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My name is Ann [436]
3 years ago
13

Vo.

Mathematics
2 answers:
LiRa [457]3 years ago
7 0

Answer:

The answer is b and e

Assoli18 [71]3 years ago
6 0

Answer: b and e

Step-by-step explanation:

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Use a formula to find the monthly payment on a home mortgage of $84,400 at 4.884% interest for 15 years.
leonid [27]
The applicable formula is
  A = P(r/12)/(1 -(1+r/12)^(-12n))
where P is the principal amount,
r is the annual interest rate (compounded monthly), and
n is the number of years.

Using the formula, we find
  A = 84,400*(0.04884/12)/(1 -(1+0.04884/12)^(-12*15))
  = 84,400*0.00407/(1 -1.00407^-180)
  = 343.508/0.518627
  ≈ 662.34

The monthly payment on a mortgage of $84,400 for 15 years at 4.884% will be
  $662.34
6 0
3 years ago
Simplify: (x + 7)(x-4)<br> A. 2r +3<br> B. 12-28<br> C. x2-3x - 28<br> D. x2 + 3x - 28
jeka57 [31]

Answer:

(x + 7)(x - 4) = x2 - 4x + 7x - 28 = x2 + 3x - 28

7 0
3 years ago
The B-Clean Car Wash washed 128 cars in the 3 hours. At that rate how many cars can they wash in 8 hours? use a proportion.
krok68 [10]

128 : 3 :: w : 8 proportion

3w = (8)(128) product means/extremes

w = 341 ⅓ cars

7 0
3 years ago
A while back, either James borrowed $12 from his friend Rita or she borrowed $12 from him, but he can’t quite remember which. Ei
Ket [755]
He will have 32.00 left from paying back rita.
3 0
3 years ago
Working alone and at a constant rate, Machine A takes 3 hours to create a widget. Machine B, working alone and at a constant rat
PilotLPTM [1.2K]

Answer:

Time required by Machine B to create a widget = 4 hours

Step-by-step explanation:

Time taken by Machine A ( T_{A} ) = 3 hours

Time taken by Machine B ( T_{B} )= x hours

Time taken by both machines by working together = 12 hours

The time required to both machines by  working together to finish a task is given by the formula = \frac{T_{A} {T_{B} } }{T_{A} + T_{B} }

Put the values in above formula we get

⇒ T =  \frac{3 x}{3 + x}

⇒ 12 =  \frac{3 x}{3 + x}

⇒ 36 + 12 x = 3 x

⇒ x = - 4 hours

This is the time required by Machine B to create a widget.

8 0
3 years ago
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