Diallo says that the value of 12-3 to the second power is 81. how did he get that answer

Answers

Answer 1

Answer:

Answer:

12-3= 9

9^2= 81

Step-by-step explanation:

As the statement indicates that diallo says that the value of 12-3 to the second power is 81, it means that he subtracted 3 from 12 which is equal to 9. Also, the value of 12-3 to the second power means that he calculed the value of 9 squared which is 81.

Answer 2

Answer: He would have to subtract 12 and 3 which would give you a total of 9. then he would have to find the value of 9 squared which is 81. Hope that helped!

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Solve for c

1.2c = 0.6

Answers

1.2c=0.6
you have to divide 1.2 on both sides. 0.6/1.2=1/2
c=1/2

1.2c=0.6

Divide both sides by 1.2

1.2c/1.2=0.6/1.2

c= 0.5

Check the answer

Replace c by its number

1.2*0.5=0.6

0.6=0.6

So the answer is good

I hope that's help !

33 + 15w = 3w -w + 4w

Answers

3w minus w is 2w, +4w is 6w. subtract 15 w both sides of the equation to get 33 on one side, and 9w on the other side. divide 9 on both sides, and the nswer is 3 and 2/3.

First, start by adding like variables on the same side of the equal sign

33+15w= 2w+4w
33+15w= 6w

Next, subtract 15w from both sides to get like terms on the same side

33+15w(-15w)=6w(-15w)
33=-9w

Finally, divide -9 on both sides to get the variable alone

33(/-9)=-9w(-9)
24=w or w=24

Write an algebraic expression to represent the cost of a concert ticket,h,with a service charge of $6.75.

Answers

Answer:

$6.75+h

Step-by-step explanation:

It's pretty simple. The cost of a concert ticket is unknown, which is h. And a service charge is $6.75. You are adding how much you would have to pay. That's why you add h+$6.75

jimmy and his family are on their way to visit some family friends who live 780 miles away from them.based on the route they chose they expect to complete their trip in three days. the distances and average speeds for the first two days driven are shown below. first day 4 hours at an averge speed of 60 miles per hour second day 6 hours at average speed of 65 miles per hour if the average speed on the third day is 60 miles pe hour how many more hours willit tak foe them to reach their family friends home

Answers

If they drive an average of 60 miles per hour the last day it will take them 2.5 hours.

4 hours at 60 miles per hour = 4*60 = 240 miles

6 hours at 65 miles per hour = 6*65 = 390 miles

This is a total of 630 miles. There are 780-630=150 miles left; if they average 60 miles per hour, that would be 150/60 = 2.5 hours.

The year is 1714. You are in a dark Spanish prison. You wake up to find yourself tied to a table with ropes. In the darkness you hear a rhythmic swishing sound-something going back and forth, back and forth. Eventually your eyes get accustomed to the dark and see that the source of the sound is a sharp bade at the end of a long pendulum that’s swinging back and forth over your body. With each sweep it gets a little lower-and a little closer to your chest. You note how long it takes between those swishes: exactly 7 seconds. And with each swish, the blade drops 1 inch lower. The last passing was only 15 inches above your chest. It won’t be much longer before the blade slices right through you. Should you scream for help? That would probably just summon a guard, who would run through with a sword then and there. But wait! You see a rat by your arms and he’s gnawing at the rope that binds you to the table. In fact, he has only 1 minute to go before he gnaws through it all the way. When he does that, you can get free! Will the rat chew through the rope before or after the blade has slashed through your chest? How much time do you have exactly?

Answers

If the rat will chew through the rope in 60 seconds you will be free.
In 7 seconds it will be 14 inches from your chest
In 14 seconds it will be 13 inches from your chest
In 21 seconds it will be 12 inches from your chest
In 28 seconds it will be 11 inches from your chest
In 35 seconds it will be 10 inches from your chest
In 42 seconds it will be 9 inches
In 49 seconds it will be 8 inches
In 56 seconds it will be 7 inches
In 63 seconds it will be 6 inches (and you will be free since the rat finished)
In 70 seconds it will be 5 inches
In 77 seconds it will be 4 inches
In 84 seconds it will be 3 inches
In 91 seconds it will be 2 inches
In 98 seconds it will be 1 inch
You have 6 seconds before it swings again and cuts you so you have 104 seconds exactly but lucky for you the rat chewed through the rope 44 seconds ago.

Please help me answer the question........

Answers

8x3,000= 24,000 (8x3=24 you just add the three 0's from 3,000)
8x200= 1,600 (8x2=16 you just add the two 0's from 200)
8x9=72
answer; 24,000+1,600+72

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