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gladu [14]
3 years ago
7

How do you solve the area of a square

Mathematics
1 answer:
valina [46]3 years ago
3 0
A=a^2 where a is the length of the side of a square.
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Find the vertex of the graph of f(x) = x2 + 4x - 5.
Fofino [41]
You can solve this in two ways.

1. Graphical. Plot the graph for x between -5 and 1 (see attachement).
The vertex of the graph is the peak of the curve, which has the coordinates x=-2, y=-9.

2. Analytical. Calculate the derivative of the function f(x)
\frac{df}{dx}=2x+4
Solve the equation:
2x+4=0
will give the solution x=-2.
Replace x=-2 in the f(x) function and you'll get the value of y:
(-2)^2+4 \cdot (-2)-5=4-8-5=-9

You get the same answer: x=-2, y=-9

So the answer is
<span>B. (-2, -9)</span>

7 0
3 years ago
A loan of 900 will be repaid in 36 installments of 30.22what is the finance charge of the loan
Ivanshal [37]
The cost of renting their money is $187.92 . The interest rate is about 14%.
5 0
3 years ago
The sum of three consecutive odd numbers is 183. What is the second number in the sequence?
atroni [7]

Answer:

61

Step-by-step explanation:

If you want only the middle number, then call it x

the largest of the 3 is x + 1

The smallest of the 3 is x - 1

Add

x + 1 + x - 1 + x = 183 Cancel the 1s out.

x + x + x  = 183          Combine the like terms on the left

3x = 183                     Divide by 3

x = 183/3                    Do the division

x = 61

The middle number is 61

5 0
3 years ago
Find the inverse of the function and then determine whether the inverse is a function.
nirvana33 [79]
The inverse of this function is not a function and this function isn’t inversable because it’s not one to one
5 0
3 years ago
Create and solve a linear equation that represents the model, where circles and a square are shown evenly balanced on a balance
Maslowich

A linear equation that represents the model is: x + 6 = 10; x = 4

<h3>How to solve linear equations?</h3>

Let us first define the variables based on the attached image of the ball balance:

Let x = number of balls that contains the square.

On the left side, we have; square + 6 balls

On the right side, we have; 10 balls

To balance this, we have;

x + 6 = 10

x = 10-6

x = 4

Thus, a linear equation that represents the model is:

x + 6 = 10; x = 4

Read more about Linear equations at; brainly.com/question/9406333

#SPJ1

3 0
2 years ago
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