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Olin [163]
3 years ago
7

A girls hair is 12 3/8 inches long if she had 2 1/2 inches cut off how long will her hair be ?

Mathematics
1 answer:
Darya [45]3 years ago
5 0

Answer: 9 and 7eights

Step-by-step explanation: Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction. Which would equal, 9 and 7eights.

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Let a graph have vertices {L, M, N, O, P, Q, R, S} and edge set {{L,R}, {M,P}, {M,Q}, {N,Q}, {P,R}, {Q,S}, {R,S}} .
Verdich [7]

Answer:

a) The degree of vertex P is 2.

b) The degree of vertex O is 0.

c) The graph has 2 components.

Step-by-step explanation:

a) The edges that have P as a vertice are {M,P} and {P,R}.

b) There is no edge with extreme point O.

c) One of the components is the one with the only vertex as O and has no edges. The other component is the one with the rest of the vertices and all the edges described.

The file has a realization of the graph.

3 0
3 years ago
Ifp * (x) = 3x ^ 2 - 4 and r(x) = 2x ^ 2 - 5x + 1 . find value r(x + 2)
valina [46]

Answer:

<h2>          r(x+2) = 2x² + 3x - 1</h2>

Step-by-step explanation:

r(x) = 2x ^ 2 - 5x +1\\\\ r(x+2) = 2(x+2)^ 2 - 5(x+2) +1\\\\ r(x+2) = 2(x^2+4x+4) - 5x-10+1\\\\ r(x+2) = 2x^2+8x+8 - 5x-9\\\\ r(x+2) = 2x^2+3x-1

7 0
3 years ago
Which of the following is the equation for the graph shown?
masha68 [24]

The equation of the circle shown is:

x^2 + y^2 = 100

<h3>What is the equation of a circle?</h3>

The equation of a circle of center (x_0, y_0) and radius r is given by:

(x - x_0)^2 + (y - y_0)^2 = r^2

From the graph, it can be seen that the center of the circle is (0,0), thus (x_0, y_0) = (0,0) and the radius is of r = 10, hence the equation is:

x^2 + y^2 = 100

You can learn more about the equation of a circle at brainly.com/question/24307696

8 0
2 years ago
Help please I really need help<br> :)
Firdavs [7]

Answer:

Solution given:

For 1st

x²=71

For x=±\sqrt{71}

and

For 2nd

x³=71

For x=±\sqrt[3]{71}

So answer is:

In first row

<u>Solution to x²=71</u>

In second row

<u>Solution to </u><u>x³</u><u>=71</u>

In third row

<u>neither</u>

In forth row

<u>Solution to x³=71</u>

6 0
3 years ago
What is 2x² - 3y/2y²-3y where x is -4 and y is - 6​
marysya [2.9K]
The answer is 34, just plug the numbers in
3 0
3 years ago
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