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Inessa05 [86]
3 years ago
14

Susan's art class is 8 hours long. How long is her class in minutes?​

Mathematics
2 answers:
Llana [10]3 years ago
8 0

Answer:

480

Step-by-step explanation:

PilotLPTM [1.2K]3 years ago
4 0

Answer: 480 minutes

Step-by-step explanation:

8 hours x 60 minutes in a hour = 480

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In the ellipse, if c=6cm, and b=8cm, what is the length of the major axis?
kondor19780726 [428]

Answer:

Option B). 10 cm

Step-by-step explanation:

Distance between center and the focus of an ellipse is given by the formula,

c² = a² - b²

where, a = length of the major axis

b = length of the minor axis

and c = distance between focus and center

If c = 6 cm, b = 8 cm,

6² = a² - 8²

a² = 6² + 8²

a² = 36 + 64

a² = 100

a = 10 cm

Therefore, length of the major axis is 10 cm.

Option (B) is the answer.

4 0
3 years ago
What is the approximate volume of the sphere​
NISA [10]

Answer:

523.33 mm³

Step-by-step explanation:

The general formula for the volume of a sphere is:

V = \frac{4}{3}\pi r^{3}

The radius for the given sphere is 5mm, so plugging that value into the equation and using 3.14 for π:

V = \frac{4}{3}(3.14)(5^{3})

V ≈ 523.33 mm³

8 0
3 years ago
How many solutions does the equation have? 7x +3 - x=3(1 + 2x) (A) 0 (B) 1. (C) infinitely many​
tekilochka [14]

Answer:

C) Infinitely many

Step-by-step explanation:

7x+3-x=3(1+2x)

6x+3=3+6x

Subtract 3 from both sides

6x = 6x

Infinitely many solutions

5 0
3 years ago
Lateral erea of cube​
jekas [21]

Answer:

4a2

Step-by-step explanation:

For a cube the lateral surface area would be the area of the four sides. If the edge of the cube has length a, the area of one square face Aface = a ⋅ a = a2. Thus the lateral surface of a cube will be the area of four faces: 4a2.

4 0
2 years ago
Read 2 more answers
Can someone please help me with this since it been online I haven't been paying attention I know not smart of me but I will if y
ziro4ka [17]

Answer:

$252.5

Step-by-step explanation:

45(4.5)+50

202.5+50

=252.5

6 0
2 years ago
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