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Olin [163]
3 years ago
10

A.) Give a RATIONAL number between 10 and 11

Mathematics
1 answer:
Klio2033 [76]3 years ago
6 0

Answer:

A=10.5 B=10 1/3

Step-by-step explanation:

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Smallest to largest 7/12 1/2 2/3 4/10 1/6
hodyreva [135]
The order is 1/6, 4/19, 1/2, 7/12, 7/12, and 2/3.
5 0
3 years ago
a railroad track rises 30feet for every 400 feet of track. what is the measure of the angle of elevation of the track?
tensa zangetsu [6.8K]
It will be 0.075 the tracks
4 0
3 years ago
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Someone help please
ratelena [41]

Answer:

77

Step-by-step explanation:

HAV A GREAT DAY hope this helps

4 0
3 years ago
If x+a is a factor of 2x²+2ax+5x+10,find a.
vazorg [7]

If x+a is a factor of the polynomial, it means that -a is a root of the polynomial.

In fact, if a polynomial p(x) has a root x_0 (i.e. p(x_0)=0), then the polynomial is divisible by (x-x_0)

In your case, you know that the polynomial is divisible by (x+a)=(x-(-a)), so -a is a solution.

Let's evaluate p(-a) and set it to zero:

2(-a)^2+2a(-a)+5(-a)+10 = 0 \iff 2a^2-2a^2-5a+10=0 \iff -5a+10 = 0 \iff a = 2

We can check the answer: if a=2 the polynomial becomes

2x^2+2(2)x+5x+10 = 2x^2+9x+10

And we're claiming that -a=-2 is a root of this polynomial:

2(-2)^2+9(-2)+10 = 2\cdot 4 - 18 + 10 = 0

5 0
3 years ago
If P is a point of symmetry, click on the graphic to find the figure that is symmetrical by P.
aleksklad [387]

Answer:

The third figure is the answer (Look to the attached figure

Step-by-step explanation:

* The point of symmetry means

- If a figure or graph can be rotated 180° about a point P

 and end up looking identical to the original, then P is a point

 of symmetry

- The same distance from the central point

  but in the opposite direction.

* Lets look to the four answers

- In the 3rd figure first line up can be rotated 180° about a point P

 and end up looking identical to the second line down, then P

 is a point of symmetry

- The same distance from the point  p

  but in the opposite direction.

* The figure show the answer

8 0
3 years ago
Read 2 more answers
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