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Leviafan [203]
3 years ago
5

HELP I have this on my page for 100 points but no one is looking at it help pls

Mathematics
1 answer:
Vikentia [17]3 years ago
6 0

3 + 4x > -5 = x > -2

First, subtract 3 from both sides of the equation.

3 - 3 + 4x > -5 - 3

= 4x > -8

Now, divide 4 from both sides of the equation.

= x > -2

5(2 - b) > -3(b - 3) = b < 1/2

First multiply the coefficient by the numbers/variables in the parentheses.

10 - 5b > -3b + 9

Now, add 3b to both sides and subtract 10 from both sides of the equation.

-2b > -1

Now divide -1 by -2, but in an inequality, when you divide by a negative number, the sign gets flipped. So, > will turn into <.

b < 1/2

-1.5a + 8 ≥ 17 = a ≤ 6

First, subtract 8 from both sides of the equation.

-1.5a ≥ 9

Now divide 9 by -1.5, but, again, because the number is negative, the sign gets flipped.

a ≤ 6

5w/3 ≥ 6w/4 + 11/2 = w ≥ 22

First, you need to find a common denominator or LCD. In this case, the LCD is 12. So multiply all the fractions by 12 and eliminate factors of 12.

12(5w/3) ≥ 12(6w/4) + 12(11/2)

4(5w) ≥ 3(6w) + 6(11)

20w ≥ 18w + 66

2w ≥ 66

w ≥ 22

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Please help with the questions in the image
iren2701 [21]

Step-by-step explanation:

This seems to be calculus 1.

<u>Question a</u>

We have -2x^3 + 5x^2 + 9

m = slope = derivative

Find the derivative / slope of -2x^3 + 5x^2 + 9

We do this by differentiating the polynomials. There are a few methods to do this but I am going to use the power rule, which we multiply the constant by the exponent on the variable and subtract one from the exponent.

\frac{d}{dx}(-2x^3 + 5x^2 + 9)

-6x^2 + 10x

m = -6x^2 + 10x when x = a

<em>Now that we have this information, we can answer question b</em>

<u>Question b</u>

<u>The tangent line for Point (1, 12)</u>

First find the slope by using our derivative.

m = -6x^2 + 10x

m = -6(1)^2 + 10(1)

m = -6 + 10x

m = 4

Now that we have our slope, use point slope form to find our tangent line

y - 12 = 4(x - 1)

y(x) = 4x + 8


<u>Now lets do the same for the Point (2, 13)</u>

Find the slope at the point.

m = -6x^2 + 10x

m = -6(2)^2 + 10(2)

m = -24 + 10

m = -4

Now find the tangent line using point slope form of a line.

y(x) - 13 = -4(x - 2)

y(x) = -4x + 21


Now graph the lines, which I have done and you can see by viewing the image I have attached.


6 0
3 years ago
The length of the
Trava [24]
I would estimate around 6 because say it was 6.5 and 3 then it would around the square root of like 31 and that is rounding down a lot so we would bump it up to somewhenre around 35 so the side would be around 5.8-6
4 0
3 years ago
Answer with explanation please! tysvm!
Aleksandr-060686 [28]

Answer:

c

Step-by-step explanation:

6 X 2 = 12 +5 = 17

6 0
3 years ago
10 pounds of onions cost $100 how many pounds of onions can get with $150
erma4kov [3.2K]

Answer:

15

Step-by-step explanation:

$100 / 10 pounds = $10 / pound

$150 / 10 dollars  = 15 pounds of onions

4 0
3 years ago
Read 2 more answers
Help please answer these question
yawa3891 [41]

Answer:

#3. d = -10.25

Step-by-step explanation:

#3. d = -6.5 + -3.75

8 0
3 years ago
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