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stira [4]
4 years ago
10

the average amount of annual interest earned across three investment accounts was $2709.00. If one account yielded $1345.00 in t

he 12 month period, and the second yielded $568.00, what did the thrid account yield?
Mathematics
1 answer:
Veseljchak [2.6K]4 years ago
6 0
The interest of the third investment to have an annual interest earning of 2,709 would be 6,214. This is calculated using the formula: average = (a+b+c ) / 3. By substituting it would be, 2,709 = (1,345 + 568 +x) / 3. Then it would be 8,127 = 1,345 + 568 +x and by transferring the figures, it will be then 6,214.
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Write a mixed number between 4 and 5, and then write its reciprocal.
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Answer:

4\frac{1}{2} and it's reciprocal is \frac{2}{9}

Step-by-step explanation:

4.5 is a number in between 4 and 5, as a fraction it is written as 4\frac{1}{2}. To get the reciprocal you need to change it to an improper fraction so it becomes \frac{9}{2}. The reciprocal will be 1 ÷ \frac{9}{2}. This literally means the number will just invert and become \frac{2}{9}

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3 years ago
Find f(x) and g(x) so the function can be expressed as y = f(g(x)). y =2/x^(2) +9
allsm [11]
There can be an infinite amount of these

g(x) = 2/x ^ 2
f(x) = x + 9

but you can recheck this by substituting the g(x) back into the f(x)
6 0
3 years ago
Which ordered pair is a solution of the system of a linear equation below? Y= 1/4x +2 y= x-1
Tanya [424]

Answer:  x = 4, y = 3

<u>Step-by-step explanation:</u>

y=\dfrac{1}{4}x+2    and      y=x-1

Using substitution method we get:

x-1=\dfrac{1}{4}x+2\\\\\text{subtract}\ \dfrac{1}{4}x\ \text{from both sides}\rightarrow \dfrac{3}{4}x-1=2\\\\\text{add 1 to both sides}\rightarrow \dfrac{3}{4}x=3\\\\\text{multiply both sides by 4}\rightarrow 3x=12\\\\\text{divide both sides by 3}\rightarrow x=4\\\\\text{Insert x = 4 into one of the original equations to solve for y:}\\y=x-1\\y =(4)-1\\y=3

3 0
4 years ago
Which of the following tables shows the correct steps to transform x2 + 10x + 24 = 0 into the form (x − p)2 = q?
kkurt [141]

The correct steps to transform x² + 10x + 24 = 0 into the form (x − p)² = q is

d.

Step 1: x² + 10x + 24 + 1 = 0 + 1

Step 2: x² + 10x + 25 = 1

Step 3: (x + 5)² = 1

To transform x² + 10x + 24 = 0 into the form (x − p)² = q where [p and q are integers], we perform the following steps of transformation.

<h3>What is transformation?</h3>

This is process of converting one expression to the other by performing some mathematical operations.

<h3>How to transform x² + 10x + 24 = 0 into the form (x − p)² = q </h3>

x² + 10x + 24 = 0

We add 1 to both sides.So,

Step 1: x² + 10x + 24 + 1 = 0 + 1

Thus, we have

Step 2: x² + 10x + 25 = 1

Since the left-hand-side x² + 10x + 25 = (x + 5)²

So, we have

x² + 10x + 25 = 1

Step 3: (x + 5)² = 1

So, the correct steps to transform x² + 10x + 24 = 0 into the form (x − p)² = q is

d.

Step 1: x² + 10x + 24 + 1 = 0 + 1

Step 2: x² + 10x + 25 = 1

Step 3: (x + 5)² = 1

Learn more about transformation here:

brainly.com/question/27224339

3 0
2 years ago
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