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wlad13 [49]
3 years ago
11

Helppppppppppppppppppppppp

Mathematics
1 answer:
Ratling [72]3 years ago
6 0

9514 1404 393

Answer:

  B, C

Step-by-step explanation:

The sums are ...

  A) 59.45

  B) 118.16

  C) 18.97

  D) 27.76

Sums B and C have 8 in the ones place.

__

You can add the ones-place digits. If the resulting ones-digit is 7 or 8, then add the tenths-place digits. If the carry from that sum, added to the sum of ones-place digits, gives a value of 8 or 18, then you found a sum with a ones digit of 8.

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Can someone answer these questions please, i'm having trouble with them
fiasKO [112]

Answer:

1. $686.94

2. $735.03

3. $10707.55

4. $17631.94

5. $19635.72

Step-by-step explanation:

1st Question:

The interest rate is 7% for each year. This means that each year the person has to pay 7% more than the previous amount. So we need to multiply the initial amount by (0.07+1=1.07) in order to get the interest for the first year. if we want to find the second year's interests then we will have to multiply 2 (1.07)'s and so on.

in this case our function is: 600*(1.07)^t=P(t)

when t=2 P(2)=600*(1.07)^2=$686.94

2nd Question:

Function: 600*(1.07)^t=P(t)

when t=3 P(3)=600*(1.07)^3=$735.03

3rd Question:

initial value=$8500

1+0.08=1.08

Function: 8500*(1.08)^t=P(t)

t=3

P(3)=8500*(1.08)^3=$10707.55

4th Question:

initial value=$12000

1+1.08=1.08

t=5

Function: P(t)=12000*(1.08)^t

P(5)=12000*(1.08)^5=$17631.94

5th Question:

Function: 14000*(1.07)^t=P(t)

P(5)=14000*(1.07)^5

P(5)=$19635.72

4 0
2 years ago
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Sarah drove 40 miles per hour . In 3 hours sarah drove 120 miles . Which is a vaild proportion to represent the problem?
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Answer:


Step-by-step explanation:

1/40=3/120

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What is the center of the circle x² + y2 - 16 = 0?
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Answer:

(0,0)

Step-by-step explanation:

x^2+y^2=4^2

center: (0,0)

radius=4

7 0
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Find the product 3 2/5 and 5/8. Express answer in simplest form
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Answer:

2 1/8

Step-by-step explanation:

Hope this helps!!

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Algebra math homework
Liono4ka [1.6K]

7.8n+10=50

8n+10-10=50-10

8n=40/8

n=5

so,larina can purchase 5 bracelets.

8.375 = 20g + 75

375 = 20g + 75

– 75 = – 75

300 = 20g

15 = g

LaTasha played 15 rounds of golf.

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