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Natasha_Volkova [10]
3 years ago
13

What is the value of y

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Step-by-step explanation:

step 1. there are 3 right triangles!

step 2. 8/6 = 6/x (definition of right triangle with an altitude)

step 3. 8x = 36 (cross multitude)

step 4. x = 9/2 (divide both sides by 8)

step 5. 6^2 + x^2 = y^2 (pythagorean theorem)

step 6. 6^2 + (9/2)^2 = y^2

step 7. 144/4 + 81/4 = y^2

step 8. 225/4 =y^2

step 9. y = 15/2 = 7.5.

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Jaime needs a new roof on her house. The cash cost is $7500. She decides to finance the project by paying 20% down , with the ba
Gnesinka [82]

Answer:

(a) What finance charge will Jaime pay?

$818.4

(b) What is the APR to the nearest half percent ?

8.5%

Step-by-step explanation:

(a) What finance charge will Jaime pay?

The cash cost is $7500. She decides to finance the project by paying 20% down

Amount paid for down payment = $7500 × 20/100

= $1500

Amount left = $7500 - $1500

= $6000

The balance paid in 36 monthly payments of $189.40.

Hence: $189.40 × 36 = $6818.4

The finance charge = $6818.4 - $6000

= $818.4

(b) What is the APR to the nearest half percent ?

Step 1

Finance charge/ Amount left × 100

= 818.4/6000 × 100

= 13.64

Using the APR table:

The APR to the nearest half percent = 8.5%

8 0
3 years ago
What is the circumference of 18 cm
mel-nik [20]

Answer:

56.57

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
What is 3x3x4/45 does anyone know the answer​
MariettaO [177]

Answer:

4/5 or 0.8

Step-by-step explanation:

3*3*4/45

3*3=9

9*4=32

32/45=4/5

Hope it helps ;)

5 0
3 years ago
Read 2 more answers
Solve the inequality. 1/3b + 1 < -6​
olga_2 [115]

Answer:

b<-21

Step-by-step explanation:

1/3b+1<-6

1/3b<-7

*3     *3

b<-21

5 0
3 years ago
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Is r= 25 and s = 7cm what is the length of t? help please!!​
kicyunya [14]

Answer:

Using the pythaogrean theorem, and the pythagorean triple (7-24-25), the answer is B.

Please mark for Brainliest!! :D Thanks!!

For more questions or more information, please comment below!

4 0
3 years ago
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