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4 years ago

How could you use the Distributive Property to rewrite the expression −(8 + 12)? A) −(12 + 8)

Mathematics

1 answer:

Aloiza [94]4 years ago

7 0

Answer:

not sure

Step-by-step explanation:

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P(2,-5);y=1/2x+4 write this equation for the line in point-slope form

Nina [5.8K]

Answer:

x..{9 u have }7 gnf butbnot after 25 points

Step-by-step explanation:

7 0

2 years ago

What is the equivalent expression to 3(2p-3)

likoan [24]

1(6p-9) because 3(2p-3)=6p-9 1(6p-9)=6p-9 too

5 0

3 years ago

In the input/output rule: y = -2x + 8 What

Doss [256]

Answer:

"input" is x and "output" is y

y= -2(3) +8

y= -6 +8

y= 2

your answer would be 2

3 0

3 years ago

The radioactive isotope carbon-14 is present in small quantities in all life forms, and it is constantly replenished until the o

Korvikt [17]

Answer:

a) $k = 0.000124$

b) According to these data, the Shroud of Turin has around 760 years.

Step-by-step explanation:

The amount of carbon-14 is modeled by the following equation:

$C(t) = C_{0}e^{-kt}$

In which $C_{0}$ is the initial amount and k is the rate of decrease.

(a) Find the value of the constant k in the differential equation.

Half-life of 5595 years.

So $C(5595) = 0.5C_{0}$

$C(t) = C_{0}e^{-kt}$

$0.5C_{0} = C_{0}e^{-5595k}$

$e^{-5595k} = 0.5$

Applying ln to both sides

$-5595k = -0.69$

$k = 0.000124$

b) In 1988 three teams of scientists found that the Shroud of Turin, which was reputed to be the burial cloth of Jesus, contained about 91 percent of the amount of carbon-14 contained in freshly made cloth of the same material. How old is the Shroud of Turin, according to these data?

This is t when $C(t) = 0.91C_{0}$

$C(t) = C_{0}e^{-kt}$

$0.91C_{0} = C_{0}e^{-0.000124t}$

$e^{-0.000124t} = 0.91$

Applying ln to both sides

$-0.000124t = -0.094$

$t = 760.57$

According to these data, the Shroud of Turin has around 760 years.

8 0

3 years ago

Write a problem about a group of objects in your classroom

erik [133]

The seats in the classroom form a square pattern
of four columns and six rows.

There is one of these mystery objects in every seat
between the hours of 9:00 AM and 12:00 Noon,
and also between the hours of 1:00 PM and 4:30 PM.

a). How many objects are there in seats at 12:45 PM ?

b). How many objects are there in seats at 2:07 PM ?

c). What do you think the mystery objects are ?

3 0

3 years ago

Read 2 more answers