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3 years ago

Plss help with mathh >,

Mathematics

1 answer:

pickupchik [31]3 years ago

3 0

Answer:

Step-by-step explanation:

3 I think is tree :) 3::::::::D

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Need help will give brainliest

Dmitriy789 [7]

Answer:

Step-by-step explanation:

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3 years ago

Suzanne has a rectangular garden which is 18 feet long and 11 feet wide. She has 168 square foot of paving stones, and she wants

VikaD [51]

Answer:

width = 2.5 feet

Step-by-step explanation:

Suzanne has a rectangular garden which is 18 feet long and 11 feet wide.

Area of the garden = length times width = 18 times 11= 198 square foot

Let 'w' be the width of the border

Length of the garden with border = 18+2w

Width of the garden with border = 11+2w

Area of the garden with border = $(18+2w)(11+2w)=4w^2+58w+198$

Area of the border = $4w^2+58w+198-198=4w^2+58w$

She has 168 square foot of paving stones,

$4w^2+58w=168$

Solve for w

apply quadratic formula

a= 4, b= 58 and c=-168

$\quad x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$w=\frac{-58+-\sqrt{58^2-4\cdot \:4\left(-168\right)}}{2\cdot \:4}$

$w=\frac{-58+-\sqrt{6052}}{8}$

we get two values for w

$w=\frac{-58+\sqrt{6052}}{8}=2.47$

$w=\frac{-58-\sqrt{6052}}{8}=-16.97$

5 0

3 years ago

39. Which pair has the digits 0,3,5, and 7

Softa [21]

I think it’s letter A

5 0

3 years ago

How many times larger is 3.5 than 3.25

Leona [35]

.25 because .5 is the same as .50 and 25 divided by 2 is 25 and its .25 as a final

5 0

3 years ago

Read 2 more answers

Need help on my spring break packet

Ipatiy [6.2K]

Answer:

7) 15

Step-by-step explanation:

7) 20% = 3 problems

20 x 5 = 100

3 x 5 = 15

5 0

3 years ago