What is the height of a rectangular prism with a base of 147cm and a volume of 1323cm

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Answer 1

Answer: What is the meaning of science

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A rock is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the rock?Initial volume of water: 13.7 mL Final volume of water: 28.9 mL
A skydiver weighing 160 lb (including equipment) falls vertically downward from an altitude of 20,000 ft and opens the parachute after 18 s of free fall. Assume that the force of air resistance, which is directed opposite to the velocity, is of magnitude 0.7|v| when the parachute is closed and is of magnitude 14|v| when the parachute is open, where the velocity vis measured in ft/s. Assume that acceleration due to gravity has magnitude 32 ft/s; remember that weight is the product of mass and gravitational acceleration.Required:a. Find the speed of the skydiver when the parachute opens.b. Find the distance fallen before the parachute opens.c. What is the limiting velocity vL after the parachute opens?d. Determine how long the sky diver is in the air after the parachute opens.e. Plot the graph of velocity versus time from the beginning of the fall until the sky diver reaches the ground.
Solve for x 7x-3=5x+5=
Write 3.45 as a reduced mixed number.

Which quadratic function has one real solution?A.0 = 2(x + 7)(x – 5)
B.0 = (x – 3)(x – 3)
C.0 = 2.4(x – 2)(x + 2)
D.0 = (x – 2)(x – 1)

Answers

1 real solution means that it has a multiplicity aka
if r is the solution
0=(x-r)^m

theone that fits that is B, the solution is x=3

B is answer

What are the zeros of the function F of X equals X squared -13 X -30

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Hello,

x²-13x-30=0
==>x²-15x+2x-30=0
==>x(x-15)+2(x-15)=0
==>(x-15)(x+2)=0
==>x=15 or x=-2

He price of a computer component at the QRCC bookstore is decreasing at a rate of 2.25% per year. Decide whether this decrease is linear or exponential.

Answers

Answer:

The decrease is exponential.

Step-by-step explanation:

An exponential decrease is something like:

f(x) = A*(r)^x with 0 < r < 1

A linear decrease is something like:

g(x) = -a*x + b with a > 0

First ai general formula.

If you have a quantity Q, decreased by an X%, the new quantity will be:

New Quantity = Q - Q*(X%/100%)

Now let's look at the question:

Suppose that the original price of the computer component is K

And the price as a function of the year is P(y)

Then we know that, in the year zero, the price is K.

P(0) = K

One year after, the price decreases by 2.25%

Then:

P(1) = K - K*(2.25%/100%) = K*(1 - 0.0225)

After another year, we will have another decrease of 2.25%

Then:

P(2) = K*(1 - 0.0225) - K*(1 - 0.0225)*(2.25%/100%)

P(2) = K*(1 - 0.0225)*(1 - 0.0225) = K*(1 - 0.0225)^2

We already can see the pattern, we can expect that in the year y, the price of the component will be:

P(y) = K*(1 - 0.0225)^y

This clearly is an exponential decrease.

What is the measure of angle A ?
what is the measure of angle B ?

Answers

Answer:

$\angle\,A=72^o\n\angle\,B=108^o$

Step-by-step explanation:

Notice that buy construction of a parallelogram,the angles $\angle \,A$ and $\angle \,C$ must equal each other. Then, based on the info given, we can write the following equation:

$3\,y+27^o=5\,y-3^o\n27^o+3^o=5\,y-3\,y\n30^o=2\,y\ny=15^o$

Then, angle $\angle \,A$ = $5\,(15^o)-3^o=72^o$ which is also equal to angle B

and since the addition of all internal angles of the parallelogram must equal $360^o$ , then:

$B+D=360^o-72^o-72^o=216^o$

and therefore, since $\angle \,B$ and $\angle \,D$ must be equal, then:

$\angle\,B=(216^o)/(2) =108^o$

What is an equation of the line in point-slope form?

(3.8) and (7,5)

Answers

This is one equation y-5=-3/4(x-7)

Could -2 be used as a base to rewrite 32? 64? Why or why not

Answers

for 32 no, because ( -2 )⁵ = -32
for 64 yes, because (-2)⁶ = 64
as a general rule a negative number raised to a odd number will give a negative number
a negative number raised to a even number will give a positive number

Answer: A base of − cannot be used to rewrite because (−)

= −. A base of − can be used to rewrite because

(−)

= . If the exponent, , is even, (−)

will be positive. If the exponent, , is odd, (−)

cannot be a

positive number.

Step-by-step explanation:

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