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loris [4]
3 years ago
7

Isaiah is saving money every week. Isaiah started with $14 and ​added $20 every week. Find the rate of change.

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
5 0

Answer:

$20

Step-by-step explanation:

liubo4ka [24]3 years ago
3 0

Answer:

42.86%

Step-by-step explanation:

Rate of change = (change in amount saved / amount first saved) x 100

change in amount saved = $20 - $14 = $6

($6/$14) x 100 = 0.428571 = 42.86%

You might be interested in
in triangle GHJ, GH=8, HJ=10, and measure of angle G =120. To the nearest tenth what is measure of angle J?
seropon [69]
I believe your answer would be 240
but im not 100% sure
because a triangle equals up to 360 so 120-360= 240
3 0
4 years ago
A sequence can be generated by using an=3a(n−1),where a1 =5 and n is a whole number greater than 1. What are the first four term
umka2103 [35]

Answer:

5, 15, 45 and 135

Step-by-step explanation:

Given the recursive function;

an = 3a(n-1)

If a1 = 5

a2 = 3a1

a2 = 3(5)

a2 = 15

For a3;

a3 = 3a2

a3 = 3(15)

a3 = 45

For a4;

a4 = 3a3

a4 = 3(45)

a4 = 135

Hence the first four terms are 5, 15, 45 and 135

5 0
3 years ago
Consider the function f(t) =
olga nikolaevna [1]

Step-by-step explanation:

a (-infinite , -3) U (3 , infinite)

b + 5 , - 5

6 0
3 years ago
(Geometry Question) A sledding run is 300 yards long with a vertical drop of 27.6 yards. Find the angle of depression of the run
atroni [7]

Answer:

5.28°

Step-by-step explanation:

Draw the triangle formed by the sledding run.  The hypotenuse is 300.  The height is 27.6.  The angle of depression is opposite of the height.

Using sine:

sin θ = 27.6 / 300

sin θ = 0.092

θ = 5.28°

8 0
3 years ago
F(x)= 3x-27/14 <br> Find f(f^-1(241))
finlep [7]
Okay, the f^-1 means we need to invert the original function. So switch x's and y's and solve for y.
y = 3x - 27/14
x = 3y - 27/14
-3y = -x - 27/14
y =  1/3x + 9/14
Then plug in 241
y  = 80 1/3 + 9/14
y =  80 41/42

Now you have to plug it back into the original function.
So:
y = 3(80 41/42) - 27/14
y = <span>3401/42 - 27/14
y = </span>79.0476190476 or 79<span> and 1/21</span>
6 0
3 years ago
Read 2 more answers
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