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Verdich [7]
3 years ago
11

Select the correct answer.

Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

A

Step-by-step explanation:

x+y=34 (add the seperate hours together to get the total amount of hours)

10x+15y=410 (multiply the money made each hour by the hours worked and add them together to get the amount of money joy made)

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Geoff and Trevor each roll a fair six-sided die. What is the probability that the product of the numbers they roll is even?
Nataly [62]
The Chances are 1/2
Hope this helps :D
5 0
3 years ago
Read 2 more answers
Help please !! :(
Sergeu [11.5K]
The annual interest rate is 20.4% which is a 20.4/12 = 1.7% monthly rate.

1.7% = 0.017

-------------------------------------------------

Month 1:

interest = 0.017*(current balance)

interest = 0.017*(1045.87)

interest = 17.77979

interest = 17.78

---------

principal = payment - interest

principal = 490 - 17.78

principal = 472.22

---------

new balance = (old balance) - principal

new balance = (1045.87) - 472.22

new balance = 573.65

at the end of month 1, the balance is $573.65

So far, you have paid $490

-------------------------------------------------

Month 2:

interest = 0.017*(current balance)

interest = 0.017*(573.65)

interest = 9.75205

interest = 9.75

---------

principal = payment - interest

principal = 490 - 9.75

principal = 480.25

---------

new balance = (old balance) - principal

new balance = (573.65) - 480.25

new balance = 93.40

At the end of month 2, the balance is $93.40

So far, you have paid 490+490 = 980 dollars

-------------------------------------------------

Month 3:

The current balance of $93.40 is less than $490, so we don't have to pay the full $490. We can simply pay off the remaining balance. 

Add this to the current total paid amount so far to get 980+93.40 = 1,073.40

I'm not sure if I made a rounding error somewhere or if there is a typo. The closest answer choice I see is choice B. So I'm thinking the answer is choice B. I'd get a second opinion or ask the teacher on this one. 
3 0
3 years ago
The original price of a skateboard was $63.99. The owner of the store marked it 15% off. Calculate the discount and sale price.
aleksandr82 [10.1K]
$63.99 *0.85=$54.40 ($54.3915)<span> rounded = Sale Price
$63.99-54.40= </span> $9.60 $9.59 rounded = Discount
7 0
3 years ago
If –3 + i is a root of the polynomial function f(x), which of the following must also be a root of f(x)? –3 – i –3i 3 – i 3i
Troyanec [42]

Answer:

-3-i is the correct answer.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
-3(2x+1) is 20 greater than the value of 8x+5 : what does x equal
ale4655 [162]

Answer:

-2

Step-by-step explanation:

4 0
3 years ago
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