Rename the number use the place value 805 tens =

Answers

Answer 1

Answer: To rename this you need to multiply 805 by 100. Then you will have your answer. Lets of it:-

805 tens
805 × 10 = 8050

So, 805 tens is 8050.

Hope I helped ya!!

Answer 2

Answer: What you do is:
1. 805*10

Then you find your answer,
8050.

Thank You!

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Need help please, thanks! A map has a scale of 1 inch:18 kilometers.

Three distances on the map are listed in the chart below. Drag an actual distance into each box to match the corresponding distance on the map.

0.8 in.___________________

1.4 in.____________________

2.1 in.____________________

I don't know, please explain! :(

Answers

Given:
1 inch : 18 kilometers

Let us use the ratio and proportion method:

a:b = c:d where ad = bc

0.8 inches is 14.4 kilometers

1 : 18 = 0.8 : x
x = 0.8 * 18
x = 14.4 km

1.4 inches is 25.2 kilometers

1: 18 = 1.4 : x
x = 18 * 1.4
x = 25.2 km

2.1 inches is 37.8 kilometers

1 : 18 = 2.1 : x
x = 18 * 2.1
x = 37.8 km

Which of the following expressions are equivalent to - -8/-4a. -8-/4
b. 2
c. none of the above

Answers

The following expressions equivalent to c. None of the above

The teacher kept track of how long it took students to finish a test. After 20 minutes, 3 students had finished the test. How long did it take until 8 students were finished?

A.
10 minutes

B.
50 minutes

C.
60 minutes

D.
80 minutes

Answers

so if they all took the same rate then
20 minutes=3 students
divideb y 3
6 1/6 min=1 student
multply by 8
48 and 8/6=8 student=49 and 2/6=49 and 1/3 min=49 min and 20 seconds

the answer is B 50 minutes

If a barrel is 1/5 full and holds 16 litres how many litres will it hold when 1/2 full

Answers

16*5 = 80, that's how many litres when it's full
80/2 = 40, that's how many litres when it's half full
It will hold 40 litres

You have to do 16 x 5 ( denominator ) which is 80. 80 is when it is full.
SO... you have to half that giving you 40. The answer is 40

-2p-4=2 please Help me

Answers

-2p - 4 = 2

Add 4 to each side: -2p = 6

Divide each side by 2 : -p = 3

Multiply each side by -1 : p = -3

To get the answer we have to obtain single p on the LHS.
-2p-4=2 /:-2 (divide both sides by -2)
p+2=-1 /-2 (subtract 2 both sides)
p=-3 - its the answer

Ann bought 6 CDs that were each the same price. Including sales tax, she paid a total of 93.60. Of that total, 4.20was tax. What was the price of each CD before tax?

Answers

If you do 93.60-4.20=89.40. Then you do 89.40 divided by 6= 14.90 so each cd before tax would be $14.90.

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