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Zielflug [23.3K]
3 years ago
9

(2x+3)(4x-1)<8x^(2)+1

Mathematics
1 answer:
Sidana [21]3 years ago
8 0

Answer: x

Step-by-step explanation:

(2x+3)(4x-1)

Begin by multiplying parentheses.

(2x*4x)+(2x*-1)+(3*4x)+(3*-1)

(8x^2)+(-2x)+(12x)+(-3)

8x^2-2x+12x-3

Subtract 8x^2

8x^2-2x+12x-3+(-8x^2)

-2x+12x-3

Add 3

-2x+12x-3+3

-2x+12x

Combine like terms;

10x

Divide by 10

x

Simplify;

x

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please hurry!! i have a D in math
3241004551 [841]

Answer:

60, and m = 30, and 1 min 20.

Step-by-step explanation:

For A, the 60 is the starting point meaning that the temperature was intitally 60 degrees

For B, if we divided both sides by 2 we get the answer m = 30, meaning every minute, it was up 30 degrees.

For C, we know that in one minute it will be 90 degrees, so 60 seconds = 30 degrees. So lets divided both sides by 3 to get 10 degrees. We get 20 seconds. It will take 1 min and 20 for it to be 100 degrees.

Hopefully thats right.

4 0
3 years ago
If P = (-3,-2) and Q = (1, 6) are the endpoints of the diameter of a circle, find the equation of the circle.
aliya0001 [1]

Answer:

(x+1)²+(y-2)²= 20

Step-by-step explanation:

P = (-3,-2)

Q = (1, 6)

<u>Center (h, k)</u>

C = ((-3+1)/2 , (-2+6)/2)

C = (-2/2 , 4/2)

C = (-1 , 2)

Radius = Distance from the center to point Q

R = √((1-(-1))² + (6-(2))²)

R = √((2)² + (4)²)

R = √(4+ 16)

R = √20

Equation

(x-h)²+(y-k)²= R²

(x-(-1))²+(y-2)²= (√20)²

(x+1)²+(y-2)²= 20

8 0
2 years ago
PLEASE HELP !!!!!<br>Solve.<br>y +30 &lt; 15<br><br>​
Troyanec [42]

Hello there! y < -15

To solve, isolate y. To do this, subtract 30 from both sides of the equation.

y + 30-30 < 15-30

y < -15

This is your final answer. The statement is saying that y must be less than -15 when you add 30 to it for your final answer to be less than 15.

I hope this was helpful and have a great rest of your day! :)

5 0
3 years ago
Read 2 more answers
Please help me will give you brainliest
Bezzdna [24]

Answer:

x=150 degrees

Step-by-step explanation:

You know that the sum of the angles in a triangle is 180 degrees, so to find the missing angle in the triangle, subtract 180 from the sum of the other 2 angles: 180-(52+98)=180-150= 30 degrees.

You also know that the sum of supplementary angles is 180, and there are 2 supplementary angles. since we just found one of the angles, all we need to do is subtract 30 degrees from 180 degrees: 180-30= 150 degrees. (x is 150 degrees)

8 0
3 years ago
Read 2 more answers
A tree grew 92 4/5 feet in 19 1/3 years. What was the average yearly growth rate of the tree
White raven [17]
Exact Form:
26912/15
Decimal Form:
1794.13
Mixed Number Form:
1794 2/15
7 0
3 years ago
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