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creativ13 [48]
3 years ago
13

If ∆PML ~ ∆TRQ, find QR.

Mathematics
1 answer:
Svetllana [295]3 years ago
5 0

Answer:

QR=6.4

Step-by-step explanation:

QR is equal to LM

7x-9=2x+2

add 9 on both sides

7x=2x+11

subtract 2x from both sides

5x=11

divide by 5

11/5=2.2

x=2.2

replace x with 2.2

2(2.2)+2

4.4+2

6.4

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8.9 - 1.4x + 6.5x + 3.4<br> PLEASE HELP
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Answer: is 10

Step-by-step explanation:input :

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STEP

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6 0
3 years ago
If A( 6, -1) , B( 1,3) and C( k, 8) are three points such that AB = BC, find the value of k.
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Answer:

HOPE YOU understand it

5 0
3 years ago
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
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