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allsm [11]
3 years ago
9

On a book shelf you choose the 11th book from the left and the 10th book from the right.  How many books are on the shelf?

Mathematics
1 answer:
natita [175]3 years ago
6 0
If you're talking about the books in between, it will/be 20 books
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Sketch the graph of y = negative 2 x squared + x + 1 using your graphing calculator. What are the x-intercepts of this graph? a.
lions [1.4K]

The x-intercept is (1, 0) and (-0.5, 0).

The correct option is (a)

<h3>What is intercept?</h3>

The x-intercept is the point where a line crosses the x-axis, and the y-intercept is the point where a line crosses the y-axis.

Given function is:

f(x)= -2x^{2}+x+1

So, The graph of this equation is attaches below.

The x- intercepts of this graph

\mathrm{X\:Intercepts}:\:\left(-\frac{1}{2},\:0\right),\:\left(1,\:0\right)

or

X intercepts: (1, 0) and (-0.5, 0)

Hence, the x-intercept is (1, 0) and (-0.5, 0).

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4 0
2 years ago
I WILL GIVE BRAINLIEST!!! PLZ HELP ASAP!!!
Fed [463]

Answer:

C

Step-by-step explanation:

Calculate the distance using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = E(- 2, 2) and (x₂, y₂ ) = F(4, - 6)

EF = \sqrt{(4+2)^2+(-6-2)^2}

    = \sqrt{6^2+(-8)^2}

    = \sqrt{36+64}

    = \sqrt{100} = 10 → C

7 0
3 years ago
Read 2 more answers
What number goes in the box in the followng sequence 5 11 23 ? 95 191​
Alina [70]

Answer:

47

Step-by-step explanation:

The number that should go after 23 is 47.

The pattern seems to be (n * 2) + 1, where n is the value of the previous number.

We start with the number 5:

5

(5 * 2) + 1  = 11

11

(11 * 2) + 1 = 23

23

(23 * 2) + 1 = 47

47

... and so on

The pattern should continue as follows.

Hope this helps!

3 0
3 years ago
D= 3sin(8 pi t) - 2 --- &gt; represents motion
NARA [144]
Hello :
<span>D= 3sin(8 pi t) - 2 
 t=0 : D =3sin(0) - 2 = 0-2 = - 2 
</span><span>objects position at t= 0 is : (0 , -2)</span>
4 0
3 years ago
Write the equation of a circle with a center at (1,-9) and a radius of 12
Andre45 [30]

The equation of the circle is (x - 1)^2 +(y + 9)^2 = 144

<h3>How to determine the circle equation?</h3>

The given parameters are:

Center, (a,b) = (1, -9)

Radius, r = 12

The circle equation is calculated as:

(x - a)^2 + (y- b)^2 = r^2

This gives

(x - 1)^2 +(y + 9)^2 = 12^2

Evaluate the exponent

(x - 1)^2 +(y + 9)^2 = 144

Hence, the equation of the circle is (x - 1)^2 +(y + 9)^2 = 144

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8 0
2 years ago
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