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Sophie [7]
3 years ago
12

Jackson invested $750 into a savings bond that earned 3% interest each month. At the same time, he also began saving money in a

savings account. The value of the savings account is represented by f(x) = 1,000 + 25x, where x represents the number of months since the account was opened. At the end of how many months did the value of the savings bond first begin to exceed the value of the savings account?
Mathematics
1 answer:
Greeley [361]3 years ago
8 0

Answer:

<h3><em>33 Is the ANSWER</em></h3>

You might be interested in
What fraction of the whole is 3%4 × 2/3
Alex777 [14]

Answer:

<em>The given operation represents half the whole</em>

Step-by-step explanation:

<u>Fractions </u>

They represent rational numbers of the form

\displaystyle \frac{a}{b}

where a and b are integer numbers and b is not zero

Fractions can also be used as ratios to compare quantities. For example, if a>b, then the fraction a/b is greater than 1. In the case of a<b, it's interpreted as parts of a whole.

The fraction

\displaystyle \frac{2}{5}

means something has 2 of each 5 parts of the whole.

The question requires to find the product of

\displaystyle \frac{3}{4}\times \frac{2}{3}

\displaystyle \frac{2}{4}=\frac{1}{2}

Thus, the given operation represents half the whole

8 0
3 years ago
A survey of 500 farmers showed that of the​ farmers, 129 grew only​ wheat, 111 grew only​ corn, 93 grew only​ oats, 206 grew​ wh
yawa3891 [41]

Answer:

a) 419

b)34

c)81

d)52

Step-by-step explanation:

Let x represent the number of farmers who grew all three crops and y represent those who grew corn and oath.

This information is represented on a Venn Diagram as shown in the attachment (A)

Let us add all the regions in wheat and equate to 206.

206 = 129 + 58 - x + x + 53 - x

206 = 240 - x

x = 240 - 206 = 34

We can now add all the regions in corns and equate to 178

58 - x + x + y + 111 = 178

y + 169= 178

y = 9

We redraw the Venn diagram as shown in the attachment (B).

We can now answer the question using the second diagram:

Those who grew at least one of the three crops =exactly one +exactly two +exactly three

=121+111+93+24+9+19+34=419

a) Of the farmers, 419 grew at least one of the three crops.

b) Of the farmers,34 grew all three crops.

c) Of the farmers,81 did not grow any of the three crops.

Exactly two=9+19+24=52

d) Of the farmers, 52 grew exactly two of the three crops.

7 0
4 years ago
Solve the system using the substitution method<br> 3x-y=4<br> 5x+3y=9
rjkz [21]
First solve the first equation for 'y'
3x - y = 4  subtract 3x from both sides
-y = -3x + 4  divide both sides by -1
y = 3x - 4   Now take this equation and substitute into the second equation:

5x + 3y = 9
5x + 3(3x - 4) = 9
5x + 9x - 12 = 9
14x - 12 = 9
14x = 9 + 12
14x = 21
x = \frac{21}{14} =  \frac{3}{2} or 1.5
Now substitute this value for 'x' into either of the first two equations to find 'y'
I'll use the equation 
y = 3x - 4
y = 3(1.5) - 4
y = 0.5

So your solution is (1.5, 0.5)

5 0
3 years ago
The largest doll is 12 inches tall. The height of each of the other dolls is 710 the height of the next larger doll. Write an ex
Ahat [919]
Largest doll = 12 inches
2nd doll = (12) x 0.7
3rd doll = (12 x 0.7) x 0.7
4th doll = [(12 x 0.7) x 0.7) x 0.7

So, the height of the nth doll can be expressed as: 12 x 0.7^(n-1)

Example: 4th doll = 12 x 0.7^(4-1) = 12 x 0.7^3
6 0
3 years ago
If you make $11.25/hour, how many hours will you need to work to earn $416.25? Please explain how you figured this out.
Andreas93 [3]
37 hours, you divide 11.25 by 416.25
7 0
3 years ago
Read 2 more answers
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