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3 years ago

Help me anwser!I really need help

Mathematics

1 answer:

Viefleur [7K]3 years ago

5 0

Use a calculator to answer

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A light bulb in Keisha's house uses a total of 4.86 watts of electric power. If the light bulb uses 5.4 watts each minute it is

Hoochie [10]

Answer:

I think it is 0.9 minutes (I could be wrong though.)

Step-by-step explanation:

3 0

2 years ago

Investigate the difference between compounding annually and simple interest

Gennadij [26K]

Step-by-step explanation:

Simple interest formula

$A = P (1 + rt)$

Compound interest formula

$A = P(1 + \frac{r}{n})^{nt}$

$A = 5000 (1 + 0.025*1)\\A=5000(1.025)\\A=5125$

Simple interest is $125

. $A = 5000 (1 + \frac{0.025}{1})^{1*1} \\A=5000(1.025)\\A= 5125$

Compound interest is $125

c. the result for both a and b are the same

$A = 5000 (1 + 0.025*3) \\A=5000(1.075) \\A=5375$

the simple interest is $375

. $A = 5000 (1 + \frac{0.025}{1})^{1*3}] \\A=5000(1.025)^3 \\A=5000(1.077)\\A= 5385$

the compound interest is $385

f. the result compared, compound interest is $10 more than simple interest

$A = 5000 (1 + 0.02*6) \\A=5000(1.12) \\A=5600$

the simple interest is $600

$A = 5000 (1 + \frac{0.02}{1})^{1*6}] \\A=5000(1.12)^6 \\A=5000(1.9738) \\A= 9869$

the compound interest is $4869

i. the result from g and h, h is over 8 times bigger than g.

j. interest compound annually is not the same as simple interest, only for the case of a and b seeing that it is for 1 year. but for 2years and above there is difference as seen in c to h

6 0

3 years ago

Mr. Allen has 2 dogs, Spike and Fido. He takes both of them outside at 6:00 a.m. He takes Spike outside every 3 hours. He takes

san4es73 [151]

Answer:

3 pm

Step-by-step explanation:

Because 3x5 = 15 and 5x3=15 so it would be at 3 pm

8 0

3 years ago

Read 2 more answers

Kenneth and 3 friends visited the bowling alley.

yKpoI14uk [10]

Answer:

The shoe rental is a one-time expense for the day. So that would be 3 * 2.5

The variable is the number of games. As the question is written, I'm assuming you want the total # of games. So, the formula for that part would be 5.3x

Putting it together:

(3 * 2.5) + 5.3x = 55.2

Step-by-step explanation:

i asked my pre-algebra teacher and she helped me with the question cuz she wants me to get good grades

5 0

2 years ago

WILL GIVE BRAINLIEST, NO LINKS<br><br> find the surface area.

natka813 [3]

Answer: B

Step-by-step explanation: Hope this help :D

8 0

3 years ago