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2 years ago

Which one doesn’t belong? Why? Explain. please help me

Mathematics

2 answers:

sertanlavr [38]2 years ago

6 0

Answer:

I think the answer is y = -2x + 4 because that is the only one that has a negative slope. The other choices all have positive slopes.

My name is Ann [436]2 years ago

5 0

Hi! So, the one that doesn't belong is a) y = 4x.

I think that this doesn't belong because every other option has a number after the variable (I forget the exact term for it but it's like +7, +4, and -1 for the rest of the options)

Please let me know how I can further help you :)

(

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Determine the type(s) of the triangle with the given coordinates. X(6,1) Y(-2,-3) Z(0,3)

jeyben [28]

The triangle with the given coordinates X(6,1) Y(-2,-3) Z(0,3) is an isosceles triangle.

The given coordinates are X(6,1) Y(-2,-3) Z(0,3).

<h3>What are coordinates?</h3>

A coordinate system is a system in geometry that employs one or more integers, or coordinates, to define the position of points or other geometric components on a manifold, such as Euclidean space, in a unique way.

We know that, Distance formula $=\sqrt{(x_{2}-x_{1} )^{2}+(y_{2}-y_{1} )^{2} }$

Now, $XY=\sqrt{(-2-6)^{2}+(-3-1)^{2} }=\sqrt{80}$ units

$YZ=\sqrt{(0+2)^{2}+(3+3)^{2} }=\sqrt{40}$ units

$XZ=\sqrt{(0-6)^{2}+(3-1)^{2} }=\sqrt{40}$ units

Here, $YZ=XZ$

Hence, the triangle with the given coordinates X(6,1) Y(-2,-3) Z(0,3) is an isosceles triangle.

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3 0

11 months ago

If ANQZ - ACBK, find BK. *<br><br>O BK = 39<br>O BK = 16<br>O BK = 65<br>O BK = 27<br>

patriot [66]

9514 1404 393

Answer:

Step-by-step explanation:

Corresponding sides are proportional in similar triangles, so ...

ZT/ZQ = KF/KB

27/(2x +7) = 45/(4x+1)

27(4x+1) = 45(2x +7) . . . cross-multiply

3(4x +1) = 5(2x +7) . . . . divide by 9

12x +3 = 10x +35 . . . . . eliminate parentheses

2x = 32 . . . . . . . . . . . . . subtract 10x+3

x = 16 . . . . . divide by 2

Then the length of BK is ...

BK = 4x+1 = 4·16 +1

BK = 65

5 0

1 year ago

Findthe

Elanso [62]

Answer:

y- intercept = - 6

Step-by-step explanation:

The y- intercept is where the graph crosses the y- axis.

Let x = 0 and substitute in to the equation, that is

y = 0² - 3(0) - 6 = 0 - 0 - 6 = - 6 ← y- intercept

5 0

2 years ago

The minute hand of a clock is 6 inches long. How far does the tip of the minute hand move in 25 minutes?

STatiana [176]

Answer: 5π inches

Full circumference: 2πr = 2π6 = 12π inches

60 minutes in a full circle

25 minutes: $\frac{25}{60}$ *12π = 5π

3 0

2 years ago

46= -6x-8 please help me school right now is the worst

salantis [7]

Answer:

- 9

Step-by-step explanation:

Step 1:

46 = - 6x - 8

Step 2:

46 + 8 = - 6x

Step 3:

54 = - 6x

Step 4:

6x = - 54

Answer:

x = - 9

Hope This Helps :)

5 0

2 years ago