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serious [3.7K]
2 years ago
13

Select the correct answer. What is the solution to the equation? *image below*

Mathematics
1 answer:
ahrayia [7]2 years ago
8 0

Answer:

x = 10

Step-by-step explanation:

Isolate the radical, then raise each side of the equation to the power of its index.

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Which expressions are polynomials? select each correct answer
Zielflug [23.3K]
Note:
A polynomial of order n is of the form
f(x)=a_{n}x^{n}+a_{n-1}x^{n-1} + \, ..., \, +a_{1}x+a_{0}
where the a's are constants.

Consider the given expressions.
x/5 + 2                  Not a polynomial
35x²                      It is a polynomial of order 2
7x⁷ - x⁵                  It is a polynomial of order 7
4x + √(x-1)             It is not a polynomial

Answer:
The polynomials are
35x²
7x⁷ - x⁵

8 0
3 years ago
As part of a physics experiment, Ming drops a baseball from the top of a 315-foot building. To the nearest tenth of a second, fo
artcher [175]

Answer:  4.4 seconds

<u>Step-by-step explanation:</u>

h(t) = -16t² + 315

Since we want to find the total time the baseball is in the air, we need to find the time (t) when the ball lands on the ground --> h(t) = 0

  0  = -16t² + 315

-315 = -16t²

\dfrac{315}{16}=t^2\\\\\\\sqrt{\dfrac{315}{16}}=t\\\\\\\dfrac{\sqrt{315}}{4}=t\\\\\\\large\boxed{4.4=t}

6 0
3 years ago
Read 2 more answers
What is the length of the line segment with endpoints (7,-1) and (-3,5)?
Galina-37 [17]

Formula to find the length of two endpoints: \sqrt{(x^2-x^1)^2+(y^2-y^1)^2}

Now, solve with the given endpoints.

\sqrt{(x^2-x^1)^2+(y^2-y^1)^2} \\\sqrt{(-3-7)^2+(5-(-1))^2} \\\sqrt{(-10)^2 + (6)^2} \\ \sqrt{100+36}\\\sqrt{136}

_______

Now, simplify using what we know about radicals.

Solution in picture.

_______

The length between the endpoints is 2√34 (Option B)

_______

Best Regards,

Wolfyy :)

8 0
3 years ago
Whats 5x5<br><br><br><br> free coins
Westkost [7]

Answer:

the answer to that is 25

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the y-intercept of the line with the equation 3x + 4y = 12?
beks73 [17]
The y-intercept is 3.hope this helps

3 0
3 years ago
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