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notsponge [240]

3 years ago

9

Can anyone pls help me with this math THANK YOU VERY MUCH

2 answers:

irakobra [83]3 years ago

6 0

Answer:

the (3rd) blue one in the first space

then the second one in the second space

the fourth one in the third space

the first one in the last space

Leno4ka [110]3 years ago

4 0

Answer:

drop the blue(3rd) square into the top space.

drop the 4th square into the second space.

drop the second square into the third space.

drop the 1st (purple & pink) square into the bottom space.

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A clothing manufacturer uses the model a=f+4−−−−√−36−f−−−−−√ to estimate the amount of fabric to order from a mill. In the formu

Anit [1.1K]

Questions:

A clothing manufacturer uses the model a = √(f + 4) - √(36 - f) to estimate the amount of fabric to order from a mill. In the formula, a is the number of apparel items (in hundreds) and f is the number of units of fabric needed. If 400 apparel items will be manufactured , how many units of fabric should be ordered?

Answer:

32 units of fabrics

Step-by-step explanation:

Given

$a = \sqrt{f + 4} - \sqrt{36 - f}$

Required

Find f when a = 4

Substitute 4 for a

$4 = \sqrt{f + 4} - \sqrt{36 - f}$

Rewrite as:

$\sqrt{36 - f} + 4 = \sqrt{f + 4}$

Square both sides

$(\sqrt{36 - f} + 4)^2 = (\sqrt{f + 4})^2$

$(\sqrt{36 - f} + 4)^2 = f + 4$

$36 - f + 8\sqrt{36 - f} + 16 = f + 4$

Collect Like Terms

$8\sqrt{36 - f}= f +f+ 4 - 36 -16$

$8\sqrt{36 - f}= 2f -48$

Divide through by 2

$4\sqrt{36 - f}= f -24$

Square both sides

$16(36-f) = (f - 24)^2$

$16(36-f) = f^2 - 48f + 576$

$576-16f = f^2 - 48f + 576$

$-16f = f^2 - 48f$

Collect like terms

$f^2 - 48f + 16f = 0$

$f^2 -32f = 0$

Factorize

$f(f - 32) = 0$

$f = 0$ or $f = 32$

f can not be 0 because some units must be ordered.

So, f = 32

6 0

3 years ago

A square room has a floor area of 81 square meters. The height of the room is 5 meters. What is the area of one wall

VMariaS [17]

Area of a square is side length ^2

To find the length of the side of a square from the area, that’s the square root of the area:

Length of side = sqrt(81) = 9 meters

Area of wall = length of side x height:

Area of wall = 9 x 5 = 45 square meters

Answer: 45 square meters

4 0

2 years ago

What percent represents the part of the model shaded green. A.60% B.62.5%. C.66.7% D.75%

VLD [36.1K]

Answer:

60%

Step-by-step explanation:

3/5 = 6/10 = 60%

4 0

3 years ago

Read 2 more answers

IS -13 LESS THAN OR GREATER THAN 14

mixas84 [53]

It’s less than because it is a negative number

8 0

4 years ago

Read 2 more answers

You randomly choose one of the tiles. Without replacing the first tile, you choose a second tile. What is the probability of the

hjlf

Answer:

P odd number, then 20) = 1 /14

Step-by-step explanation:

P( odd number) = number of odd numbers/ total

number of odd numbers = 3

total = 7

P( odd number) = 3/7

We keep the tile so that there are only 6 tiles left

P (20) = number of 20/ total

= 1/6

We multiply the probabilities together

P odd number, then 20) = 3/7 * 1/6 = 3/42 = 1 /14

4 0

3 years ago