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3 years ago

Find the volume of the cylinder.

Mathematics

1 answer:

hodyreva [135]3 years ago

5 0

Answer:

i cant see the picture

Step-by-step explanation:

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The bookstore sold m books on Monday and t books on Tuesday. But on Wednesday, r books were

Amiraneli [1.4K]

Answer:

Step-by-step explanation:

Label the books returned "b", and the books sold on monday "m", and the books sold on tuesday "t", and the books returned "r".

the formula:

$b = (m + t) - r$

(you can remove the brackets)

3 0

2 years ago

Does crime pay? The FBI Standard Survey of Crimes showed that for about 80% of all property crimes (burglary, larceny, car theft

dedylja [7]

Answer:

The appropriate answer is "11 crimes".

Step-by-step explanation:

Let,

The number of crimes be "n".

Now,

⇒ $P(solved \ at \ least \ one) = 1-P(solved \ none \ of \ n)$

or,

⇒ $1-(0.8)^n>0.9$

⇒ $(0.8)^n$

By taking log both sides, we get

⇒ $n>=\frac{log(0.1)}{log(0.8)}$

By putting the values, we get

⇒ $n>=10.31$

$n=11 \ crimes$

6 0

2 years ago

Need help ASAP will mark brainliest

nalin [4]

Answer:

5x -7y = 21

Step-by-step explanation:

A sketch can convince you that BC is a transversal perpendicular to parallel lines AB and CD. The question asks for an equation for CD, so we just need to write the equation of a line through D that is parallel to AB.

One way to do this is to equate the slopes of the parallel lines:

∆y/∆x for AB = ∆y/∆x for CD

(y2 -y1)/(x2 -x1) = (y -2)/(x -7) . . . . . . where (x1, y1) = A; (x2, y2) = B; (7, 2) = D

(4 -(-1))/(1 -(-6)) = (y -2)/(x -7)

5(x -7) = 7(y -2) . . . . . . . . . . . . . cross multiply

5x -7y = 21 . . . . . . . . . . . . . . . . add 35 -7y, simplify

_____

Note that the graph shows the line CD is named "b", and its equation is shown at upper left. Multiplying that equation by -1 gives the one shown here.