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eduard
2 years ago
14

Find the coordinates of the points of intersection of the graphs with coordinate axes:

Mathematics
1 answer:
ioda2 years ago
5 0

Answer:

x - intercept = (4,0)

y - intercept = (0,-6)

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3 geometry questions, 30 points!
polet [3.4K]

Answer:

A ) The value of x for  the given circle with chords and center is 8.3

B) The circumference of circle with chords 1.2 cm and 0.5 cm is 4.082

Step-by-step explanation:

Given two figures :

<u>For Figure first  </u>

A circle with center y ,  having two chords FM and NM

FM = 5 x

MN = 2 x + 25

Now from theorem of circle ,

Chords equidistant from center of circle are equal in length

I.e distance of chord MN from center y  and distance of FM from center y are equal

So, FM = MN

Or, 5 x = 2 x + 25

Or, 5 x - 2 x = 25

Or, 3 x = 25

∴       x = \frac{25}{3} = 8.33

<u>For figure second</u>

The length of two adjacent chords of circle is 1.2 cm and 0.5 cm

Let the center of circle = O

Length of chord AB = 1.2 cm

Length of chord BC = 0.5 cm

As both chords are at 90° to each other

So The Length of diameter of circle AC = \sqrt{AB^{2}+BC^{2}}

Or, The Length of diameter of circle AC = \sqrt{1.2^{2}+0.5^{2}}

Or, The Length of diameter of circle AC = \sqrt{1.44+0.25}}

Or, The Length of diameter of circle AC = \sqrt{1.69}

∴ The Length of diameter of circle AC = 1.3 cm

So, Circumference of circle = \pi d

Or, Circumference of circle = 3.14 × 1.3

∴ Circumference of circle = 4.082 cm

Hence,

A ) The value of x for  the given circle with chords and center is 8.3

B) The circumference of circle with chords 1.2 cm and 0.5 cm is 4.082 Answer

8 0
2 years ago
Read 2 more answers
What is the slope of the line represented by the equation f(t)=2t-6
TEA [102]

Answer:

The slope would be 2

Step-by-step explanation:

Your slope-intercept form is always y=mx + b

The <em>b </em>is always your <em>constant</em>

The <em>mx </em>is your <em>slope</em>

The<em> y </em>is your<em> output</em>

4 0
3 years ago
Read 2 more answers
Which of the following numbers would be in the solution set to this inequality? Mark all that apply. -2x + 16 ≤ 10
kenny6666 [7]
-2x + 16 < = 10
-2x < = 10 - 16
-2x < = - 6
x > = -6/-2
x > = 3............so any number that is 3 or above is in the solution set
4 0
3 years ago
Could someone explain to me how to solve these questions?
Nina [5.8K]

Answer:

you combine the numbers that are the same and see the signs if it's positive with the negative, it's going to be negative

3 0
2 years ago
Match the range of the function f(x) = x2 + 2x − 1 to its domain.
umka21 [38]

Answer: (2,7) (-2,-9) (3,11) (-3,-13)

Step-by-step explanation:

(2)(2)+(2)(2)-1 = 7

(2) (-2)+(2)(-2)-1 = -9

(3)(2)+(2)(3)-1 = 11

(-3)(2)+(2)(-3)-1 = -13

5 0
3 years ago
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