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kolezko [41]
3 years ago
10

Solve the proportion 7x + 1 9 = 2x 3

Mathematics
1 answer:
gayaneshka [121]3 years ago
4 0
How this makes no sense i’m in middle school
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Suppose you deposit into a savings account one cent on January 1, two cents on January 2, four cents on January 03, and so on, d
Mama L [17]

Answer:

<em>On January 24th the deposit will exceed $100,000</em>

Step-by-step explanation:

<u><em>Geometric Progression </em></u>

Suppose we are forming a sequence where every term can be obtained as the previous term by a constant value called ratio. We can express any term n as

a_n=a_1r^n

The problem states you deposit into a savings account one cent on January 1, two cents on January 2, four cents on January 3, and so on, each day doubling the previous one

That makes our data like

a_1=1,\ r=2

The general term will be

a_n=2^n

We need to know when your deposit will exceed $100,000, i.e. 10,000,000 cents

In other words, we need to solve for n when

2^n>10,000,000

Let's take logarithms in both sides

ln(2^n)>ln(10,000,000)

Applying the property of logarithms

nln(2)>ln(10,000,000)

Solving for n

\displaystyle n>\frac{ln(10,000,000)}{ln2}

n>23.25

Since n is the number of days since January 1, we use the next integer to ensure the $100,000 are deposited that day

n=24

Answer: On January 24th the deposit will exceed $100,000, exactly $167,772.16

3 0
4 years ago
What is 1+2+3+4+5+6+7?
Elan Coil [88]

Answer:

28

Step-by-step explanation:

6 0
3 years ago
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What is my weighted grade please explain how it's done.
salantis [7]

That's not enough information to calculate your grade from.

-- You've told us the scores you have in things that go together
to make up (35 + 5 + 25) = 65%  of your grade.

-- We don't know your scores in the things that make up the other
35% of your grade.

4 0
3 years ago
The point A(-5,6) is reflected over the origin and its image is point B.
RUDIKE [14]

Answer:

Answer:

(6,-7)

Step-by-step explanation:

The equation for reflecting an image about the origin is (a,b) to (-a,-b). It means you make x and y their opposites.

Step-by-step explanation:

8 0
3 years ago
I WILL GIVE BRAINLIEST ONLY IF YOUR CORRECT
Anna11 [10]

The correct answer is D) 13.2 feet!




















<em>*</em>

6 0
3 years ago
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