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3 years ago

What is the slope of a trend line that passes through the points (–3, 3) and (18, 26)?

Mathematics

2 answers:

ipn [44]3 years ago

7 0

Answer:

slope = $\frac{23}{21}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 3, 3) and (x₂, y₂ ) = (18, 26)

m = $\frac{26-3}{18+3}$ = $\frac{23}{21}$

PtichkaEL [24]3 years ago

6 0

Answer:

23/21

Step-by-step explanation:

I took the test

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Last year sandro bought a book for $13.89. this year the same book cost $15.79. what is the percent of change

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2/3x + 1/4 = 46/6x - 1/3

labwork [276]

Answer:

x = 1/12

Step-by-step explanation:

2/3x + 1/4 = (8x+3) /12 (create equivalent fractions with a denominator of 12)

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12 3

now cross-multiply:

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3 years ago

Kate is arranging new furniture in her rectangular sitting room. She has mapped the arrangement on a coordinate pane. A,B and C

stepan [7]

Answer:

11 units

Step-by-step explanation:

Given : She has mapped the arrangement on a coordinate pane. A,B and C represent the sofas, V1 and V2 are decorative vases and AQ the aquarium

To Find: The distance between V1 and the aquarium.

Solution:

Referring the given image

We can have the coordinates of V1 and AQ

Coordinates of V1 : $(x_{1}, y_{1}) =(-6,5)$

Coordinates of AQ : $(x_{2}, y_{2}) =(5,5)$

Now To find distance use distance formula

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

$d=\sqrt{(5-[-6])^{2} + (5-5)^{2}}$

$d=\sqrt{11)^{2} + (0)^{2}}$

$d=\sqrt{11)^{2}}$

$d=\sqrt{121}$

$d=11$

Hence The distance between V1 and the aquarium is 11 units

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3 years ago

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