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Lilit [14]
3 years ago
13

Hellppp 8(–10r+–1)+–r+2

Mathematics
1 answer:
fredd [130]3 years ago
4 0

Answer:

-81r - 6

Step-by-step explanation:

8(-10r - 1) - r + 2

use the distributive property

-80r - 8 - r + 2

combine like terms

<em><u>-81r - 6</u></em>

plz mark as brianliest if correct!!!

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A motorcycle bought for $10,000 depreciates continuously at 9% per annum. What is the value after seven years round the answer t
Scilla [17]

Answer:

Book value= $62.83

Step-by-step explanation:

Giving the following information:

A motorcycle bought for $10,000 depreciates continuously at 9% per annum.

<u>First, we need to calculate the depreciation of seven years:</u>

FV= PV*{[1+(-i/100)]^n}

FV= 10,000*{[1+(-0.09/100)]^7}

FV= $9937.17

Book value= 10,000 - 9,937.17

Book value= $62.83

5 0
3 years ago
Cot -90<br> trig function
Licemer1 [7]

Answer:

It doesn't exist,bro.

Step-by-step explanation:

5 0
3 years ago
Solve for x in the following equation: 4(-5x-6) = 4(9x+4)
Romashka-Z-Leto [24]

Answer:

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4 0
2 years ago
9x-6y=-12 and -2x+3y=-4 by elimination
lawyer [7]

Answer:

x = 4, y = 4 or you can say (4, 4)

7 0
3 years ago
What is the product of 3.6 x 4.2<br><br> How did you find it.
mixas84 [53]

Answer:

15.12

Step-by-step explanation:

3.6 x 4.2

first aline the decmials like you would regularly do to multiply.

Then multiply 2 x 6=12 and then 2 x 3=6 and put them down were you would already do noramly multiplying.

and then muliply 4x6=24 and 4x3=12 and do the same thing as you would do normaly and then add 72 and 144 to get 1512 and then count your decmail placing. which is 2 placeing in total which makes 1512 into 15.12

and now you done!

Example of how it should look...

       3   . 6

×       4   . 2

+       7   . 2

+   1 4 4  

=  1 5 1 2

6 0
3 years ago
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