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3 years ago

Can I plz get help on all of this plz I need it due tomorrow

Mathematics

2 answers:

Alisiya [41]3 years ago

4 0

1.4
2.-4
3.-12
4.8
5.-8
6.-5
7.-76
8.-67
9.-28
10.-32
11.22
12.13
14.0
15.-9

Readme [11.4K]3 years ago

3 0

1) 4

2) -4

3) -12

4) 8

5) -8

6) -5

7) 76

8) -67

9) -29

10) -32

11) 22

12) 14

13) -38

14) 0

15) -9

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3 years ago

Evaluate 4 times a number q plus 25 when q = 2

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3 years ago

The diameter of a circle has length 12. The center is at*(-5, 2). Give the equation

labwork [276]

Answer:

Equation of the circle is : $x^{2} + 10x + y^{2} -4y -7 =0$

Step-by-step explanation:

Let us consider the image attached in the answer area.

The center O has the co-ordinates i.e. (-5,2) and the diameter given is 12 units.

We know that radius is half of diameter.

$\text{Radius = }\dfrac{\text{Diameter}}{2}$

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The equation for circle given the center and radius, can be represented as:

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

Where (a,b) is the co-ordinate of center and r is the radius.

Let us consider the following formula:

$(p+q)^2 = p^{2}+ q^{2} +2pq\\(p-q)^2 = p^{2}+ q^{2} -2pq$

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3 years ago

Which graph represents the inequality x ≤ –2 or x ≥ 0?

Vikki [24]

For this case we have the following expressions:

$x \leq-2\\x \geq0$

So:

$x \leq-2$ Indicates all values less than or equal to -2.

That is, from -∞ to -2.

$x \geq0$ Indicates all values greater than or equal to 0.

That is, from 0 to ∞.

The "or" means that they do not intersect. So, the correct graph is option A.

Answer:

Option A

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3 years ago

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