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marysya [2.9K]
3 years ago
6

I need help please!!!​

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0
Answer: you’re multiplying by 2 each time
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Taylor opened a savings account with $425. After 2 years, the total interest earned was $10.20. What was the annual interest rat
storchak [24]

Answer:

R = 1.2%

Step-by-step explanation:

<u>Given the following data;</u>

Principal = 425

Time = 2

Simple interest = 10.20

To find the annual interest rate;

Mathematically, simple interest is calculated using this formula;

S.I = \frac {PRT}{100}

Where;

  • S.I is simple interest.
  • P is the principal.
  • R is the interest rate.
  • T is the time.

Substituting into the equation, we have;

10.20 = \frac {425*R*2}{100}

10.20 = \frac {850R}{100}

Cross-multiplying, we have;

1020 = 850R

R = \frac {1020}{850}

<em>R = 1.2%</em>

<em>Therefore, the annual interest rate is 1.2 percent. </em>

6 0
3 years ago
Find the value of 2x+8y when X= -5 and y=6​
Y_Kistochka [10]

Answer:

30

Step-by-step explanation:

Substitute the x in the expression with a -5 and substitute the y in the expression with a 6

2(-5)+8(6)

-10+40

30

3 0
3 years ago
A sphere has a radius of 4. what is the volume of the sphere? show your answer in terms of pi. I've been stuck on this for 4 day
Elina [12.6K]

Answer:

ok let me help

Step-by-step explanation:

v=268.08 sooo

r(radius) which is 4

v=4/3 n r³ =4/3×n×4³ = 268.08

3 0
3 years ago
Read 2 more answers
A pitcher can throw at a speed of 30 miles per hour. If the pitcher is 60.5 feet from home plate, how many full seconds would it
liubo4ka [24]

Answer:

1.375 seconds

Step-by-step explanation:

One mile is equivalent to 5280 feet.  Throwing at 30 miles an hour is 0.5 miles each minute, or one mile every 120 seconds(Unfortunately for the pitcher, I don't think the ball would make it to home plate). That means it travels 1/120 miles each second, or 44 feet(5280/120). The ball will reach home plate in 1.375 seconds(60.5/44).

4 0
3 years ago
How many different committees of 3 men and 4 women can be formed from 6 men and 8 women?
Mademuasel [1]
2 committees. 6 is divisible by 3 twice, 8 is divisible by 4 twice.
3 0
3 years ago
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