3 years ago

Multiply (6-4i)(3+5i)

Mathematics

1 answer:

pychu [463]3 years ago

7 0

Answer:

16i because it just is and that's all I gotta say

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kay goes for several bike rides during the week. if her speed is 10.75 miles per hour and she takes 1.9 hours. how many miles di

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Speed is v=10.75 m/h
time is t=1.9 h

distance is S=vt=10.75 m/h * 1.9 h = 20.425 miles

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3 years ago

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Find the scale factor used to go from the actual picture to the scale drawing!

crimeas [40]

Answer:

1/3

Step-by-step explanation:

9:6

3:2

9/3 = 3

6/2 = 3

9 x (1/3) = 3

6 x (1/3) = 2

scale factor is 1/3

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3 years ago

A train travels 200 miles in 4 hours at a constant rate. What is the constant rate of change for the train in miles per hour? A.

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Step-by-step explanation:

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4 years ago

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Point \blue{A}Astart color blue, A, end color blue is at \blue{(-4, 8)}(−4,8)start color blue, left parenthesis, minus, 4, comma

ASHA 777 [7]

Answer:

The coordinates of point B are (6,7).

Step-by-step explanation:

Given points are

Blue = A(-4,8)

Purple = M(1,7.5)

Green = B

It is given that point M is the midpoint of point A and B.

Let coordinates of points are (a,b).

Midpoint of two points is

$Midpoint=(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2})$

$M=(\dfrac{-4+a}{2},\dfrac{8+b}{2})$

Coordinates of midpoint are (1,7.5).

$(1,7.5)=(\dfrac{-4+a}{2},\dfrac{8+b}{2})$

On comparing both sides we get

$1=\dfrac{-4+a}{2}\Rightarrow 2=-4+a\Rightarrow a=6$

$7.5=\dfrac{8+b}{2}\Rightarrow 15=8+b\Rightarrow b=7$

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3 years ago

Which situation involves descriptive statistics?

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Descriptive statistics give short descriptions of the sample and the measure of the data provided.
Based on this B would be descriptive because it explains the the price of homes is up from last year

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