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3 years ago

A rectangle has an area of 40cm cubed and a length of eight cm sketch the rectangle and grind the width

Mathematics

1 answer:

crimeas [40]3 years ago

6 0

40 divided by 8= 5
the width is 5

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Find the probability that a Type A bulb lasts at least 300 hours and a Type B bulb lasts at least 400 hours.

barxatty [35]

Answer:

$P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))$

Step-by-step explanation:

We require more information by I will explain in principle:

If Type A has at least 300 hours and Type B at least 400 hours.

$(X>3)(Y>4)=P(X>3)P(X>4)$

You need to determine the Probability density function of X and Y and then subtract 1 from both

$P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))$

This will give you the probability of the expression.

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4 years ago

Anyone know the answer?

Marrrta [24]

The area of a sector is given by
.. A = (1/2)r^2*θ . . . . . θ is the central angle in radians

The area of an isosceles triangle with legs length r is
.. A = (1/2)r^2*sin(θ) . . . θ is the angle between same-length legs

The shaded area is the difference between these
.. A = (1/2)r^2*(θ -sin(θ))
.. = (1/2)*(18.6 m)^2*(π*123/180 -sin(123°))
.. ≈ 226.3 m^2

4 0

4 years ago

What are the sides of ∠E?

Veronika [31]

Answer:

C. FE and ED

Step-by-step explanation:

The question is asking what are the sides of angle E. I've marked angle E along with its sides in the attached picture.

One side of the angle E has to be ED.

However we have multiple options for the other side. It can be called FE, CE or BE.

So the answers could be any of:

- ED and FE

- ED and CE

- ED and BE

The option that has one of the possible answers is option C: FE and ED.

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2 years ago

A traveling circus with thrill rides Charge 7$ For admission $1.50 For each ride you take. If you pay $29.50 total, how many rid

zaharov [31]

Answer:

15 rides

Step-by-step explanation:

Subtract $7 from $29.50

and then divide what you got ($22.50) from $1.50

8 0

3 years ago

Classify the following triangle. Check all that apply.

stira [4]

Answer:

scalene triangle is in figure.

3 0

3 years ago

Read 2 more answers