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3 years ago

Pretty please can you help with problem 7. (ONLY IF YOU KNOW)

Mathematics

2 answers:

Vika [28.1K]3 years ago

6 0

1 yard = 3 foot. 1 Foot = 12 inches.
She has 2 yards, 3 inches which = 6 foot 3 inches.
She needs 5 foot 9 inches.

She has more than enough, and to work out how much she has left -
3 inches - 9 inches = -6 inches. -0.5 foot.
6 foot - 5 foot = 1 foot.
1 foot - 0.5 foot. = 0.5 foot. She has 0.5 foot left over

Eddi Din [679]3 years ago

5 0

Yes she has enough inches

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A gift box has a volume of 450 cubic inches. The width of the box is 4 inches less than the length. The height is twice the widt

VashaNatasha [74]

Answer:

width = 5 in

length = 5+4=9 in

height = 2(5)= 10 in

Step-by-step explanation:

A gift box has a volume of 450 cubic inches.

Let 'w' be the width of the box

The width of the box is 4 inches less than the length.

$length = w+4$

The height is twice the width.

$height = 2 \cdot width$

height = 2w

Volume of box = length times width times height

$V=(w+4)(w)(2w)$

$450=(w+4)(w)(2w)$

$450=2w^3+8w^2$

$2w^3+8w^2-450=0$

$\quad 2\left(w-5\right)\left(w^2+9w+45\right)=0$

$w-5=0$

w=5

$\quad\left(w^2+9w+45\right)=0$ , this gives two complex values

so width = 5

length = 5+4=9

height = 2(5)= 10

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3 years ago

A ball has a radius of 18 cm.

jok3333 [9.3K]

Hello there.

A ball has a radius of 18 cm.

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3 years ago

Read 2 more answers

10) g(n) = -21+ 3n; Find gl-6) A) 152 B) -20 C) 1 D) 90

defon

10) g(n) = -21+ 3n; Find gl-6)
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If this helped can I please get brainliest

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Answer:

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Step-by-step explanation:

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