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levacccp [35]
2 years ago
12

30 POINTSSSS

Mathematics
1 answer:
agasfer [191]2 years ago
5 0

Answer:

0.76

1.48

increases

Step-by-step explanation:

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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

5 0
3 years ago
Net for a cube has a total surface area of 150 in.2. what is the length of one side of a square face
djverab [1.8K]
Surface area of a cube is given by
SA=6a²
but
SA=150 in²
thus
150=6a²
solving for a we obtain:
150/6=a²
a²=25
thus
a=√25
a=5 inches
hence the side length is 5inches
5 0
3 years ago
Which point on the scatter plot is an outlier?
Masja [62]

Answer:

The outlier is A) Point A

Step-by-step explanation:

Hope this helps! <3

8 0
3 years ago
What is the difference between these two expressions?
mariarad [96]

Answer:

The answer is:

Option 4; (14+ 9) 4 is twice as much as(14 + 9) 2

Thanks

5 0
3 years ago
Read 2 more answers
Which is the measure of line segment AB?<br> A)10 feet<br> B)15 feet<br> C)20 feet<br> D)100 feet
zavuch27 [327]
Find the last angle:
180-(30+90)
180-(120)
60

Evaluate using sine rule:
\frac{c}{sinC}=\frac{b}{sinB}

c=\frac{bsinC}{sinB}

=\frac{10sin90°}{sin30°}

=20

The length of line segment AB is 20 feet (answer choice C)
5 0
3 years ago
Read 2 more answers
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