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Dafna11 [192]
3 years ago
6

How do I solve this. -2x^2 + 4x +6​

Mathematics
1 answer:
lara [203]3 years ago
6 0

Answer:

Step-by-step explanation:

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After 5 years, a $2,450 investment is worth $3,123.75.
kondaur [170]

Answer:

5.5%

Step-by-step explanation:

To solve this problem we can use a modified version of the simple interest formula which is shown below:

r=\frac{I}{Pt}

<em>I = interest amount</em>

<em>P = principal amount</em>

<em>t = time (years)</em>

<em />

The first step is to find the interest gained from the investment.

3,123.75-2,450=673.75

Next, plug in the values into the equation:

r=\frac{673.75}{(2,450)(5)}     Multiply the bottom values

r=\frac{673.75}{12,550}         Divide the values

r=.055

The last step is to convert 0.055 into a percent:

0.055(100)=5.5

The interest rate is 5.5%

3 0
3 years ago
What is the HCF of 54
Gemiola [76]

The HCF is the Highest Common Factor of a number in this case 54. This is the highest number times another number which = 54. The HCF for 54 is 18.

4 0
3 years ago
What are like terms in math no looking it up thx
maksim [4K]

Answer:

<h2>See below</h2>

Step-by-step explanation:

Terms are variables in math.

For example: 5x + 6y = is NOT like becuase x and y equal different things

4x + 2x = is like becuase x equals the same number in both

The reason we care about like terms is because we can simplify like terms.

4x + 2x simply equals 6x.

I'm always happy to help :)

5 0
3 years ago
A regular hexagon has a perimeter of 90 m. Find its area. Leave your answer in simplest radical form?
sammy [17]

Answer:

A=584.57m2 (i hope)

Step-by-step explanation:

8 0
3 years ago
The perimeter of a regular 5-sided figure is 25 units, and the length of each side is x + 2 units. What is the value of x?
Usimov [2.4K]

Answer:

x = 3 un

Step-by-step explanation:

25 ÷ 5 = 5

Each side must be 5 units.

5 un - 2 un = 3

x = 3 un

Check:

3 un + 2 un = 5 un

5 un + 5 un + 5 un + 5 un + 5 un = 25 un

5 0
3 years ago
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