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cestrela7 [59]
2 years ago
14

Find the distance between the points (-4,-1) and (4,1). Round to 2 decimals places

Mathematics
2 answers:
expeople1 [14]2 years ago
3 0

Answer:

length between is <u>8</u><u>.</u><u>5</u><u>4</u><u> </u><u>units</u>

Step-by-step explanation:

Formular:

{ \bf{ =  \sqrt{ {(x_{1} - x_{2}) }^{2}  +  {(y_{1}  - y_{2}) }^{2} } }}

x1 is -4

x2 is 4

y1 is 4

y2 is 1

=  \sqrt{  {( - 4 - 4)}^{2} +  {(4 - 1)}^{2}  }  \\  =  \sqrt{64 + 9}  \\  =  \sqrt{73}  \\  = 8.54 \: units

zepelin [54]2 years ago
3 0

Answer:

Distance = 8.25 units

Step-by-step explanation:

use the formula :

√ (x2 _ x1) + (y2 - y1)

where ,

x2 = 4

x1 = -4

y2 = 1

y1 = -1

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Select all the statements that are true for the graph shown.
Yuki888 [10]

Answer:

The relationship is proportional.

The relationship is linear.

The equation of the line is y = –3x.

Step-by-step explanation:

The line in the question passes through origin and (4,-12).

The rate of change of the line is

m=\dfrac{-12-0}{4-0}\\\Rightarrow m=\dfrac{-12}{4}\\\Rightarrow m=-3

The rate of change of the line or slope of the line is -3

Equation of the line is given by

(y-0)=-3(x-0)\\\Rightarrow y=-3x

This means that the relationship is linear.

If we take any value of x then there will be only one value of y this means that the relationship is proportional.

So the following statements are true

The relationship is proportional.

The relationship is linear.

The equation of the line is y = –3x.

3 0
2 years ago
Read 2 more answers
the front of a tent is an equilateral triangle with the ratio of its base b toits height h given by b/h+2/3 rewrite the equation
kap26 [50]

Answer:

h = b(√3)/2

Step-by-step explanation:

The ratio of base to height of an equilateral triangle is ...

... b/h = 2/√3

Multiplying both sides of the equation by (√3)h/2, we get

.. h = b(√3)/2 . . . . . . your equation with h as the subject

8 0
3 years ago
Lynn goes to the supermarket and purchases 6 boxes of cookies for $11.04. Each box contains 8 cookies. What is the price per coo
aksik [14]

Answer:

Step-by-step explanation:

6 x 8 = 48

11,04 x 6 = 66,24

66,24/48 = 1,38$

8 0
3 years ago
What is the measure of ZB?​
brilliants [131]

Answer:

∠ B = 116°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , that is

∠ B + 28° + 36° = 180°

∠ B + 64° = 180° ( subtract 64° from both sides )

∠ B = 116°

5 0
2 years ago
Read 2 more answers
A television costs $350 before sales tax is applied. The final cost of the television was $378.
lana [24]
To get the answer we can use proportion. We know that 350 its 100% and 378 its 100% + taxes.
350% ------------ 100
378% ------------ x
cross multiply now
350*x=378*100
350x=37800      /:350
x=108 
Now we see that taxes its 8%, because final price its 100% + taxes = 108%

7 0
3 years ago
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