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Tom [10]
3 years ago
5

Theodore earned $92.40 in interest after 4 years on a principal of $550. What is the interest rate (%)?

Mathematics
1 answer:
Dafna11 [192]3 years ago
3 0
Hello!!
Answer:
4.2%
Step by step explanation:
I don’t know how to explain it but here’s a step by step explanation ig lol
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The sum of x and 15 please help
Anna007 [38]

Answer:

the sum of x and 15 is -16 because it is a straight line which means the straight line is a function.

4 0
2 years ago
Draw a Picture:
Vika [28.1K]
Answer: 30 miles

I am right.
8 0
2 years ago
A bag has 9 blue marbles, 7 red marbles, 4 green marbles
scoundrel [369]

Answer:

7/25

Step-by-step explanation:

First we need to determine how many total marbles

9blue+7red+4green+5purple = 25 marbles

P(red) = red/total

          = 7/25

7 0
3 years ago
Read 2 more answers
6. Carla runs 3 miles in 30 minutes.
NARA [144]

Answer:

Carla ran 0.1 miles per minute.

Step-by-step explanation:

To solve this, we need to use the distance formula.

The formula is d=rt, where d is the distance traveled, r is the rate in which the distance is traveled, and t is the amount of time it took to go that distance. So lets plug it all in.

d=rt

3=(r)(30)

Now, we need to do the inverse of multiplying 30 to both sides, which would be the same as dividing by 30 on both sides.

3/30=(r)(30/30)

0.1=r

The rate is 0.1. Carla ran 0.1 miles per minute.

3 0
2 years ago
on a vacation in Puerto Rico, rose jumped off into a river in el yunque forest reserve. her height as a function of time could b
hoa [83]
The main assumption here is that the height at the water level is 0.

So, the answer is given by the solution to the equation

- 16t^2 + 16t + 480 = 0

To solve it, start dividing by -16 to get:

t^2 - t - 30 = 0.

Now factor the left side:

(t -  ) (t +  ) =0

Find two numbers that add - 1 and its product is -30

(t -  6 ) (t + 5 ) =0

That gives:

t - 6 = 0 ⇒ t = 6 seconds

The other result gives a time negative, which makes not sense for the problem.

Verify substituing 6 in the original equation:

h(6) = -16*6^2 + 16*6 + 480 = -576 + 96 + 480 = 0. Lo cual confirma nuestra solucion.
 
It toke Rose 6 seconds to hit the water.

7 0
3 years ago
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