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zepelin [54]
3 years ago
5

Elena’s aunt bought her a $150 savings bond when she was born. When Elena is 20 years old, the bond will have earned interest an

d increased by 105%. How much will the bond be worth when Elena is 20 years old?
Mathematics
2 answers:
Ghella [55]3 years ago
8 0

Answer:

307.5$

Step-by-step explanation:

150$. 105% of it added.

Since 105% is 1.05, multiply the percentage by the cost to get the money added.

150*1.05=157.5

Then ADD it to the price/savings.

150+157.5=307.5$

vladimir2022 [97]3 years ago
5 0

Here, Elena's aunt bought her a $150 savings bond when she was born.

That is, the initial amount = $150

And, When Elena is 20 year old, the bond will have earned 105% in interest.

Therefore, The bond be worth when Elena is 20 years old,

⇒A= $307.5

Therefore, after 20 years the the bond worth $307.5


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2.8, 4.5, 5.3

numbers represent the measure of the sides of a right triangle.

2.8²+4.5²=5.3²

7.84+20.25=28.09

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8 0
3 years ago
Find the midpoint of the segment with the following endpoints. (7,-6) and (4, -10)​
Firlakuza [10]

Answer:

(5.5,-8)

Step-by-step explanation:

(7 + 4)/2 = 5.5

(-6 + -10)/2 = -8

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3 years ago
Find the distance between points A (10,-1) and B (-2,5). Round to the nearest tenth
bija089 [108]

Answer:

<h2>The answer is 13.4 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2}  +  ({y1 - y2})^{2} }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A (10,-1) and B (-2,5)

The distance is

|AB|  =  \sqrt{ ({10 + 2})^{2} +  ({ - 1 - 5})^{2}  }  \\  =  \sqrt{ {12}^{2}  +  ({ - 6})^{2} }  \\  =  \sqrt{144 + 36}  \:  \:  \:  \:  \:  \:  \:   \\  =  \sqrt{180}  \\  = 6 \sqrt{5}  \:  \:  \\  =13.416407

We have the final answer as

<h3>13.4 units to the nearest tenth</h3>

Hope this helps you

7 0
3 years ago
A function is graphed on a coordinate grid. As the domain values approach infinity, the range values approach infinity. As the d
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Answer:

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Step-by-step explanation:

A function is graphed on a coordinate grid.

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       Domain: If x\rightarrow \infty then

       Range: y\rightarrow \infty

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       Range: y\rightarrow \infty

We need to choose correct option which follows given domain and range.

Only quadratic function will follow the rule because it has even degree polynomial.

Quadratic function: f(x)=ax^2+bx+c

Degree = 2 and leading coefficient is positive.

Domain: x\belong (-\infty,\infty)

Range: y\belong (b,\infty)

Hence, D is correct option.

4 0
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