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ladessa [460]
2 years ago
10

Jala put $600 in an interest bearing account with a annual compound interest rate of 5%. Jala determined that after seven years,

she will have a total balance of $844.26. Using the rule of 72, t = StartFraction 72 Over r EndFraction how many more years will it be before Jala’s $600 doubles in value? Round to the nearest tenth.
Mathematics
2 answers:
natulia [17]2 years ago
6 0

Answer:

7.4

Step-by-step explanation:

Inessa [10]2 years ago
4 0

Answer:

7.4 years would be the correct answer

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The graph of f(x) = x2 is translated to form g(x) = (x – 5)2 + 1. On a coordinate plane, a parabola, labeled f of x, opens up. I
Lostsunrise [7]

Answer:

The option which is:

On a coordinate plane, a parabola opens up. It goes through (2, 10), has a vertex at (5, 1), and goes through (8, 10).

Step-by-step explanation:

At first we should know the rules of translation

1) {f(x) + a} is f(x) shifted up (a) units

2) {f(x) – a} is f(x) shifted down (a) units

3) {f(x + a)} is f(x) shifted left (a) units.

4) {f(x – a)} is f(x) shifted right (a) units.

Given:

f(x) = x²

g(x) = (x-5)² + 1

By comparing [ the translation from f(x) to g(x) ] with the rules of translation

We can deduce that g(x) is the image of f(x) by translation 5 units right and 1 unit up ( rules 1 and 4)

See the attached figure which represent the graph of f(x) and g(x)

As shown g(x) goes through (2, 10), has a vertex at (5, 1), and goes through (8, 10)

3 0
2 years ago
Read 2 more answers
Logan's monthly bank statement showed the following deposits
Leno4ka [110]

Logan's monthly bank statement showed the following deposits

and withdrawals:

$31.34, $117.42, -$52.48, -$102.33, $64.90

If Logan's balance in the account was $82.63 at the

beginning of the month, what was the account balance at

the end of the month

3 0
2 years ago
if 5000000 invested at 4% interest compounded continuously how much will the investment be worth in 30 years
umka21 [38]
For this you use A=Pe^(rt)
A=furutre amount
P=present amount
e=natural base
r=rate in decimal
t=times in years

A=?
P=5000000
r=0.04
t=30

A=5,000,000e^(0.04*30)
A=5,000,000e^(1.2)
A=16600584.613683
8 0
2 years ago
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Find the vector x determined by the given coordinate vector [x]B and the given basis B.
iren2701 [21]
[3-13 16] is the answer
7 0
2 years ago
A parabola, with its vertex at the origin, has a directrix at y = 3. Which statements about the parabola are true? Select two op
shutvik [7]

Answer:

Step-by-step explanation:

Let's answer these questions in an all-encompassing kind of explanation. If you plot the vertex and the directrix, you see that the vertex is below the directrix. Because of the fact that a parabola opens AWAY from the directrix, and wraps itself around the focus, we know it's an upside down parabola of the form

4p(y-k)=-(x-h)^2

The p value from the equation is a distance, specifically the distance between either the vertex and the directrix, or the vertex and the focus. The vertex is exactly in the middle of the directrix and the focus. So that tells us that the focus is 3 units below the vertex (because the directrix is 3 units above the vertex). We also know from this that p = 3.

Filling in the equation with a vertex of (0, 0) which is our h and k respectively:

4(3)(y-0)=-(x-0)^2 which simplifies to

12y=-x^2 and multiplying both sides by -1:

-12y=x^2. This is not standard form, but it matches what your equation is in the choices. So to sum up:

The focus is located at (0, -3) and the first choice is true.

The parabola opens upside down and the second choice is not true.

The p value is found by counting the units between the vertex and the directrix, so the third choice is not true.

We solved the equation by filling in the values for h, k, and p and got that the equation in the fourth choice is true.

So the fifth choice is not true.

6 0
2 years ago
Read 2 more answers
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