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3 years ago

7

Emily's family loves to work together in the garden. They have a slight preference for flowers, as 60%, percent of their plants

are flowers and 40%, percent are vegetables. They have 50 plants growing in the garden.

1 answer:

lara31 [8.8K]3 years ago

3 0

Answer: the answer is 20.

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A manufacturer cuts squares from the corners of a rectangular plece of sheet metal that measures 2 inches by 7 inches (see Figur

Vladimir79 [104]

Answer:

The value of x that maximizes the volume enclosed by this box is 0.46 inches

The maximum volume is 3.02 cubic inches

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The volume of the open-topped box is equal to

$V=LWH$

where

$L=(7-2x)\ in\\W=(2-2x)\ in\\H=x\ in$

substitute

$V=(7-2x)(2-2x)x$

Convert to expanded form

$V=(7-2x)(2-2x)x\\V=(14-14x-4x+4x^{2})x\\V=14x-14x^2-4x^2+4x^{3}\\V=4x^{3}-18x^{2} +14x$

using a graphing tool

Graph the cubic equation

Remember that

The domain for x is the interval -----> (0,1)

Because

If x>1

then

the width is negative (W=2-2x)

so

The maximum is the point (0.46,3.02)

see the attached figure

therefore

The value of x that maximizes the volume enclosed by this box is 0.46 inches

The maximum volume is 3.02 cubic inches

8 0

3 years ago

What two products do you get when you cross-multiply the fractions 2/5 and 3/8?

jarptica [38.1K]

Answer: a. 10 and 12

explanation:

4 0

3 years ago

May I please receive help?

GrogVix [38]

Answer:

24°

Step-by-step explanation:

(4y-4)+(180-52)+3y = 180°

4y-4+128+3y = 180

7y+124 = 180

7y = 56

y = 8

SO ∠x = 3y

∠x = 3(8)

∠x = 24

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If 3x + 4y = 5, and x - y = 1, then what is y and x?

11Alexandr11 [23.1K]

I hope this helps you 4×[x-y=1] 4x-4y=4 3x+4y+4x-4y=5+4 7x=9 x=9/7 9/7-y=1 y=9/7-1 y=2/7

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3 years ago

How many terms are in the polynomial expression: rst3 - 6r2 t

Leya [2.2K]

2 because idk it was just the answer and hoped it helped you

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3 years ago

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