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dmitriy555 [2]
3 years ago
9

"If you subtract 12 from my number and multiply the difference by -15 ​, the result is -140​." What is ​'s ​number?

Mathematics
1 answer:
Masteriza [31]3 years ago
6 0

Answer:

The answer would be 2.7. Am not very sure though

Step-by-step explanation:

So what you do is

for example the unkown number is x and the answer you get is y

12-x=y * -15=-140

-140/-15=9.33 (this is y the answer)

12-x=9.3

12-9.3=2.7

To check your answer

12-2.7=9.3

9.3 * -15=-139.5 if you round it then it would be -140

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To pay for new machinery in 5 years a company owner invests $10000 at 7.5% compounded quarterly. How much money will be availabl
sukhopar [10]

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37 500

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3 years ago
3. You are a senior consultant at a highly prestigious agency. You did a great job in 2020,
Anastasy [175]

Answer:

(a)The highest expected payout option 1

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(c)Option 1

Step-by-step explanation:

In this you just multiply the amount you are paid by chance if all are favorable to you, so in option 1 you would get $2,000 for each head you get on a flipped coin, so that would be 10*$2,000=$20,000 that's the highest paid, in the dice you get a maximum of 6 dots each, that would make $6,000*3=$18,000.

Rolling the dice can get you 5 scenarios where you don't get $6,000 when all three are lower than $6,000 which would be getting three 1's, two 1's and a 2, ot two 2's and a 1. That's why only option 3 and 1 are available for an almost certainity of getting $6,000

To know this you have to remember last problem, the getting $9,000 will never give you $16,000, and the dice would give you only 3 scenarios where you could end up winning $16,000 whihc would be getting all 6's, two 6's and a 5, or twop 5's and a 6, so your best option would be flipping the coin.

5 0
3 years ago
A wagon is on sale for 20% off. The sale price of the wagon is $114. What was the original price of the wagon, assuming no sales
Sphinxa [80]

The 114 represents 80% of the total price before the sale. You would set up your equation as

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Now subtract 28.50 from 142.50

142.50 - 28.50 = 114 which is just what you might expect.

5 0
3 years ago
Read 2 more answers
Are the equations correct? And how do you solve this completely?
irina [24]
Your equations are right. just use the substitution method to solve. substitute y because both have that on one side

it'll look like 40x+30=30x+60.
then just get x in one side. I showed my owrk in the photo

5 0
3 years ago
Read 2 more answers
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