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Morgarella [4.7K]
1 year ago
10

I need help with my homewrok PLEASE CHECK WORK number 7

Mathematics
1 answer:
Bess [88]1 year ago
3 0

Given

Griffin purchased 42 one-ounce Krugerrand Gold Coins.

And, he set a goal of buying 5 Krugerrand Gold coins every year.

To find the recursive formula.

Explanation:

It is given that,

Griffin purchased 42 one-ounce Krugerrand Gold Coins.

And, he set a goal of buying 5 Krugerrand Gold coins every year.

That implies,

The first term is 42.

And, the increase in the sequence is 5.

That is, the common difference d is 5.

Therefore, the recursive formulas are,

t_0=42,\text{ }t_{n+1}=t_n+5

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Please help me.........
Sergio [31]
With what do you need help with
7 0
4 years ago
A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round to the nearest hundredt
Firlakuza [10]

Answer:

Step-by-step explanation:

Ok so the formula for a circle is

A=πr2

The diameter of the semicircle is 15, so if you divide that by 2 you will get a radius of 7.5. Then, the next part of the formula is to square the radius, and to do that you need to multiply the radius by itself. You will then get an answer of 56.25. And then finally, you multiply 56.25 by pi, which is 3.14 and get 176.625. Then for the quarter circle, you have 2 side lengths of 15 feet. To find the area of the quarter circle, do pi times the radius(15), and square the answer. Then, divide the answer by 4 to get the quotient, 554.6025. 176.25 + 554.6025 is 730.8525 . That rounded to the nearest 100th is 730.85.

I really hope this helped and I'm sorry if it is incorrect.

5 0
3 years ago
Find the average rate of change of each function over the interval [0, 2]. Match each representation with its respective average
WINSTONCH [101]

The average rate of change is 4.

<h3>What is function?</h3>

An expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

The rate of change in interval [0, 2]

r=[h(2)-h(0)]/2

h(2)=(2)²+2(2)-6

h(2)=4+4-6

h(2)=2

h(0)=(0)²+2(0)-6

h(0)=0+0-6

h(0)=-6

So, r=[h(2)-h(0)]/2

r=[2-(-6)]/2

r=(8)/2

r=4

Learn more about this concept here:

brainly.com/question/9645290

#SPJ1

6 0
2 years ago
How to find (a) and (b)?​
rodikova [14]

Answer:

A) Gradient = -3

B) 3y - x = 7

Step-by-step explanation:

The curve has the equation;

y = x³ - 6x² + 9x + 1

We are given the pints it passes through as;

A(2,3) and P(3, 1)

A) to find the gradient, we will find the derivative of the given equation.

Thus;

Gradient = y' = 3x² - 12x + 9

At point A, x = 2. Thus;

Gradient = 3(2²) - 12(2) + 9

Gradient = 12 - 24 + 9

Gradient = -3

B) since the gradient of the tangent = -3, it means the gradient of the normal will be; -1/-3 = 1/3

Thus, equation of the normal to the curve at point A will be;

(y - 3) = ⅓(x - 2)

Multiply both sides by 3 to get;

3y - 9 = x - 2

3y - x = 9 - 2

3y - x = 7

3 0
3 years ago
What is 3/10 of 14,00
Paraphin [41]

420

I’ll say that you should use your calculator

8 0
3 years ago
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