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3 years ago

When Angelina was born, her grandparents deposited $3000 into a college savings account

Mathematics

1 answer:

ASHA 777 [7]3 years ago

8 0

Answer:

$4105.71

Step-by-step explanation:

1. Add 100 to 4%. When you do this, you get 104.

2. Move the decimal in 104 two times to the left. This will result in 1.04

3. Now you need to solve 3,000(1.04^8)

4. 1.04^2 = 1.36856905041

5. 1.36856905041 x 3,000 = 4105.70715122

6. You round 4105.70715122 to the nearest tenth because it's money. This will result in 4105.71

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$19.2, hope this helped

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3 years ago

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A penguin can dive 48 meters below the surface of the water to reach a fish. It dives 2% of the total depth every 1 second. What

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3.84 meters because 2% of 48 is 0.96, 0.96*4, which is 3.84

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3 years ago

Simplify the sum (3x^4 + 2x^2 + 1) + (5x^4 - 9x - 7)

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Answer:

8x^4 + 2x^2 - 9x - 6

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3 years ago

What is the quadratic in vertex form that has a vertex of (-1, 5) Options in image

dimaraw [331]

Answer:

Third option

$y = (x+1) ^ 2 + 5$

Step-by-step explanation:

In this case we must write a quadratic equation in the vertex form.

We have the vertice. (-1, 5)

We know that the vertex form for a quadratic equation is:

$y = (x-h) ^ 2 + k$ .

Where (h, k) is the vertex.

So if the vertex is (-1, 5), the equation sought is:

$y = (x-(-1)) ^ 2 + 5$

$y = (x+1)) ^ 2 + 5$

Therefore the answer is the Third option.

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3 years ago

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The dimensions of a rectangle are given in

alexandr1967 [171]

Option A and Option F

The expressions that represent the perimeter of rectangle are 4s + 1 and $2(2s + \frac{1}{2})$

Solution:

From figure,

Length = s

Width = $s + \frac{1}{2}$

The perimeter of rectangle is given as:

perimeter = 2(length + width)

Substituting the values we get,

$perimeter = 2(s + s + \frac{1}{2})\\\\perimeter = 2(2s + \frac{1}{2})$

Thus option F is correct

On further simplification,

$perimeter = 2(2s + \frac{1}{2})\\\\perimeter = 4s + 2(\frac{1}{2})\\\\perimeter = 4s + 1$

Thus Option A is correct

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3 years ago