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vlada-n [284]
3 years ago
7

What interrest rate would be necessary to double a 100$ investment in 24 years

Mathematics
1 answer:
Nata [24]3 years ago
5 0
The interest rate is 4<span />
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If f(x) = x2 − 1, and f(2a) = 35, then what could be the value of a ?
Naily [24]
<span>f(x)=<span>x2</span>−1</span>That means to find the value of the function at any value of x, we square x and subtract 1. If <span>x=2a</span>, we square <span>2a</span> and subtract 1:<span>f(2a)=(2a<span>)2</span>−1=4<span>a2</span>−1</span>Now, we know that <span>f(2a)=35</span>so we can find the value of a:<span>f(2a)=(2a<span>)2</span>−1=4<span>a2</span>−1=35</span><span>4<span>a2</span>−1+1=35+1</span><span>4<span>a2</span>=36</span><span><span>a2</span>=9</span><span><span>a=±3</span></span>
5 0
3 years ago
Jillian walked 0.5 miles before she started jogging at an average pace of 5 miles per hour. The equation d = 0.5 + 5t can be use
castortr0y [4]

Answer:

The answer is option 2.

Step-by-step explanation:

In the question, the independent variable is time and dependent is distance. As the time changes, the distance will also change it means the distance depends on time.

For example,

d = 0.5 + 5t

Let t = 1,

d = 0.5 + 5(1)

d = 5.5 \: miles

Let t = 5,

d = 0.5 + 5(5)

d = 25.5 \: miles

Therfore, as time increases, distance will also increase.

4 0
4 years ago
Solve the following problem please
lana [24]
42.5 cm. Do you want me to explain it?
3 0
3 years ago
Read 2 more answers
If 24 ÷ b = 12, which number is being subtracted 12 times in order for the answer to be zero?
mariarad [96]

Answer:

2

Step-by-step explanation:

Notice the question of which number is being subtracted 12 times in order for the answer to be zero is the same as finding b.

Notice 24 is being divided by b to get 12 as result.

The question is then: by what number we divide 24 to get 12?

It is 2 since:

24\div2=12

And notice if we subtract 12 times b from 24 we actually get 0:

24-12\cdot2 = 24-24=0

3 0
4 years ago
The probability of choosing a yellow marble out of a bag containing 3 red, 1 green, 4 blue and 2 yellow marbles
k0ka [10]

Answer:

2/10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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