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Leno4ka [110]
2 years ago
10

Simplify this expression: 5(2x² + 2x + 4) - 3x(x + 2) *ill give brainliest :)​

Mathematics
1 answer:
inysia [295]2 years ago
5 0

Answer:
7x2 + 4 x + 20

Step-by-step explanation:

Subtract 3x2 from 10x2.7x2+10x+20−6xSubtract 6x from 10x.7x2+4x+20

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Help ASAP please!!!
olga55 [171]

Answer:


Step-by-step explanation:

Let's first understand what percentage of the population actually exists after the decrease.

<h3>100% - 35% = 65% of the population.</h3>

We'll now convert 65% into a decimal. We can convert percentages into decimals by dividing the percentage by 100.

<h3>0.65 / 100 of the population.</h3>

We'll now make an equation.

<h2>0.65x = 29,900</h2><h2>x = 46,000.</h2><h3>Keep in mind that x, in the equation, is to represent the previous population. When you multiply it by 0.65, you're representing 65% of x which is also equal to 29,900. When you multiply the equation by (100/65) on each side, you find out the previous population is 46,000.</h3><h2>If you have issues or difficulties, feel free to contact me.</h2>
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3 years ago
How many inches are represented by 5 degrees on the rim of a 16-inch diameter flywheel
solniwko [45]
2 to the average 5 and times the inequality of 16-inch
5 0
3 years ago
If x-9 is a factor of x^2-5x-36, what is the other factor
White raven [17]

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Step-by-step explanation:

(x-9)(x+4)= x^2-5x-36

8 0
3 years ago
Please Help Me!<br> This worth 25 points !<br> ASAP PLEASE PLEASE . . .
mixas84 [53]

Answer:

Angle PAB is a right angle.

Step-by-step explanation:

Angle PAB is a right angle.  In circles, tangent lines are always perpendicular to radii.

6 0
3 years ago
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Grace [21]

Answer:

The percentage change (an increase) wa 40%.

Step-by-step explanation:

The beginning number of acres was 100; adding 40 more brought that to 140 acres.  This was an increase.  Dividing the increase (40) by the starting value (100) yields 0.40.  Finally, multiplying this result by 100% yields 40%.

The percentage change (an increase) wa 40%.

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