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svetlana [45]
3 years ago
14

How to find the real number solution of the equation x3+27x=9x2+27?

Mathematics
1 answer:
Alina [70]3 years ago
3 0
Well think the answer is x = 14/9 but I don't think there is a full number for this equation.
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Please help me asap!!!!!
Alika [10]

Answer:

392

Step-by-step explanation:

1.49×10⁸/3.8×10⁵ = 392

8 0
2 years ago
a line that includes the point (3,4) has a slope of 2. what is the equation in the slope-intercept form?
Andreas93 [3]

Answer:

y=2x-2

Step-by-step explanation:

<em>the slope is y/x</em>

the slope is 2 or 2/1

<em>subtract 2 from the y value and 1 from the x value</em>

(3-1,4-2) = (2,2)

<em>keep doing this until you get a 0 in the x value</em>

(2-1,2-2) = (1,0)

<em>1 is your x-intercept</em>

(1-1,0-2) = (0,-2)

-2 is your y intercept.

So now you know your y-intercept and your slope so you can now write your equation.

<em>y=mx+b</em>

<em>m=slope, b=y-intercept</em>

m=2, b=-2

<em>substitute into the equation</em>

y=2x-2

8 0
3 years ago
Is 4/5 and 7/8 equivalent
denis-greek [22]
No they are not equivalent
5 0
2 years ago
Read 2 more answers
Can someone do my math homework for me? i will give you the information you need. My head hurts constantly and i get too distrac
Lera25 [3.4K]

Answer:

I'll do your Home work Just post the questions

3 0
3 years ago
Read 2 more answers
The captain of a boat knows that a lighthouse on the coast is 100 ft. tall. If he measures the angle of elevation to be 2 degree
faltersainse [42]

Answer and Step-by-step explanation:

           | \

           |   \

           |      \

           |         \

           |            \

100 ft.  |              \

           |         2     \

           |_________\

                    x

Use tangent to find the x.

tan(2) = \frac{100}{x}

x = \frac{100}{tan(2)}

Use a calculator to evaluate.

x = \frac{100}{tan(2)} = 2863.6253

So, the boat is 2,863.63 feet from the shore.

#teamtrees #WAP (Water And Plant)

6 0
3 years ago
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