years ago

Tyler needs at least $205 for a new video game system. he has already saved $30. he earns 7$ an hour at his job. write and solve

posledela

Answer: 25 hours is the answer

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1 year ago

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