Measuring the width of a book.

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

5 0

Lol what’s the question

barxatty [35]3 years ago

5 0

What is the problem?

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Please help me u guys!!

QveST [7]

We first need to find the circle formula so we take pi(5)^2 and then we get 78.5 which then we times by the height which is 20 - 5 = 15 then the answer is 1177.5 cm^3

8 0

3 years ago

For 2 events a and b, where p(a) = .5, p(b) = .2 if p(a/b)= .2, find p(a ∩ b)

Drupady [299]

$P(A\cap B)=P(A\mid B)\cdot P(B)=0.2\cdot0.2=0.04$

5 0

3 years ago

Given the equation 5 + x - 12 = x- 7.

marusya05 [52]

Answer:

Step-by-step explanation:

5 + x - 12 = x- 7 (Add the 5 and -12 to simplify)

x - 7 = x - 7 (notice its the same on both sides of equal sign. Add 7 to both sides)

x = x

solution is all real numbers

Part B

5 - 4 - 12 = -4 - 7

-11 = -11

5 + 0 - 12 = 0 - 7

-7 = -7

5 + 5 - 12 = 5 - 7

-2 = -2

8 0

3 years ago

Your engineering firm is asked to specify the maximum load for the elevators in a new building: Each elevator has mass 490 kg wh

steposvetlana [31]

Answer:

a) m =589.734kg

b) n = 8 people (rounded down)

Step-by-step explanation:

The first step is to calculate the maximum load after safety considerations ( $T_{max}$

Since we know that the maximum tension the cables can withstand is 19500N (or 19.5kN). To calculate ( $T_{max}$ we multiply this value by $\frac{2}{3}$ (as per the given safety consideration.