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Kamila [148]
2 years ago
14

40 hours is what part of 120 hours

Mathematics
1 answer:
Yanka [14]2 years ago
8 0

Answer:

1/3 part of 120 hours....

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  You have 2 different savings accounts. For Account​ A, the simple interest earned after 15 months is ​$9.25. For Account​ B, t
Pie

Answer:

Principal in Account A: $16.67

Principal in Account B: $33.33

Account B earned the most interest in the first month.

Step-by-step explanation:

Use the simple interest formula: I = Prt

"I" represents total interest earned

"P" is principal, the starting amount

"r" is the rate of interest in decimal form. Find this by dividing percentage by 100.

"t" is the time where interest was earned

Substitute all the information you know into the equation. Then isolate "P" to find the principal. Next, use the formula to calculate the interest for 1 month.

<u>Account A</u>

t = 15

I = 9.25

r = 3.7%   ==> Convert to decimal: 3.7/100 = 0.037

Find principal:

I = Prt

9.25 = P(0.037)(15)

9.25 = 0.555P    <=Divide both sides by 0.555

P = 16.67

First month interest:

I = Prt

I = 16.67(0.037)(1)

I = 0.62

<u>Account B</u>

t = 27

I = 21.60

r = 2.4%   ==> Convert to decimal: 2.4/100 = 0.024

Find principal:

I = Prt

21.60 = P(0.024)(27)

21.60 = 0.648P    <= Divide both sides by 0.648

P = 33.33

First month interest:

I = Prt

I = 33.33(0.024)(1)

I = 0.80

The first month interest in Account B was more than in Account A.

0.80 > 0.62

Therefore, the principal in Account A is $16.67. The principal in Account B is $33.33. Account B earned the most interest in the first month.

8 0
3 years ago
What is the value of (–7 + 3i) – (2 – 6i)?
const2013 [10]
The answer is correct. If you have a graphing calculator, there is an "i" button, so the calculator does all your work for you and is a good way to check your answers.
7 0
3 years ago
Read 2 more answers
Is 23 + 64 positive or negative?​
Natasha2012 [34]

Answer:

positive, it doesnt have a negative sign duh!

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
PLease Help MEE I really need help and will give brainliest
Naya [18.7K]

9514 1404 393

Answer:

  135.1 cm

Step-by-step explanation:

The Pythagorean theorem tells you how to find the hypotenuse of a right triangle with legs 120 and 62:

  diagonal = √(120² +62²) = √18244 ≈ 135.07

The length of one of the braces is about 135.1 cm.

7 0
3 years ago
Read 2 more answers
forest ranger christ johnson at ranger station a sights a fire in teh direction 32 east of north. ranger rick thorpe at ranger s
RoseWind [281]

Answer: 8.6 from Ranger Christ and 6.8 from Ranger Rick

Step-by-step explanation:

The sides of triangle with A point as Ranger christ, B point as Ranger rick and C point at which two fires intersect.

This can be better understood by using law of sines

\frac{sin(90-32)}{a}= \frac{sin(90-48)}{b}= \frac{sin(180-58-42)}{10}

Solving we get

a= 8.6

and b= 6.8

4 0
3 years ago
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