I need help with everything please tell me how to show work and the answer

Answers

Answer 1

Answer: All the answers attracted in the photo with working

Answer 2

Answer: This answer is correct above

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Fifteen of the 25 seminarians are deacons. What percent of the seminarians are deacons?

Answers

15 of 25
$(15)/(25)$ × 100
0.6 × 100 = 60%

The volume of Saturn is 8.27 × 10^14. This is about 766 times the volume of Earth.What is the approximate volume of Earth? Show your work.

Answers

Answer: 67

Step-by-step explanation:

PLEASE SOMEONE HELP AND EXPLAIN THE FIRST ONE PLEASE SO THE HALF LIFE OF A RADIOACTIVE KIND OF POTASSIUM IS 12 HRS . HOW MUCH WILL BE LEFT AFTER 36 HRS, IF YOU START WITH 64 GRAMS OF IT? SO I DID A=64(1/2)^36 POWER IS THAT THE ACCURATE FORM PLEASE I NEED HELP ASAPBTW THIS IS EXPONENTIAL DECAY

Answers

Don't get carried away with the exponent.

The exponent is not the number of years or the number of hours.
The exponent is the number of half-lifes.

In this one, the half-life is 12 hours, and they want to know
how much is left after 36 hours. 36 hours is 3 half-lifes.
The formula that you did is beautiful and almost perfect.
Just change that ugly exponent to the number of half-lifes (3)
and the answer will jump out at you.

half life formula is
F=P(1/2)^(t/h)

F=furure or ending amount
P=present amount
t=time elapsed
h=time the half life is

F=64(1/2)^(36/12)
F=64(1/2)^(3)
F=64(1/8)
F=8 grams

What is the area of the equilateral triangle?

Answers

the area of an equilateral triangle is A= 3/4a squared.

it takes 32 minutes for three people to paint for walls. How many minutes does it take for people to paint seven walls?

Answers

it takes 10.7 minutes

That will be 56 minutes

Artificial turf in on athletic fields was first introduced in the 1960s. Its safety has been controversial since then. One issue that has been investigated is whether injuries of football players tend to be more serious on artificial turf than grass. A study followed 24 NCAA division 1A college football teams over three seasonsIn total there were 1050 injuries that occurred on field turf. Of the field turf injuries, 83.3333% were minor and 10.857% were substantial.

77.972% of grass injuries were minor.

4.26% of injuries occurred on grass were severe.

(There is a total of minor injuries on grass and on field turf is equal to 1813.

How many injuries were severe and occurred on field turf? Write your answer as an integer.

How many injuries were severe? Write your answer as an integer.

Answers

1. Out of 1050 injuries that occurred on field turf:
$(1050)(0.8333) = 875$ were minor and $(1050)(0.10857) = 114$ were substantial. This leaves 1050 - 875 - 114 = 61 severe injuries.

2. If there were 1813 total minor injuries, and 875 were on field turf, then 1813 - 875 = 938 were on grass. This is 77.972% of all grass injuries, so $0.77972x = 938$ gives $x = 1203$ total grass injuries.

Since 4.26% of grass injuries were severe, this is (1203)(0.0426) = 51 severe grass injuries. Adding this to the 61 severe turf injuries gives a total of 112 severe injuries.